Infiniti FX first generation

Infiniti FX first generation
Photo: IFCAR / Wikimedia Commons · Public domain

The Infiniti FX first generation (2003–2008): dimensions, weights, reliability and the official figures of its 5 versions in the United States and Canada.

Model codes: S50

Dimensions, weights and capacity

SpecificationEuropeWikipedia
Dimensions
Length4,865 mm ASTRA4,803 mm
Width1,925 mm ASTRA1,925 mm
Height1,680 mm RDW1,651–1,674 mm
Wheelbase2,850–2,860 mm RDW2,850 mm
Front track1,635 mm ASTRA–
Rear track1,640 mm ASTRA–
Weights and towing
Kerb weight1,800–1,946 kg RDW–
Mass in running order1,900–2,046 kg RDW–
Gross vehicle weight2,427–2,486 kg RDW–
Towing, braked trailer1,585–1,588 kg RDW–
Towing, unbraked trailer450–750 kg RDW–
Seats and space
Seats5 RDW–
Doors4 RDW–
Performance
Top speed233–250 km/h ASTRA222–233 km/h
Torque360–500 Nm ASTRA355–366 Nm

Tyre sizes (most common first): 265/45R21, 265/50R20

Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: ASTRA type approvals (Switzerland), Wikipedia (en, de), RDW type approvals (Netherlands). Wikipedia figures are used under CC BY-SA 4.0.

Reliability and owner reports

Owner complaints to NHTSA (US)

454 complaints for model years 2003–2008. 14 crashes · 3 fires · 32 injuries · 1 death

  • Airbags 119
  • Locks and latches 60
  • Electrical system 59
  • Body and structure 48
  • Fuel system 28

Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints

All 5 versions of the Infiniti FX first generation

United States 3 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and versionEngineFuelGearboxDriveConsumption (combined)CO₂
2003–2008CLKUP3.5 LPetrol5-speed automaticFour- or all-wheel drive17 MPG (13.8 L/100 km) EPA325 g/km
2003–2008CLKUP3.5 LPetrol5-speed automaticRear-wheel drive17–18 MPG (13.1–13.8 L/100 km) EPA307–325 g/km
2003–2008CLKUP4.5 LPetrol5-speed automaticFour- or all-wheel drive14–15 MPG (15.7–16.8 L/100 km) EPA368–394 g/km

Canada 2 versions

Model years sold in Canada, from Natural Resources Canada fuel consumption ratings (5-cycle test).

Years and versionEngineFuelGearboxConsumption (combined)CO₂
2003–2008Sport utility vehicle3.5 LPetrol5-speed automatic14.1 L/100 km 5-cycle324 g/km
2003–2008Sport utility vehicle4.5 LPetrol5-speed automatic15.5–16.2 L/100 km 5-cycle357–373 g/km

Similar models from other brands

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.