Fuel consumption: 8 of 9 variants rated.
Porsche 928 GT tops the Porsche 928 ranking by Fuel consumption, at 14.5 l/100km (19.5 mpg UK · 16.2 mpg US).
Across 8 ranked variants, Fuel consumption spans from 12.7 l/100km (22.2 mpg UK · 18.5 mpg US) to 14.5 l/100km (19.5 mpg UK · 16.2 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Porsche 928 GT | 1989 | Coupe | Petrol | 14.5 l/100km (19.5 mpg UK · 16.2 mpg US) |
| 2 | Porsche 928 GTS | 1991 | Coupe | Petrol | 14.2 l/100km (19.9 mpg UK · 16.6 mpg US) |
| 3 | Porsche 928 S4 | 1986 | Coupe | Petrol | 13.8 l/100km (20.5 mpg UK · 17.0 mpg US) |
| 4 | Porsche 928 S4 | 1986 | Coupe | Petrol | 13.6 l/100km (20.8 mpg UK · 17.3 mpg US) |
| 5 | Porsche 928 GTS | 1991 | Coupe | Petrol | 13.5 l/100km (20.9 mpg UK · 17.4 mpg US) |
| 6 | Porsche 928 S | 1979 | Coupe | Petrol | 13.0 l/100km (21.7 mpg UK · 18.1 mpg US) |
| 7 | Porsche 928 S4 | 1989 | Coupe | Petrol | 12.8 l/100km (22.1 mpg UK · 18.4 mpg US) |
| 8 | Porsche 928 S | 1983 | Coupe | Petrol | 12.7 l/100km (22.2 mpg UK · 18.5 mpg US) |