1989 · Midsize Car · Gas

1989 Buick Century MPG & fuel economy

The 1989 Buick Century is a midsize car offered in 5 EPA-rated configurations. The most efficient version returns 23 MPG combined (21 city / 28 highway) on regular gasoline. Across the lineup, combined ratings range from 20 to 23 MPG. That's down 1 MPG from the 1988 model. Among 44 midsize cars rated for 1989, it ranks 10th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,022 a year to fuel.

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Combined 23 MPG 21 MPG city · 28 MPG hwy
Driving range — not published for this model
Your fuel cost $2,022 15,000 mi/yr · $13.48 per 100 mi
Class rank, 1989 #10 of 44 Midsize Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 1989 Buick Century's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.9 km/L in the city and 11.9 km/L on the highway.

MPGkm/LL/100 km
City218.911.2
Highway2811.98.4
Combined239.810.2

How it ranks among 1989 Midsize Cars

Full class ranking →
  1. 1Chevrolet Corsica25 MPG $1,860
  2. 2Dodge Aries25 MPG $1,860
  3. 3Dodge Lancer25 MPG $1,860
  4. 4Plymouth Reliant25 MPG $1,860
  5. 5Dodge Spirit24 MPG $1,938
  6. 10Buick Century23 MPG $2,022
  7. 44Rolls-Royce Brooklands/Turbo R10 MPG $5,925
1989 CenturyOther midsize carsClass median: $2,270/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Century MPG across model years

Full history →

5 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
FWD · 2.5L 4-cyl · 3-speed automatic
Century		 Gas 21 MPG 28 MPG 23 MPG — $2,022
FWD · 2.8L 6-cyl · 4-speed automatic
Century		 Gas 18 MPG 26 MPG 21 MPG — $2,214
FWD · 3.3L 6-cyl · 4-speed automatic
Century		 Gas 18 MPG 26 MPG 21 MPG — $2,214
FWD · 2.8L 6-cyl · 3-speed automatic
Century		 Gas 18 MPG 25 MPG 20 MPG — $2,325
FWD · 3.3L 6-cyl · 3-speed automatic
Century		 Gas 18 MPG 25 MPG 20 MPG — $2,325

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
2.5L 4-cyl
Transmission
3-speed automatic
Drivetrain
FWD
Passenger volume
98 cu ft
Cargo volume
16 cu ft
Tailpipe CO₂
386 g/mi

1989 Buick Century vs. rivals

vs Chevrolet Celebrity 23 MPG · $2,022/yr Same fuel cost vs Oldsmobile Cutlass Ciera 23 MPG · $2,022/yr Same fuel cost vs Dodge 600 23 MPG · $2,022/yr Same fuel cost vs Plymouth Caravelle 23 MPG · $2,022/yr Same fuel cost vs Pontiac 6000 24 MPG · $1,938/yr 6000 saves $84/yr vs Dodge Dynasty 22 MPG · $2,114/yr Century saves $92/yr vs Eagle Medallion 24 MPG · $1,938/yr Medallion saves $84/yr vs Mazda 626/MX-6 24 MPG · $1,938/yr 626/MX-6 saves $84/yr

Compare the 1989 Century

With any other car from any year, including other Century model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 1989 Buick Century?

Up to 23 MPG combined (21 city / 28 highway); ratings range from 20 to 23 MPG depending on configuration.

What fuel does the 1989 Buick Century use?

Regular gasoline.

What is the fuel average in km/L for the 1989 Buick Century?

The 1989 Buick Century's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.9 km/L in the city and 11.9 km/L on the highway.

How much does it cost to fuel the 1989 Buick Century per year?

About $2,022 at 15,000 miles a year with $3.10/gal regular gas, or $13.48 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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