The Infiniti QX70, formerly called the Infiniti FX until 2013, is a
mid-size luxury crossover SUV
A crossover, crossover SUV, or crossover utility vehicle (CUV) is a type of automobile with an increased ride height that is built on unibody chassis construction shared with passenger cars, as opposed to traditional sport utility vehicles (S ...
produced by the Nissan-owned
Infiniti
is the luxury vehicle division of the Japanese automaker Nissan. Infiniti officially started selling vehicles on November 8, 1989, in North America. The marketing network for Infiniti-branded vehicles included dealers in over 50 countries in ...
luxury vehicle brand between 2002 and 2017. The FX replaced the
QX4
The Infiniti QX80 (formerly called the Infiniti QX56 until 2013) is a full-size luxury SUV marketed by Nissan's luxury division Infiniti. The first-generation QX56 was built in the United States, and is based on the first-generation Armada. The ...
as Infiniti's mid-size SUV. It shares the same
FM platform as the
rear-wheel drive
Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars.
Most rear-wheel ...
Nissan 370Z
The Nissan 370Z (known as the Fairlady Z Z34 in Japan) is a 2-door, 2-seater sports car (S-segment in Europe) manufactured by Nissan Motor Company. It was announced on October 29, 2006, and was first shown at an event in Los Angeles ahead of th ...
, and it "made no claims of climbing mountains." Rather, its aggressive shape promised style and quick handling. The similarly sized
Nissan Murano
The is a mid-size crossover SUV manufactured and marketed by Nissan since May 2002 for the 2003 model year, and currently in its third generation.
As Nissan's first crossover SUV for the United States and Canada, the Murano was designed at Nissan ...
is based on the same
D platform as the
front-wheel drive
Front-wheel drive (FWD) is a form of engine and transmission layout used in motor vehicles, where the engine drives the front wheels only. Most modern front-wheel drive vehicles feature a transverse engine, rather than the conventional longit ...
Nissan Altima
The Nissan Altima is a mid-size car that has been manufactured by Nissan since 1992. It is a continuation of the Nissan Bluebird line, which began in 1955.
The Altima has historically been larger, more powerful, and more luxurious than the Nissa ...
. The FX does not have a Nissan-branded equivalent and is not sold in Japan.
The FX introduced its second generation for the 2009 model year as the FX35 and FX50.
First generation (S50; 2003)
The nameplates FX35 and FX45 refer to the two available engines. The FX35 is available in two drivetrains, the RWD and the AWD, which are both fitted to a
dual overhead cam
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...
3.5-liter 24-valve V6
VQ35DE gasoline engine, with aluminum-alloy block and heads, electronically controlled throttle system, and low-friction molybdenum-coated pistons that makes use of the
continuous variable valve timing
Continuity or continuous may refer to:
Mathematics
* Continuity (mathematics), the opposing concept to discreteness; common examples include
** Continuous probability distribution or random variable in probability and statistics
** Continuous g ...
which in part optimizes the opening of intake valves. This is also coupled with an electronically controlled super-wide ratio five-speed
automatic with a manumatic shift mode that includes the option of sequentially selected manual gearshifts and downshift rev-matching.
![Fx45 rear](https://upload.wikimedia.org/wikipedia/commons/0/03/Fx45_rear.jpg)
The AWD FX45 incorporates a 32-valve
V8 DOHC
VK45DE gasoline engine with four valves per cylinder, microfinished camshafts with aluminum-alloy block and heads, low-friction
molybdenum
Molybdenum is a chemical element with the symbol Mo and atomic number 42 which is located in period 5 and group 6. The name is from Neo-Latin ''molybdaenum'', which is based on Ancient Greek ', meaning lead, since its ores were confused with lea ...
