Buick Combined MPG Estimates
All vehicles may not qualify for the Cash for Guzzlers program. Based on EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Combined EPA MPG determined by multiplying 55% of city and 45% of highway miles and adding them together. Your actual mileage will vary depending on how you drive and maintain your vehicle. Not responsible for typographical errors or miscalculations. Information available online at fueleconomy.gov.
| Year | Make | Model | Detail | Trans | Cyl | CTY MPG | HWY MPG | Combined MPG |
| 2009 | Buick | Enclave | AWD | (Auto) | 16 | 22 | 19 | |
| 2009 | Buick | Enclave | FWD | (Auto) | 17 | 24 | 20 | |
| 2009 | Buick | Lacrosse/Allure | (Auto) | 6cyl | 17 | 28 | 22 | |
| 2009 | Buick | Lacrosse/Allure | (Auto) | 8cyl | 16 | 24 | 20 | |
| 2009 | Buick | Lucerne | (Auto) | 6cyl | 17 | 26 | 21 | |
| 2009 | Buick | Lucerne | (Auto) | 8cyl | 15 | 22 | 18 |
All vehicles may not qualify for the Cash for Guzzlers program. Based on EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Combined EPA MPG determined by multiplying 55% of city and 45% of highway miles and adding them together. Your actual mileage will vary depending on how you drive and maintain your vehicle. Not responsible for typographical errors or miscalculations. Information available online at fueleconomy.gov.