2004 Buick Rainier 2WD
Fuel economy & running costsGasoline
#286 of 730 · Buick cars

2004 BuickRainier 2WD

Sport Utility Vehicle - 2WD · Rear-Wheel Drive · 5.3 L 8-cyl

16MPGcombined
14city
18highway
A year of fuel$4,200
CO₂ from the tailpipe555.4 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.

Against the 730 buick cars

Combined MPG 16 MPGbest 31 · avg 21
Annual fuel cost $4,200best $2,150 · avg $3,318

Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.

Summary

The 2004 Buick Rainier 2WD is a gasoline SUV with rear-wheel drive, a 5.3 L 8-cylinder engine and a 4-speed automatic transmission. It is classified as a Sport Utility Vehicle - 2WD. Official fuel economy is 14 MPG in the city, 18 MPG on the highway and 16 MPG combined. The listed EPA annual fuel cost is $4,200, and tailpipe emissions are 555.44 g of CO2 per mile. The Rainier 2WD is the specific model listed, with Rainier as its base model. These figures give buyers a concise view of its fuel use and emissions alongside its engine and drivetrain. For running-cost comparisons, the annual fuel cost and city, highway and combined MPG figures are the key listed measures; the CO2 figure describes tailpipe emissions per mile.

Who it is for

It may suit buyers looking for a gasoline SUV with rear-wheel drive and a 5.3 L 8-cylinder engine. Its listed fuel economy and annual fuel cost are useful to consider when estimating running costs.

What is good

  • SUV body with rear-wheel drive
  • 5.3 L 8-cylinder engine
  • 4-speed automatic transmission
  • 18 MPG highway

What to know first

  • 14 MPG city
  • 16 MPG combined
  • $4,200 annual fuel cost
  • 555.44 g CO2 per mile

Verdict

The Rainier 2WD pairs a 5.3 L 8-cylinder engine with rear-wheel drive and an automatic transmission. Its listed fuel economy is 16 MPG combined, with an EPA annual fuel cost of $4,200.

Details

Model year
2004fueleconomy.gov · 3 Oct 2026

Efficiency

Combined MPG
16fueleconomy.gov · 3 Oct 2026
City MPG
14fueleconomy.gov · 3 Oct 2026
Highway MPG
18fueleconomy.gov · 3 Oct 2026

Running cost

Annual fuel cost
$4,200fueleconomy.gov · 3 Oct 2026
CO₂ (tailpipe)
555.4 g/mifueleconomy.gov · 3 Oct 2026

Car

Body
SUVfueleconomy.gov · 3 Oct 2026
EPA class
Sport Utility Vehicle - 2WDfueleconomy.gov · 3 Oct 2026
Drive
Rear-Wheel Drivefueleconomy.gov · 3 Oct 2026

Powertrain

Engine
5.3 L 8-cylfueleconomy.gov · 3 Oct 2026
Transmission
Automatic 4-spdfueleconomy.gov · 3 Oct 2026
Fuel
Gasolinefueleconomy.gov · 3 Oct 2026

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