Infiniti QX70
| Infiniti QX70 | |
|---|---|
 |
|
| Overview | |
| Manufacturer | Nissan |
| Also called | Infiniti FX (2003-2014) |
| Production | 2002–present |
| Model years | 2003–present |
| Assembly | , Japan Saint-Petersburg, Russia (SKD, 2012-2014) |
| Body and chassis | |
| Class | Mid-size luxury crossover SUV |
| Layout | Front-engine, rear-wheel drive / all-wheel drive |
| Platform | Nissan FM platform |
| First generation (S50) | |
|---|---|
 |
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| Overview | |
| Production | November 2002–February 2008 |
| Model years | 2003–2008 |
| Designer | Mamoru Aoki (2001) |
| Body and chassis | |
| Body style | four-door SUV |
| Related |
Infiniti G35/G37 Infiniti M Infiniti EX Nissan 350Z |
| Powertrain | |
| Engine | 3.5 L V6 280 hp (209 kW) 4.5 L V8 320 hp (239 kW) |
| Transmission | five-speed automatic with manual mode |
| Dimensions | |
| Wheelbase | 112.2 in (2,850 mm) |
| Length | 189.1 in (4,803 mm) |
| Width | 75.8 in (1,925 mm) |
| Height | 2003–05: 65.0 in (1,651 mm) 2006–08: 65.9 in (1,674 mm) |
| Second generation (S51) | |
|---|---|
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|
| Overview | |
| Also called | Infiniti QX70 (2014-present) |
| Production | March 2008–March 2013 (FX) April 2013–present (QX70) |
| Model years | 2009–present |
| Designer | Mamoru Aoki (2006) |
| Body and chassis | |
| Body style | 5-door SUV |
| Layout | Front-engine, rear-wheel drive / all-wheel drive |
| Related |
Infiniti G Infiniti M Infiniti EX Nissan 370Z |
| Powertrain | |
| Engine | 3.0 L V6 turbo diesel 240 hp V9X Engine (175 kw) 3.5 L V6 303 hp (226 kW) 3.7 L V6 325 hp (242 kW) 5.0 L V8 390 hp (291 kW) |
| Transmission | 7-speed automatic with manual mode |
| Dimensions | |
| Wheelbase | 113.6 in (2,885 mm) |
| Length | 2009–2011: 191.1 in (4,854 mm) 2012-: 191.3 in (4,859 mm) |
| Width | 79.9 in (2,029 mm) |
| Height | 66.1 in (1,679 mm) 2012- FX35: 65.0 in (1,651 mm) |
The Infiniti QX70 (formerly called the Infiniti FX until 2013) is a mid-size luxury crossover SUV produced by the Nissan-owned Infiniti luxury vehicle brand since the 2003 model year. The FX replaced the QX4 as Infiniti's mid-size SUV, although the QX4 was larger than the FX. It shares the same FM platform as the rear-wheel drive Nissan 370Z, and it "made no claims of climbing mountains." Rather, its aggressive shape promised style and quick handling. The similarly sized Nissan Murano is based on the same D platform as the front-wheel drive Nissan Altima. The FX and QX56, that do not have Nissan-branded equivalents, are not sold in Japan.
The FX introduced its second generation for the 2009 model year as the FX35 and FX50.
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 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 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.
The FX45 incorporates a 4.5-liter (4,494 cc) 32-valve V8 DOHC VK45DE gasoline engine with four valves per cylinder, microfinished camshafts with aluminum-alloy block and heads, low-friction molybdenum-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 early 2001, for late 2002 production. Designed in 2000 under the "Bionic Cheetah" theme, the 2001 Infiniti FX45 Concept was introduced at the NAIAS 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.
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