Oldsmobile

Oldsmobile Omega

Oldsmobile Omega
Photo: IFCAR / Wikimedia Commons · Public domain

The official data lists 6 versions of the Oldsmobile Omega (1984), in the United States. Each market publishes its own figures, measured on its own test procedure.

At a glance

Years in the data
1984
Markets
United States
Engines
2.5 L to 2.8 L
Fuels
Petrol
Lowest consumption (United States)
9.8 L/100 km (EPA)

What is the Oldsmobile Omega?

The Omega was Oldsmobile’s compact car and occupied the more accessible end of the brand’s range. In its final generation it was offered as a coupe or sedan, giving buyers two body styles in a smaller package. The 1984 model year was the last for the Omega.

Oldsmobile was part of General Motors, and the Omega used the company’s X-body platform. For the third generation, introduced in 1980, the car changed from rear-wheel drive to front-wheel drive.

Generations and engines

The Omega had three generations. Its third generation ran from 1980 to 1984 on the X-body platform, with front-wheel drive and coupe and sedan body styles.

Petrol engines ranged from 2.5 L to 2.8 L. The smaller engine was a four-cylinder, while the larger option was a V6.

How economical is the Oldsmobile Omega?

United States EPA figures cover the 1984 model year and six versions. The best combined rating is 24 MPG, and the lowest listed consumption is 9.8 L/100 km. These are official US test results for petrol versions.

EPA testing differs from Europe’s WLTP and NEDC procedures and Canada’s 5-cycle method. Results from those systems are not direct equivalents.

Where was the Omega sold?

The Omega was listed in the United States for the 1984 model year, with petrol engines from 2.5 L to 2.8 L.

Questions and answers

What kind of car was the Oldsmobile Omega?

It was a compact car offered as a coupe or sedan in its third generation.

When was the Omega’s third generation sold?

It ran from 1980 to 1984.

What engine sizes were available in the 1984 US range?

Petrol engines ranged from 2.5 L to 2.8 L, including a four-cylinder and a V6.

What is the Omega’s best combined EPA fuel economy?

The best combined EPA rating is 24 MPG.

Omega third generation (1980–1984)

Oldsmobile Omega third generation
Photo: IFCAR / Wikimedia Commons · Public domain

Model codes: X-body · References: en.wikipedia.org

United States 6 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and versionEngineFuelGearboxConsumption (combined)CO₂
1984(FFS) · (FFS) CA model2.5 LPetrol3-speed automatic23 MPG (10.2 L/100 km) EPA240 g/km
1984(CAL)(FFS) · (FFS) CA model2.5 LPetrol4-speed manual24 MPG (9.8 L/100 km) EPA230 g/km
1984(FFS)2.8 LPetrol3-speed automatic19 MPG (12.4 L/100 km) EPA291 g/km
1984(FFS)2.8 LPetrol4-speed manual19 MPG (12.4 L/100 km) EPA291 g/km
1984(FFS) CA model2.8 LPetrol3-speed automatic19 MPG (12.4 L/100 km) EPA291 g/km
1984(FFS) CA model2.8 LPetrol4-speed manual20 MPG (11.8 L/100 km) EPA276 g/km

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.