-coated pistons, titanium intake and exhaust valves, modular cylinder heads, microfinished crankshaft, lightweight pistons, super-silent single stage cam drive chain, and a Continuously Variable Valve Timing Control System that optimizes opening of intake valves. Development began in 1999 under newly appointed CEO Carlos Ghosn's NRP. Design work was completed in rapid succession in 2000, for late 2002 production. Designed prior to that, earlier on in 2000 under the "Bionic Cheetah" theme, the 2001 Infiniti FX45 Concept was introduced at the
NAIAS
The North American International Auto Show (NAIAS), also known as the Detroit Auto Show as of 2022 and prior to NAIAS, is an annual auto show held in Detroit, Michigan, U.S., at Huntington Place. The show was held in January from 1989 to 2019. ...
in January 2001. From mid-2001, a new concept based on the production design was developed and completed in late 2001. Sketches were first released in late November 2001. The second-generation 2002 FX45 Concept was introduced in January 2002 at the NAIAS '02 as a thinly-veiled production FX (S50) and planned production was announced for early 2003. In January 2003, the 2003 FX45 made its debut at the 2003 NAIAS and went on sale January 24, 2003.
In 2003 for the 2004 model, changes were the addition of a standard eight-way power front passenger seat that replaced the previous four-way design, the availability of aluminum roof rails and chrome-plated 20-inch wheels. Also new were a dark silver metallic finish for the 20-inch wheels (non-chrome-plated), the addition of a standard HVAC filter for all models and the addition of a new Snow-Mode function.
In September 2004 for the 2005 model year, the FX range received enhancements such as a lane departure warning (LDW) system that helps alert drivers to an unintended movement of the vehicle out of a designated traffic lane. Infiniti's system monitored the lane markings to alert passengers via an audible buzzer that the driver is drifting unintentionally. The LDW system, which utilizes a small camera, speed sensor, an indicator, and an audible warning buzzer, was offered on models. The 2005 Infiniti FX was the first passenger vehicle to offer a
lane departure warning system
In road-transport terminology, a lane departure warning system (LDWS) is a mechanism designed to warn the driver when the vehicle begins to move out of its lane (unless a turn signal is on in that direction) on freeways and arterial roads. These ...
in the United States market.
In addition to LDW, the 2005 Infiniti FX range was now equipped with standard roof-mounted curtain supplemental curtain airbags with rollover protection for front and rear outboard seat occupants.
Other changes included the addition of a dark chrome grille, headlight, and clear taillight accents to the FX45 (also available as part of the V6 Sport Package on FX35 models), a new key fob design for the Infiniti Intelligent Key system, and two new exterior colors, Sapphire and Sheer Platinum. Interior changes included a new standard etched aluminum trim.
Total 2007 sales of the FX45 were 1,598 units, about a tenth of the FX35s.
2006 facelift
![06-Infiniti-FX](https://upload.wikimedia.org/wikipedia/commons/5/57/06-Infiniti-FX.jpg)
The FX series was updated for the 2006 model year with new options and standard features. The updates included an exterior facelift with a new grille, bumper, wheel design, and three new exterior colors, and inside a revised center console with a new color screen. Many features previously optional were made standard, including the 300-watt
Bose
Bose may refer to:
* Bose (crater), a lunar crater
* ''Bose'' (film), a 2004 Indian Tamil film starring Srikanth and Sneha
* Bose (surname), a surname (and list of people with the name)
* Bose, Italy, a ''frazioni'' in Magnano, Province of Biella ...
audio system, RearView Monitor, 7-inch color display, Advanced Air Bag System (AABS), leather seating surfaces with heated front seats, ten-way power driver's seat with power lumbar support and eight-way power passenger's seat.
The FX45 featured additional upgrades, including new 20-inch wheels, leather-appointed seats, a revised sport-tuned four-wheel independent suspension with new dampers, a
Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limi ...
system, and the Premium Package became standard. Sales began in January 2006, after production commencement in November 2005. Production of the S50 ended in February 2008.
Performance
FX35:
*0-: 7.1 seconds
*0-: 17.5
*1/4 mile: 15.3 seconds at
* Skidpad: .79 g
*Top speed: (drag limited)
FX45:
*0-: 6.1 seconds
*0-: 16.5 seconds
*1/4 mile: 14.6 seconds at
* Skidpad: .82 g
*Top speed: (electronically limited)
Second generation (S51; 2008)
Initial release
FX35, FX50
The redesigned 2009 Infiniti FX was officially unveiled at the
Geneva Motor Show
The Geneva International Motor Show is an annual auto show held in March in the Swiss city of Geneva. The show is hosted at the Palexpo, a convention centre located next to the Geneva Cointrin International Airport. The Salon is organised by th ...
on March 4, 2008, and went on sale in June 2008. The V6 model was still called FX35 with the
VQ35HR V6, but the V8 model was renamed FX50 in recognition of its 5-liter engine, the newly developed
VK50VE.
