2006 Buick Models
Large Cars
The title for most fuel efficient Buick in the large cars class in 2006 goes to the Buick Lucerne with a combined EPA fuel economy rating of 22 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Buick Lucerne
- 22 MPG (Automatic - 3.8L - 6 Cylinder)
Midsize Cars
The title for most fuel efficient Buick in the midsize cars class in 2006 goes to the Buick Lacrosse / Allure with a combined EPA fuel economy rating of 23 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Buick Lacrosse / Allure
- 23 MPG (Automatic - 3.8L - 6 Cylinder)
Special Purpose Vehicles - Minivans 2WD
The title for most fuel efficient Buick in the special purpose vehicles - minivans 2wd class in 2006 goes to the Buick Terraza FWD with a combined EPA fuel economy rating of 21 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Buick Terraza FWD
- 21 MPG (Automatic - 3.5L - 6 Cylinder)
Special Purpose Vehicles - Minivans 4WD
The title for most fuel efficient Buick in the special purpose vehicles - minivans 4wd class in 2006 goes to the Buick Terraza AWD with a combined EPA fuel economy rating of 19 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Buick Terraza AWD
- 19 MPG (Automatic - 3.5L - 6 Cylinder)
Special Purpose Vehicles - Sport Utility Vehicles 2WD
The title for most fuel efficient Buick in the special purpose vehicles - sport utility vehicles 2wd class in 2006 goes to the Buick Rendezvous FWD with a combined EPA fuel economy rating of 21 miles per gallon. This MPG rating is a full 17% better than the worst in class Buick, the Rainier 2WD.
- Buick Rendezvous FWD
- 21 MPG (Automatic - 3.5L - 6 Cylinder)
- Buick Rainier 2WD
- 18 MPG (Automatic - 4.2L - 6 Cylinder)
Special Purpose Vehicles - Sport Utility Vehicles 4WD
The title for most fuel efficient Buick in the special purpose vehicles - sport utility vehicles 4wd class in 2006 goes to the Buick Rendezvous AWD with a combined EPA fuel economy rating of 21 miles per gallon. This MPG rating is a full 17% better than the worst in class Buick, the Rainier AWD.
- Buick Rendezvous AWD
- 21 MPG (Automatic - 3.6L - 6 Cylinder)
- Buick Rainier AWD
- 18 MPG (Automatic - 4.2L - 6 Cylinder)