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Oldsmobile Ninety-Eight II MPG

EPA fuel economy for 1 Oldsmobile Ninety-Eight II trims sold from 1984. Best ever: 24 MPG (1984 Ninety-Eight II). Latest model year 1984: 24 MPG combined across 1 trim.

24best combined MPG (1984)

21 / 31city / highway of the best trim

24lowest combined MPG (1984)

1model years rated

$3,740a year to fuel, cheapest 1984 trim at EPA prices

Oldsmobile Ninety-Eight II fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.98 a gallon for diesel and 15,000 miles a year, the 1984 Oldsmobile Ninety-Eight II costs about $3,740 a year to fuel (Ninety-Eight II, 4.3 L, 6 cyl, Diesel, 24 MPG).

1984 trim	Engine	Transmission	Drive	Fuel	Comb	Cost/yr	vs cheapest
Ninety-Eight II	4.3 L, 6 cyl, Diesel	Auto 4-spd		Diesel	24	$3,740	cheapest

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Oldsmobile Ninety-Eight II MPG by year

Year	Best combined	City	Hwy	Best trim that year	Trims
1984	24	21	31	Ninety-Eight II, 4.3 L, 6 cyl, Diesel, Auto 4-spd	1

Every Oldsmobile Ninety-Eight II trim

Year	Trim	Engine	Transmission	Drive	Fuel	City	Hwy	Comb	CO2 g/mi	Fuel cost/yr
1984	Ninety-Eight II	4.3 L, 6 cyl, Diesel	Auto 4-spd		Diesel	21	31	24	424	$3,740

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 1984 Large Cars

Vehicle	Combined	City	Hwy
1984 Buick Electra/Park Avenue	24	21	31
1984 Cadillac Fleetwood/DeVille (FWD)	24	21	31
1984 Buick LeSabre	21	18	26
1984 Cadillac Brougham/DeVille (RWD)	21	18	26
1984 Chevrolet Impala/Caprice	21	18	25
1984 Oldsmobile Delta 88	21	18	25

All Large Cars ranked by MPG

Questions people ask

What is the best MPG for a Oldsmobile Ninety-Eight II?

The most efficient Oldsmobile Ninety-Eight II the EPA has rated is the 1984 Ninety-Eight II at 24 MPG combined (21 city, 31 highway).

What MPG does the 1984 Oldsmobile Ninety-Eight II get?

Every 1984 Oldsmobile Ninety-Eight II trim is rated 24 MPG combined.

Which Oldsmobile Ninety-Eight II has the worst fuel economy?

The 1984 Ninety-Eight II is the lowest rated at 24 MPG combined.

How much does it cost to fuel a Oldsmobile Ninety-Eight II for a year?

At $5.98 a gallon for diesel and 15,000 miles a year, the 1984 Oldsmobile Ninety-Eight II costs about $3,740 a year to fuel (Ninety-Eight II, 4.3 L, 6 cyl, Diesel, 24 MPG).

More from Oldsmobile: every Oldsmobile model. Fuel types on this model: Diesel. EPA classes: Large Cars.