1991 Buick Century Specs, MPG & Trims

EPA fuel-economy data and specifications for the 1991 Buick Century (19–22 MPG combined) across 3 listed configurations.

Overview

Body class
Midsize Cars
Drive
Front-Wheel Drive
Transmissions
Automatic 3-spd, Automatic 4-spd
Engine
4-cyl, 2.5 L; 6-cyl, 3.3 L
Fuel type
Regular Gasoline
Combined MPG
19–22 MPG
Annual fuel cost
$3,050–$3,550
5-year fuel cost
−$5,750 to −$3,250 more than average
Configurations
3

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 1991 Buick Century. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
4-cyl 2.5 L · Regular Gasoline · Front-Wheel Drive192822$3,050—
6-cyl 3.3 L · Regular Gasoline · Front-Wheel Drive1724–2719–20$3,350–$3,550—

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 1991 Buick Century (3 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost5-YR COSTFEGHG
CenturyFront-Wheel DriveAutomatic 3-spd42.5Regular Gasoline192822$3,050−$3,250——
CenturyFront-Wheel DriveAutomatic 3-spd63.3Regular Gasoline172419$3,550−$5,750——
CenturyFront-Wheel DriveAutomatic 4-spd63.3Regular Gasoline172720$3,350−$4,750——

Frequently asked questions

What is the combined MPG of the 1991 Buick Century?

According to EPA data, the 1991 Buick Century is rated at 19–22 MPG combined for its conventional-fuel configurations.

How many cylinders does the 1991 Buick Century have?

The EPA data lists 4 and 6 cylinders across its configurations.

What fuel type does the 1991 Buick Century use?

It uses Regular Gasoline.

What is the annual fuel cost of the 1991 Buick Century?

The EPA estimates annual fuel costs ranging from $3,050 to $3,550.

How much will the 1991 Buick Century cost in fuel over 5 years?

According to EPA estimates, the 1991 Buick Century 5-year fuel-cost difference is −$5,750 to −$3,250 relative to the average new vehicle (negative values mean the vehicle costs more than average).