1984 · Large Car · Gas

1984 Oldsmobile Ninety-Eight MPG & fuel economy

The 1984 Oldsmobile Ninety-Eight is a large car offered in 2 EPA-rated configurations. The most efficient version returns 16 MPG combined (14 city / 21 highway) on regular gasoline. Among 23 large cars rated for 1984, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,906 a year to fuel.

Compare
Combined 16 MPG 14 MPG city · 21 MPG hwy
Driving range — not published for this model
Your fuel cost $2,906 15,000 mi/yr · $19.38 per 100 mi
Class rank, 1984 #19 of 23 Large Cars by fuel cost

What will it cost you?

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

Fuel average

The 1984 Oldsmobile Ninety-Eight's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.9 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway218.911.2
Combined166.814.7

How it ranks among 1984 Large Cars

Full class ranking →
  1. 1Buick Electra/Park Avenue Diesel24 MPG $2,312
  2. 2Cadillac Fleetwood/DeVille Diesel24 MPG $2,312
  3. 3Oldsmobile Ninety-Eight II24 MPG $2,312
  4. 4Buick LeSabre Diesel21 MPG $2,643
  5. 5Oldsmobile Ninety-Eight Diesel21 MPG $2,643
  6. 19Oldsmobile Ninety-Eight16 MPG $2,906
  7. 23Rolls-Royce Silver Spur Limousine8 MPG $5,812
1984 Ninety-EightOther large carsClass median: $2,735/yr

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

Ninety-Eight MPG across model years

Full history →

2 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
— · 5.0L 8-cyl · 4-speed automatic
Ninety-Eight		 Gas 14 MPG 21 MPG 16 MPG — $2,906
— · 5.0L 8-cyl · 4-speed automatic
Ninety-Eight		 Gas 14 MPG 20 MPG 16 MPG — $2,906

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
5.0L 8-cyl
Transmission
4-speed automatic
Drivetrain
—
Passenger volume
112 cu ft
Cargo volume
20 cu ft
Tailpipe CO₂
555 g/mi

1984 Oldsmobile Ninety-Eight vs. rivals

vs Ford LTD Crown Victoria 16 MPG · $2,906/yr Same fuel cost vs Mercury Grand Marquis 16 MPG · $2,906/yr Same fuel cost vs Buick Electra/Park Avenue 16 MPG · $2,906/yr Same fuel cost vs Buick LeSabre 17 MPG · $2,735/yr LeSabre saves $171/yr vs Chevrolet Impala/Caprice 17 MPG · $2,735/yr Impala/Caprice saves $171/yr vs Chevrolet Impala/Caprice Hybrid 17 MPG · $2,735/yr Impala/Caprice Hybrid saves $171/yr vs Oldsmobile Ninety-Eight Diesel 21 MPG · $2,643/yr Ninety-Eight Diesel saves $263/yr vs Cadillac Brougham/DeVille 16 MPG · $2,906/yr Same fuel cost vs Lincoln Town Car 16 MPG · $2,906/yr Same fuel cost vs Cadillac Limousine 9 MPG · $5,167/yr Ninety-Eight saves $2,260/yr

Compare the 1984 Ninety-Eight

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

Same year, other powertrains: 1984 Oldsmobile Ninety-Eight Diesel (21 MPG)

Frequently asked questions

What is the gas mileage of the 1984 Oldsmobile Ninety-Eight?

Up to 16 MPG combined (14 city / 21 highway).

What fuel does the 1984 Oldsmobile Ninety-Eight use?

Regular gasoline.

What is the fuel average in km/L for the 1984 Oldsmobile Ninety-Eight?

The 1984 Oldsmobile Ninety-Eight's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.9 km/L on the highway.

How much does it cost to fuel the 1984 Oldsmobile Ninety-Eight per year?

About $2,906 at 15,000 miles a year with $3.10/gal regular gas, or $19.38 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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