2004 Buick Rainier
US · SUV · Sport Utility Vehicle - 2WD
The 2004 Buick Rainier is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder
- Transmission
- 4-speed automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Gasoline
- Economy
- 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder | |
| Displacement | 4.2 L to 5.3 L | |
| Cylinders | 6 to 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 4 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km) | EPA fueleconomy.gov |
| City | 13 mpg (18.1 L/100 km) to 14 mpg (16.8 L/100 km) | |
| Highway | 17 mpg (13.8 L/100 km) to 19 mpg (12.4 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
4 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 2 recall campaigns for this model year. Last checked November 11, 2026.
05V198000: EXTERIOR LIGHTING:TURN SIGNAL
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.
Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER…
Reported May 5, 2005. View on NHTSA
04V527000: EXTERIOR LIGHTING:BRAKE LIGHTS
ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.
Remedy: DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080,…
Reported November 1, 2004. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 8, 2026 · US Government public data
- NHTSA vPIC · retrieved October 17, 2026 · US Government public data
Source checked: November 8, 2026
Data verified: November 8, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
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Frequently asked questions
What engine does the 2004 Buick Rainier have?
Varies by configuration: 4.2L 6-cylinder, 5.3L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2004 Buick Rainier?
Combined fuel economy is 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km), as published by the source shown in the specification table.
Is the 2004 Buick Rainier front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 2004 Buick Rainier?
NHTSA lists 2 recall campaigns for this model year (last checked November 11, 2026). Details are in the Recalls section.