2006 Buick Rainier

SUV Regular
Buick Rainier 2006
17MPG Combined
4 Trims
← 2005 2006 2007 →
Updated February 27, 2026

The 2006 Buick Rainier SUV provides 16–17 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2006 Buick Rainier Specifications

SpecValue
Combined MPG16–17 combined MPG depending on trim
City MPG14
Highway MPG20
Body StyleSUV
Fuel TypeRegular
DriveRWD
Available Trims4

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto14/20/164.2L 6cylAutomatic 4-spd
Auto14/20/175.3L 8cylAutomatic 4-spd
Auto14/20/164.2L 6cylAutomatic 4-spd
Auto14/20/165.3L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2006 Buick Rainier costs approximately $2,712 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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