Infiniti FX45 Window Sticker

Infiniti doesn't release window stickers by VIN, so ForCar rebuilds the FX45 label from NHTSA and EPA records. Free, no signup.

Monroney · NHTSA & EPA · 2003–2008 · Updated Oct 31, 2026 · 4.0 ★★★★★★★★★★ Reliability Score
Quick answer

The 2008 Infiniti FX45 window sticker reads 14 mpg combined (13 city, 17 highway) for the 4.5L 8-cyl.

The Infiniti FX45 window sticker — build, options & years

The Infiniti FX45 ran from 2003–2008.

Powertrain on the label
4.5L 8-cyl
EPA fuel economy
14 mpg combined (2008)
Warranty as sold
4 years / 50,000 miles basic
Powertrain warranty
6 years / 70,000 miles
Generations
1 (2003–2008)

For year-by-year recalls, MPG and safety, see the full Infiniti FX45 VIN decoder.

What the Infiniti FX45 sticker says about fuel

EPA figures for the 2008 FX45:

FIG.01·Infiniti FX45 — EPA Fuel Economy on the Window Sticker
01
Citystop-start driving13 mpg
02
Highwaysteady cruising17 mpg
03
Combinedthe headline figure on the label14 mpg
TOP 3·UNIT EPA mpg·SOURCE EPA fuel-economy database

The label also prints an estimated $5,500 a year in fuel at 15,000 miles, and 599 g/mi of CO₂. In its EPA class (Sport Utility Vehicle, 2008) the best FX45 version ranks #36 of 38 on combined MPG (the class best is 32 mpg).

How the FX45's sticker figure changed

Combined MPG by model year, 2003 to 2008:

FIG.02·Infiniti FX45 — EPA Combined MPG by Model Year
200320042005200620072008151515151514
RANGE 15 → 14·SOURCE EPA · 2003–2008

Combined went from 15 mpg in 2003 to 14 in 2008; the best year on file is 2003 at 15 mpg. EPA revised its testing method in 2008, so stickers printed before and after that year are not directly comparable.

The FX45 sticker against its rivals

On combined MPG the FX45 trails all 3: its most efficient 2008 version reads 14 mpg, the Buick Rendezvous 19.

FIG.03·Infiniti FX45 window sticker vs rivals
ModelEPA yearBest combinedNHTSA overall
Infiniti FX45200814 mpg—
GMC Envoy200917 mpg—
Buick Rendezvous200719 mpg—
Suzuki XL7200919 mpg—
ROWS 4·SOURCE EPA fueleconomy.gov · NHTSA
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ForCar Reliability Score
Infiniti FX45 · 6 model years
Safety (NHTSA)3.5
Recall record3.0
Complaint severity4.7

Recalls, MPG and safety year by year: Infiniti FX45 VIN decoder.

FX45 window sticker — every model year

Any FX45 from 2003–2008: the VIN carries the model year, so there is no year to pick. Other Infiniti models: Infiniti window stickers.

Other Infiniti window stickers

FIG.06·Other Infiniti window stickers
ModelYears coveredClassBest EPA figure
Infiniti Q502014–2026Midsize Cars31 mpg
Infiniti QX602014–2026Standard Sport Utility Vehicle 4WD26 mpg
Infiniti QX802014–2026Standard Sport Utility Vehicle 4WD18 mpg
Infiniti G372008–2013Subcompact Cars22 mpg
Infiniti G352003–2009Compact Cars20 mpg
Infiniti Q602014–2022Subcompact Cars25 mpg
ROWS 6·SOURCE ForCar catalog · EPA fueleconomy.gov

Where to find the VIN on a Infiniti FX45

  1. WindshieldLower-left corner, driver's side, readable from outside without opening anything.
  2. Door jambOn the driver's door frame of every FX45, next to the tire-pressure and build-date plate.
  3. DocumentsRegistration, title and insurance card — on a Infiniti FX45 all three must show the same number.

Window sticker — frequently asked

What MPG does the Infiniti FX45 window sticker show?

The 2008 label shows up to 14 mpg combined, #36 of 38 in its EPA class (Sport Utility Vehicle). EPA puts the fuel bill at about $5,500 a year.

Does the FX45 sticker show better MPG than the GMC Envoy?

No: the most efficient 2008 FX45 reads 14 mpg combined, the 2009 GMC Envoy 17.

Window-sticker data rebuilt from NHTSA vPIC (equipment), EPA fueleconomy.gov (MPG) and NHTSA safety ratings. Monroney label per the Automobile Information Disclosure Act. Last updated Oct 2026. — ForCar Reviewed by , founder of ForCar.
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