The exterior retained some of the first generation's "Bionic Cheetah" look and "giant scarab" profile while incorporating new styling cues. Features of the new design included longer, shark-like sculpted headlights, a large trapezoidal grille filled with horizontal dark-chrome waves, and functional side air vents. The overall size and dimensions of the new model, both external and internal, remained similar to the previous model.
The interior was completely redesigned to bring the FX up to the level of luxury found inside of other Infiniti models like the G37 and EX35. Features included stitched leather seats, stained maple wood or piano black finishes, and matte-finish surfaces.
Front suspension was a new double-wishbone design, similar to that found on the G37 and EX35; this replaced the previous generation FX's front strut-type suspension. The suspension's upper and lower A-arms were designed to improve control of a wheel's motion, especially when the suspension compresses and extends, providing more travel than the previous strut design. The body was also designed to be 1.6 times more torsionally rigid and 3.4 times more resistant to bending than the previous model. All Wheel Drive (AWD) was standard, and notably, Infiniti's AWD system always engages a 50:50 power split when stationary, ensuring maximum off-the-line traction at all times. Up to 100 percent of the engine's power can be sent to the rear wheels when needed, with a maximum of 50 percent available to the front.
FX37 (Europe)
A Europe-specific FX37 was unveiled at the
2008 Paris Motor Show
The 2008 Paris Motor Show took place from 4 October to 19 October 2008, in Paris expo Porte de Versailles.
This edition of the Paris Motor Show featured a high number of hybrid and electric vehicles (EVs), that led a blogger with ''The New York Ti ...
and went on sale in Europe in October 2008 with the
VQ37VHR
The VQ is a family of V6 Multi-valve, 24V automobile engines developed by Nissan Motor Co., Ltd., Nissan with displacements varying from 2.0 L to 4.0 L. It is an aluminum cylinder block, block DOHC 4-valve (per cylinder) design with alum ...
. Europeans get the FX37 as their entry-level model instead of the FX35, which will be available in FX37 GT and FX37S versions. The FX37 GT came equipped with 20-inch alloy wheels, power and heated/ventilated front seats, adaptive xenon headlamps, parking camera sensors, all-wheel-drive, and a 7-speed automatic with paddle shifting. The FX37S added 21-inch alloy wheels, Continuous Damping Control, and sports seats.
FX30d turbo diesel (Europe)
A Europe-specific FX30d was released in late 2010, powered by a new 3.0-liter V6 turbodiesel
V9X Engine
The V9X is a common rail 65 degree V6 24-valve DOHC turbo-diesel developed by the Renault-Nissan Alliance, and first installed in the Renault Laguna in 2009. It was subsequently made available for both longitudinal-engine vehicles including Niss ...
. The engine was developed by the Renault-Nissan Alliance, and will also power the EX and M models.
This engine, which is the first diesel in Infiniti's history, was specifically designed to deliver high levels of refined performance in line with Infiniti philosophy. Although a V8 diesel engine was entertained, the V6 format was selected early on as the ideal layout for the unit, providing the optimum balance between overall performance and refinement.
The engine produces a total of and of torque. Peak torque can be achieved from as low as 1,750 rpm and is available all the way to 2,500 rpm, while as much as is available from a mere 1,500 rpm. Idle speed is an exceptionally low 650 rpm with none of the
noise, vibration, and harshness
Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, ...
(NVH) usually associated with a diesel.
Equipment
Standard comfort features include dual-zone automatic climate control, a premium 11-speaker, 300 watt
Bose
Bose may refer to:
* Bose (crater), a lunar crater
* ''Bose'' (film), a 2004 Indian Tamil film starring Srikanth and Sneha
* Bose (surname), a surname (and list of people with the name)
* Bose, Italy, a ''frazioni'' in Magnano, Province of Biella ...
stereo with in-dash 6 CD changer and 2GB hard drive, steering wheel mounted audio controls, premium leather seating surfaces, heated front bucket seats, heated power mirrors, 10-way power driver seat w/ lumbar adjustment, 8-way power passenger seat, individual driver memory system (driver's seat, side mirrors, and steering wheel positions), RearView back-up camera, UV reflective glass, and Infiniti's Intelligent Key system. The Intelligent Key design from the first generation FX now incorporates a Push Button Ignition system. With this system, the driver does not have to remove keys to drive the vehicle; a simple electronic fob carried on the driver allows the driver to lock/unlock and start the vehicle keyless.
