Fuel consumption: 11 of 11 variants rated.
Peugeot 604 STI tops the Peugeot 604 ranking by Fuel consumption, at 13.2 l/100km (21.4 mpg UK · 17.8 mpg US).
Across 11 ranked variants, Fuel consumption spans from 7.9 l/100km (35.8 mpg UK · 29.8 mpg US) to 13.2 l/100km (21.4 mpg UK · 17.8 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Peugeot 604 STI | 1980 | Sedan | Petrol | 13.2 l/100km (21.4 mpg UK · 17.8 mpg US) |
| 2 | Peugeot 604 SL | 1975 | Sedan | Petrol | 12.3 l/100km (23.0 mpg UK · 19.1 mpg US) |
| 3 | Peugeot 604 GTI | 1983 | Sedan | Petrol | 12.2 l/100km (23.2 mpg UK · 19.3 mpg US) |
| 4 | Peugeot 604 SL | 1975 | Sedan | Petrol | 12.1 l/100km (23.3 mpg UK · 19.4 mpg US) |
| 5 | Peugeot 604 STI | 1980 | Sedan | Petrol | 12.0 l/100km (23.5 mpg UK · 19.6 mpg US) |
| 6 | Peugeot 604 GTI | 1983 | Sedan | Petrol | 11.7 l/100km (24.1 mpg UK · 20.1 mpg US) |
| 7 | Peugeot 604 SRD Turbo | 1980 | Sedan | Diesel | 9.2 l/100km (30.7 mpg UK · 25.6 mpg US) |
| 8 | Peugeot 604 GTD Turbo | 1983 | Sedan | Diesel | 8.6 l/100km (32.8 mpg UK · 27.4 mpg US) |
| 9 | Peugeot 604 GRD Turbo | 1981 | Sedan | Diesel | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 10 | Peugeot 604 SRD Turbo | 1980 | Sedan | Diesel | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 11 | Peugeot 604 GTD Turbo | 1983 | Sedan | Diesel | 7.9 l/100km (35.8 mpg UK · 29.8 mpg US) |