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Buick Rainier

Photo: Buick Rainier by IFCAR, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.

Buick · model year 2004

2004 Buick Rainier 2WD

SUV · Rear-Wheel Drive · Gas · EPA class: Sport Utility Vehicle - 2WD

EPA figures · 2004fueleconomy.gov
16MPG combined
14/18MPG city / highway
$4,200fuel a year
555 g CO₂ per mile 5.3 L 8-cyl Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

The CarCody take

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.

Good to know

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

Watch for

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

Who it suits. 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.

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.

Every figure on record

Efficiency
Combined MPG
16 MPG
City MPG
14 MPG
Highway MPG
18 MPG
Running cost
Annual fuel cost
$4,200
Tailpipe CO₂
555 g per mile
The car
Model year
2004
Body
SUV
EPA size class
Sport Utility Vehicle - 2WD
Drive
Rear-Wheel Drive
Powertrain
Engine
5.3 L 8-cyl
Transmission
Automatic 4-spd
Fuel
Gasoline

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