Fuel consumption: 35 of 35 variants rated.
Renault 18 Combi Automatic tops the Renault 18 ranking by Fuel consumption, at 9.5 l/100km (29.7 mpg UK · 24.8 mpg US).
Across 35 ranked variants, Fuel consumption spans from 6.1 l/100km (46.3 mpg UK · 38.6 mpg US) to 9.5 l/100km (29.7 mpg UK · 24.8 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Renault 18 Combi Automatic | 1983 | Wagon | Petrol | 9.5 l/100km (29.7 mpg UK · 24.8 mpg US) |
| 2 | Renault 18 Combi Automatic | 1981 | Wagon | Petrol | 9.3 l/100km (30.4 mpg UK · 25.3 mpg US) |
| 3 | Renault 18 Automatic | 1978 | Sedan | Petrol | 9.3 l/100km (30.4 mpg UK · 25.3 mpg US) |
| 4 | Renault 18 Automatic | 1984 | Sedan | Petrol | 9.2 l/100km (30.7 mpg UK · 25.6 mpg US) |
| 5 | Renault 18 Automatic | 1983 | Sedan | Petrol | 9.2 l/100km (30.7 mpg UK · 25.6 mpg US) |
| 6 | Renault 18 Combi GTX | 1984 | Wagon | Petrol | 8.9 l/100km (31.7 mpg UK · 26.4 mpg US) |
| 7 | Renault 18 Combi TX | 1982 | Wagon | Petrol | 8.7 l/100km (32.5 mpg UK · 27.0 mpg US) |
| 8 | Renault 18 Combi GTX | 1982 | Wagon | Petrol | 8.7 l/100km (32.5 mpg UK · 27.0 mpg US) |
| 9 | Renault 18 Combi GTS | 1982 | Wagon | Petrol | 8.6 l/100km (32.8 mpg UK · 27.4 mpg US) |
| 10 | Renault 18 Combi TS | 1978 | Wagon | Petrol | 8.6 l/100km (32.8 mpg UK · 27.4 mpg US) |
| 11 | Renault 18 TS | 1981 | Sedan | Petrol | 8.4 l/100km (33.6 mpg UK · 28.0 mpg US) |
| 12 | Renault 18 Turbo | 1980 | Sedan | Petrol | 8.2 l/100km (34.4 mpg UK · 28.7 mpg US) |
| 13 | Renault 18 GTX | 1984 | Sedan | Petrol | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 14 | Renault 18 TX | 1982 | Sedan | Petrol | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 15 | Renault 18 GTX | 1982 | Sedan | Petrol | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 16 | Renault 18 GTS | 1981 | Sedan | Petrol | 8.1 l/100km (34.9 mpg UK · 29.0 mpg US) |
| 17 | Renault 18 Combi | 1978 | Wagon | Petrol | 7.9 l/100km (35.8 mpg UK · 29.8 mpg US) |
| 18 | Renault 18 Combi TL | 1978 | Wagon | Petrol | 7.9 l/100km (35.8 mpg UK · 29.8 mpg US) |
| 19 | Renault 18 Combi GTL | 1981 | Wagon | Petrol | 7.6 l/100km (37.2 mpg UK · 30.9 mpg US) |
| 20 | Renault 18 | 1978 | Sedan | Petrol | 7.5 l/100km (37.7 mpg UK · 31.4 mpg US) |
| 21 | Renault 18 TL | 1978 | Sedan | Petrol | 7.5 l/100km (37.7 mpg UK · 31.4 mpg US) |
| 22 | Renault 18 GTL | 1978 | Sedan | Petrol | 7.5 l/100km (37.7 mpg UK · 31.4 mpg US) |
| 23 | Renault 18 Combi TL | 1984 | Wagon | Petrol | 7.3 l/100km (38.7 mpg UK · 32.2 mpg US) |
| 24 | Renault 18 GTL | 1981 | Sedan | Petrol | 7.3 l/100km (38.7 mpg UK · 32.2 mpg US) |
| 25 | Renault 18 TL | 1984 | Sedan | Petrol | 7.1 l/100km (39.8 mpg UK · 33.1 mpg US) |
| 26 | Renault 18 Combi TD | 1980 | Wagon | Diesel | 7.1 l/100km (39.8 mpg UK · 33.1 mpg US) |
| 27 | Renault 18 Combi GTL | 1984 | Wagon | Petrol | 7.0 l/100km (40.4 mpg UK · 33.6 mpg US) |
| 28 | Renault 18 TD | 1980 | Sedan | Diesel | 7.0 l/100km (40.4 mpg UK · 33.6 mpg US) |
| 29 | Renault 18 Combi GTD | 1980 | Wagon | Diesel | 6.9 l/100km (40.9 mpg UK · 34.1 mpg US) |
| 30 | Renault 18 GTL | 1984 | Sedan | Petrol | 6.8 l/100km (41.5 mpg UK · 34.6 mpg US) |
| 31 | Renault 18 GTD | 1980 | Sedan | Diesel | 6.7 l/100km (42.2 mpg UK · 35.1 mpg US) |
| 32 | Renault 18 TD | 1984 | Sedan | Diesel | 6.2 l/100km (45.6 mpg UK · 37.9 mpg US) |
| 33 | Renault 18 GTD | 1984 | Sedan | Diesel | 6.2 l/100km (45.6 mpg UK · 37.9 mpg US) |
| 34 | Renault 18 Combi TD | 1984 | Wagon | Diesel | 6.1 l/100km (46.3 mpg UK · 38.6 mpg US) |
| 35 | Renault 18 Combi GTD | 1984 | Wagon | Diesel | 6.1 l/100km (46.3 mpg UK · 38.6 mpg US) |