2008 Mitsubishi Eclipse Spyder MPG & Specs — Real-World vs EPA, All Trims
It depends on the trim. Some versions take premium and some take regular — check your exact engine/transmission below.
Is the 2008 Mitsubishi Eclipse Spyder good on gas?
At up to 22 MPG combined, the 2008 Mitsubishi Eclipse Spyder is about average for a Minicompact Cars — that class averages about 21.0 MPG across 1,649 EPA-tested versions, so it's middle-of-the-road for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
At today's AAA national average price — $3.80/gal for regular gas as of 2026-07-05 — the most efficient trim runs about $2,591/year (roughly $216/month, about $17.27 per 100 miles) at the EPA's assumed 15,000 miles/year, using an estimated 682 gallons a year. We don't estimate a cost-per-fill since exact tank size isn't in the public EPA dataset, but the per-100-mile figure scales to any tank. Current national average gas prices →
2008 Mitsubishi Eclipse Spyder trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| 2.4L 4-cyl, 5-spd manual, FWD | REGULAR | 22 | $2,591 |
| 2.4L 4-cyl, S4 automatic, FWD | REGULAR | 22 | $2,591 |
| 3.8L 6-cyl, 6-spd manual, FWD | PREMIUM | 19 | $3,695 |
| 3.8L 6-cyl, S5 automatic, FWD | PREMIUM | 19 | $3,695 |
2008 Mitsubishi Eclipse Spyder specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | 2.4L 4-cyl · 3.8L 6-cyl |
| Transmission | 5-spd manual · S4 automatic · 6-spd manual · S5 automatic |
| Drive type | FWD |
| EPA body class | Minicompact Cars |
| Fuel | Varies by trim |
Other years of the Mitsubishi Eclipse Spyder
Similar cars (Minicompact Cars)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
4 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.