Chevrolet Twin-Turbo Corvette MPG by year — every rating on record
The Chevrolet Twin-Turbo Corvette has a combined EPA fuel economy rating for 2 model years, from 1990 to 1991. Across those years its best rated version returned 15 mpg (1990) and its thirstiest returned 15 mpg (1990). The EPA record holds 2 configurations for this nameplate, most recently a Two Seaters.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 1990 | 1 | 15 mpg | 15 mpg | #16 of 25 (38th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 1991 | 1 | 15 mpg | 15 mpg | #21 of 33 (38th pct) | Rear-Wheel Drive | Premium | Two Seaters |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Chevrolet Twin-Turbo Corvette placed highest in 1990 at #16 of 25, and lowest in 1991 at #21 of 33. It spent 0 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 5.7L 8-cyl Rear-Wheel Drive Manual 6-spd Premium | (350 V8) (GUZZLER) (FFS,TRBO), turbocharged | 13 | 20 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 1990 | 5.7L 8-cyl Rear-Wheel Drive Manual 6-spd Premium | (350 V8) (GUZZLER) (FFS,TRBO), turbocharged | 13 | 20 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
What Twin-Turbo Corvette fuel costs over a year
At the EPA's 11,500 miles a year, the 1991 Chevrolet Twin-Turbo Corvette burns 767 to 767 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $2,300 | $2,300 | $0 |
| $3.50/gal | $2,683 | $2,683 | $0 |
| $4.00/gal | $3,067 | $3,067 | $0 |
EPA’s own estimate for the 1991 model year is $5,150 to $5,150 a year in fuel, or $14,500 more than the average new vehicle over five years.
How it compares with other Two Seaters
Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 15 mpg the Chevrolet Twin-Turbo Corvette is 3 mpg below the median, which is worth about $447 a year at $3.50 a gallon.
- All Two Seaters rankings — every nameplate in the class, best to worst.
Other Chevrolet nameplates
Every Chevrolet model compared → — all nameplates ranked by best combined rating, with what each one costs a year.