Other standard features include Scratch Shield paint (first introduced on the
Infiniti EX
The Infiniti QX50, previously the Infiniti EX or Nissan Skyline Crossover until 2013, is a compact luxury crossover SUV produced by Infiniti, the luxury vehicle division of Japanese automaker Nissan. The first-generation QX50 is a minor model upd ...
), black lacquer interior trim, high-intensity discharge (HID) headlamps, LED brake lamps, 12-point sequential welcome lighting, electronic liftgate closure assist, automatic dimming rear-view mirror with compass, glass moonroof, rear privacy glass, integrated rear spoiler, and dual chrome exhaust tips.
Standard safety features include dual front airbags, side-impact airbags, and rear curtain airbags with rollover sensors, as well as Zone Body construction with front and rear crumple zones.
Options include
Infiniti's Hard Drive Navigation with touch screen and 3D building images, All-Around View Monitor (first introduced on the
Infiniti EX
The Infiniti QX50, previously the Infiniti EX or Nissan Skyline Crossover until 2013, is a compact luxury crossover SUV produced by Infiniti, the luxury vehicle division of Japanese automaker Nissan. The first-generation QX50 is a minor model upd ...
) which displays a virtual bird's-eye view of the vehicle and surroundings to aid in parking, and Intelligent Cruise Control, which provides the benefits of standard cruise control with the ability to add speed and distance intervals, as well as automatically slowing the vehicle in slowing traffic to help provide a safe distance. When traffic flow ahead speeds up, Intelligent Cruise Control then reaccelerates to the preset speed and distance settings. Optional industry-first Distance Control Assist intuitively helps the driver release the throttle and apply the brakes as needed in slowing traffic. Another option, Forward Collision Warning uses the Intelligent Cruise system's
laser rangefinder
A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in ...
to alert the driver of a potential collision, and if the driver does not respond, Brake Assist automatically engages the brakes to help reduce collision speed and impact. The Premium Package adds heated and cooled front seats, a power-adjustable steering wheel,
iPod
The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. The first version was released on October 23, 2001, about months after the Macintosh version of iTunes ...
integration system, folding outdoor mirrors, and aluminum paddle shifters to adjust the gears when using the manual shift mode.
Transmission and drivetrain
All 2009 FX models came standard with Infiniti's new 7-speed automatic transmission, which was also introduced on the 2009 G37 coupe.
The FX35 (U.S.) is available in both rear-wheel drive or all-wheel drive configuration, while the FX35 (Canada), FX37 (Europe), and FX50 (all) come standard with all-wheel drive. The FX uses Nissan's
ATTESA
ATTESA (acronym for Advanced Total Traction Engineering System for All-Terrain) is a four-wheel drive system used in some automobiles produced by the Japanese automaker Nissan, including some models under its luxury marque Infiniti.
The 'mech ...
E-TS all-wheel drive system.
All FX50 models ordered with the Sport package (FX50S) come equipped with Active Steering package. This package features a planetary gearset on the steering shaft (similar to BMW), that varies the steering ratio between 12.0:1 and 18.5:1. The package also includes a rear-wheel steering system that induces up to one degree of steer to the rear wheels, to provide increased handling response for the vehicle.
2011 update
2012 Infiniti FX, Limited Edition (2011-2017)
Changes to the Infiniti FX include a redesigned front grille and front fascia design, revised meter illumination, standard heated front seats on all models, a new exterior color, Graphite Shadow (replaces Platinum Graphite), a new 20-inch wheel design for the FX35 Deluxe Touring Package, the addition of Adaptive Front-lighting System (AFS) to the FX50 Sport Package, a shift of the quilted leather climate-controlled front seats to the FX35 Deluxe Touring Package from the Premium Package.
The Limited Edition is based on the FX35 AWD, with exclusive Iridium Blue body color, 21-inch 10-spoke dark finish aluminum-alloy turbine wheels, Infiniti Hard Drive Navigation System, Around View Monitor, dark tinted adaptive headlamps, and dark tinted side air vents, and lower door trim.
