1994 Cadillac DeVille/Concourse (4.9L 8-cyl) MPG & Specs
Quick answer
The 1994 Cadillac DeVille/Concourse gets an EPA-estimated 14/24 MPG (city/highway) and 17 MPG combined, with an estimated $4,450/year fuel cost and 522.765 g/mi CO₂. Engine: 4.9 L 8-cyl.
The 1994 Cadillac DeVille/Concourse with the 4.9-liter 8-cylinder premium gasoline engine returns an EPA-estimated 14 MPG in the city and 24 MPG on the highway, for a combined 17 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 4.9 L 8-cyl |
| Transmission | Automatic 4-spd |
| Drive | Front-Wheel Drive |
| Fuel type | Premium Gasoline |
| Vehicle class | Large Cars |
| MPG — city | 14 |
| MPG — highway | 24 |
| MPG — combined | 17 |
| Annual fuel cost* | $4,450 |
| CO₂ tailpipe | 522.765 g/mi |
| EPA GHG score | — |
How efficient is it?
With a combined 17 MPG, the 1994 Cadillac DeVille/Concourse sits in the low range for fuel economy. That is roughly 35% thirstier than the typical Large Cars of its era (26 MPG class average) — expect higher fuel bills than class-average alternatives.
Fuel economy and running costs
At about $4,450 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 1994 Cadillac DeVille/Concourse. Over five years that is roughly $22,250 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 1994 Cadillac DeVille/Concourse emits approximately 522.765 grams of CO₂ per mile at the tailpipe. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.