Fuel tank: 8 of 8 variants rated.
Mazda RX-7 Twin Turbo tops the Mazda RX-7 ranking by Fuel tank, at 76 L (20.1 gal US).
Across 8 ranked variants, Fuel tank spans from 55 L (14.5 gal US) to 76 L (20.1 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Mazda RX-7 Twin Turbo | 1992 | Coupe | Petrol | 76 L (20.1 gal US) |
| 2 | Mazda RX-7 Cabriolet Turbo II | 1990 | Convertible | Petrol | 72 L (19.0 gal US) |
| 3 | Mazda RX-7 Turbo II | 1990 | Coupe | Petrol | 72 L (19.0 gal US) |
| 4 | Mazda RX-7 Turbo II | 1987 | Coupe | Petrol | 72 L (19.0 gal US) |
| 5 | Mazda RX-7 | 1986 | Coupe | Petrol | 72 L (19.0 gal US) |
| 6 | Mazda RX-7 GLS | 1986 | Coupe | Petrol | 72 L (19.0 gal US) |
| 7 | Mazda RX-7 DX | 1981 | Coupe | Petrol | 55 L (14.5 gal US) |
| 8 | Mazda RX-7 SDX | 1981 | Coupe | Petrol | 55 L (14.5 gal US) |