US models went on sale in October 2011. Early models included FX35, FX35 AWD, FX50 AWD.
Sebastian Vettel Edition concept (2011)
It is a version of the Infiniti FX50 with Moonlight White body color, matte white exterior color, F1-inspired carbon fiber front air dam with white LED running lights, F1-inspired side skirts and rear air dam, 21-inch 10-spoke black-finish aluminum wheels, dark-tinted adaptive headlamps, dark tinted rear tail lamps, satin aluminum door handles, side air vents and exterior trim, carbon fiber rear wing, carbon-fiber interior trim, F1-inspired steering wheel and suede seating surfaces, unique Sebastian Vettel badging on the side fenders, rear liftgate, interior center console and embroidered front seats; increased engine power to , a front air dam providing increased downforce, 20 millimeters lower ride height and 30 percent improved coefficient of drag over the standard FX.
The vehicle was unveiled in the
2011 Frankfurt Motor Show by
Formula 1
Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...
driver
Sebastian Vettel
Sebastian Vettel (; born 3 July 1987) is a German racing driver who competed in Formula One from 2007 to 2022 for BMW Sauber, Scuderia Toro Rosso, Toro Rosso, Red Bull Racing, Red Bull, Scuderia Ferrari, Ferrari, and Aston Martin in Formula One ...
.
Sebastian Vettel Edition (2012-2013)
![Infiniti FX Sebastian Vettel Version](https://upload.wikimedia.org/wikipedia/commons/7/72/Infiniti_FX_Sebastian_Vettel_Version.jpg)
It is a limited (150 units (50 in Western Europe)) version of the Infiniti FX50 based on the Sebastian Vettel Edition concept, with Moonlight White body color.
The vehicle was unveiled in the
2012 Geneva Motor Show.
UK models went on sale for £100,800, with a carbon rear spoiler available at an extra cost.
Engines
Performance
FX35:
*0-: 6.1 seconds
*0-: 15.7
*1/4 mile: 14.9 seconds at
* Skidpad: .82g
*Top Speed: (governed limited)
FX37 (Europe):
*0-: 5.8 seconds
*1/4 mile: 14.6 seconds at
*Top Speed: (drag limited)
FX50:
*0-: 4.8 seconds
*0-: 12.6 seconds
*1/4 mile: 13.7 seconds at
* Skidpad: .87g
*Top Speed: (electronically limited)
Production
All vehicles are built at Nissan Motor Company's plant in Tochigi, Japan.
From 2013, also built at Nissan Motor Company's plant in Shushari, Saint-Petersburg, Russia until 2014.
Infiniti QX70 (S51, 2013-2017)
Initial release
2014 QX70 (2013-2017)
Changes to the Infiniti FX include the removal of the Limited Edition model.
The vehicle was unveiled in the
2013 Geneva Motor Show.
US models went on sale in June 2013 as 2014 model year vehicles. Early models included QX70 5.0 AWD, QX70 3.7 AWD and QX70 3.7. 5.0 AWD was last offered in the U.S. in the 2014 model year.
Engines
Transmissions
Production
In August 2013, total of 3,026 QX70 vehicles were delivered, for total of 20,556 vehicles.
Marketing
Three QX70 vehicles were used in the Riyadh campaign titled 'Inspired Light by Infiniti'.
2017 model year update
2017 QX70, QX70 Limited (2016-2017)
The QX70 Limited was unveiled at the 2016
New York International Auto Show
The New York International Auto Show is an annual auto show that is held in Manhattan in late March or early April. It is held at the Jacob Javits Convention Center. It usually opens on or just before Easter weekend and closes on the first Su ...
.
US models of QX70 Limited went on sale in summer 2016, followed by QX70 3.7, QX70 3.7 AWD.
Engines
Transmissions
Discontinuation
In July 2017, the US-market QX70 would not be offered in the 2018 model year due to poor sales and the company's focus to the better-selling
QX50.
References
External links
Official Infiniti USA QX70 homepage
{{Infiniti
QX70
Cars introduced in 2003
2010s cars
Mid-size sport utility vehicles
Luxury crossover sport utility vehicles
Rear-wheel-drive vehicles
All-wheel-drive vehicles