Fuel economy & running costsGasoline
22MPGcombined
19city
28highway
A year of fuel$3,050
CO₂ from the tailpipe404 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 730 buick cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
1991 Buick Century by Buick. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 1991fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 22fueleconomy.gov · 3 Oct 2026
- City MPG
- 19fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 28fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $3,050fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 404 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- Carfueleconomy.gov · 3 Oct 2026
- EPA class
- Midsize Carsfueleconomy.gov · 3 Oct 2026
- Drive
- Front-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 2.5 L 4-cylfueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic 3-spdfueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More buick cars
See the list
#1 2027 · Buick Enclave AWD 21Combined MPG $3,200Fuel / year #2 2027 · Buick Enclave FWD 22Combined MPG $3,050Fuel / year #3 2026 · Buick Enclave AWD 21Combined MPG $3,200Fuel / year #4 2026 · Buick Enclave FWD 22Combined MPG $3,050Fuel / year 
#5 2026 · Buick Encore GX AWD 27Combined MPG $2,500Fuel / year #6 2026 · Buick Encore GX FWD 30Combined MPG $2,250Fuel / year Listed on CarCody
Sources
- fueleconomy.gov/feg/noframes/7916.shtml· checked 3 Oct 2026