1985 · Midsize Car · Gas

1985 Buick Century MPG & fuel economy

The 1985 Buick Century is a midsize car offered in 6 EPA-rated configurations. The most efficient version returns 24 MPG combined (21 city / 29 highway) on regular gasoline. Across the lineup, combined ratings range from 18 to 24 MPG. That's up 1 MPG from the 1984 model. Among 46 midsize cars rated for 1985, it ranks 4th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel.

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Combined 24 MPG 21 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $1,938 15,000 mi/yr · $12.92 per 100 mi

Class rank, 1985 #4 of 46 Midsize Cars by fuel cost

What will it cost you?

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

Miles per year Regular gas $/gal

Fuel average

The 1985 Buick Century's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	21	8.9	11.2
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 1985 Midsize Cars

Full class ranking →

1Chevrolet Citation II25 MPG $1,860
2Dodge Aries25 MPG $1,860
3Plymouth Reliant25 MPG $1,860
4Buick Century24 MPG $1,938
5Oldsmobile Cutlass Ciera24 MPG $1,938
···
46Maserati Quattroporte8 MPG $5,812

1985 CenturyOther midsize carsClass median: $2,447/yr

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

Century MPG across model years

Full history →

6 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
FWD · 2.5L 4-cyl · 3-speed automatic Century	Gas	21 MPG	29 MPG	24 MPG	—	$1,938
FWD · 3.0L 6-cyl · 3-speed automatic Century	Gas	16 MPG	24 MPG	19 MPG	—	$2,447
FWD · 3.0L 6-cyl · 3-speed automatic Century	Gas	16 MPG	23 MPG	19 MPG	—	$2,447
FWD · 3.0L 6-cyl · 4-speed automatic Century	Gas	16 MPG	23 MPG	19 MPG	—	$2,447
FWD · 3.8L 6-cyl · 4-speed automatic Century	Gas	16 MPG	23 MPG	19 MPG	—	$2,447
FWD · 3.0L 6-cyl · 4-speed automatic Century	Gas	15 MPG	23 MPG	18 MPG	—	$2,583

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: 370 g/mi

1985 Buick Century vs. rivals

vs Oldsmobile Cutlass Ciera 24 MPG · $1,938/yr Same fuel cost vs Chrysler LeBaron 24 MPG · $1,938/yr Same fuel cost vs Chevrolet Celebrity 24 MPG · $1,938/yr Same fuel cost vs Dodge Lancer 24 MPG · $1,938/yr Same fuel cost vs Pontiac 6000 24 MPG · $1,938/yr Same fuel cost vs Plymouth Reliant 25 MPG · $1,860/yr Reliant saves $78/yr vs Oldsmobile Cutlass Ciera Diesel 26 MPG · $2,135/yr Century saves $197/yr vs Chevrolet Celebrity Diesel 26 MPG · $2,135/yr Century saves $197/yr vs Pontiac 6000 Diesel 26 MPG · $2,135/yr Century saves $197/yr vs Chevrolet Citation II 25 MPG · $1,860/yr Citation II saves $78/yr vs Dodge Aries 25 MPG · $1,860/yr Aries saves $78/yr vs Buick Century Diesel 27 MPG · $2,056/yr Century saves $118/yr

Compare the 1985 Century

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

Same year, other powertrains: 1985 Buick Century Diesel (27 MPG)

Frequently asked questions

What is the gas mileage of the 1985 Buick Century?

Up to 24 MPG combined (21 city / 29 highway); ratings range from 18 to 24 MPG depending on configuration.

What fuel does the 1985 Buick Century use?

Regular gasoline.

What is the fuel average in km/L for the 1985 Buick Century?