General Motors cars: MPG and fuel economy by model

The EPA has rated 1 vehicle from General Motors across 1 distinct model since 1989. The list below covers every General Motors model with its combined MPG and estimated annual fuel cost, organised by model year so you can see how the lineup has evolved.

Below you will find every General Motors model in the EPA dataset, split into a recent table for the last five model years and a longer table for the rest. Click any model and year to see the full breakdown, including city and highway MPG, tailpipe CO₂ emissions, and the engine and drivetrain specification.

General Motors fuel economy snapshot

Across every General Motors the EPA has ever rated, the most efficient is the 1989 General Motors Coachbuilder Wagon at 18 combined MPG. That figure includes electric vehicles, which use MPGe rather than a true gallon of fuel.

For the 1989 model year, General Motors's lineup averages 18 combined MPG across 1 model. The lineup is currently all gasoline-powered.

Recent General Motors models

Recent General Motors models from the 1985 model year onward, sorted by year and model. Trims appear separately when the EPA rates them as distinct vehicles (for example, when an all-wheel-drive variant has its own MPG figures).

Year	Model	Combined MPG	Annual fuel cost
1989	Coachbuilder Wagon	18 MPG	$3,300

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year.