Chevrolet Corvette vs Porsche Cayman
The Porsche Cayman is the more efficient of the two: it reaches 25 mpg combined versus 21 mpg for the Chevrolet Corvette, a 4 mpg advantage and costs about $200 less per year to fuel.
Across 5 measured categories, the Porsche Cayman leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
Chevrolet Corvette
Two Seaters · 49 configurations
Head-to-head specifications
| Metric | Chevrolet Corvette | Porsche Cayman |
|---|---|---|
| Best combined MPG | 21 mpg | 25 mpg ✓ |
| Best city MPG | 17 mpg | 22 mpg ✓ |
| Best highway MPG | 29 mpg | 31 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,250 | $3,050 ✓ |
| Lowest CO2 output | 426 g/mi | 352 g/mi ✓ |
| Engines offered | SIDI & PFI, SIDI, SIDI & PFI; Hybrid, SIDI; Hybrid | SIDI |
| Transmissions | Automatic (S8), Manual 7-spd | Manual 6-spd, Automatic (AM-S7) |
| Drivetrains | Rear-Wheel Drive, All-Wheel Drive | Rear-Wheel Drive |
| Fuel types | Premium, Regular | Premium |
| EPA class | Two Seaters | Two Seaters |
| Years covered | 2015–2027 | 2015–2020 |
| Configurations on record | 49 | 35 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Corvette vs Cayman: common questions
Which is better on gas, the Chevrolet Corvette or the Porsche Cayman?
The Porsche Cayman is the more efficient of the two: it reaches 25 mpg combined versus 21 mpg for the Chevrolet Corvette, a 4 mpg advantage and costs about $200 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Porsche Cayman runs about $3,050 a year in fuel at its most efficient configuration, versus about $3,250 for the Chevrolet Corvette — a difference of roughly $200 per year.
What engines do the Corvette and Cayman offer?
Chevrolet Corvette: SIDI & PFI, SIDI, SIDI & PFI; Hybrid, SIDI; Hybrid. Porsche Cayman: SIDI.
Are they in the same vehicle class?
Yes — the EPA classifies both the Chevrolet Corvette and the Porsche Cayman as Two Seaters, so they compete directly.
More Corvette comparisons
Comparison id: chevrolet-corvette-vs-porsche-cayman