Alfa Romeo Alfetta (1974 – 1980) vs Opel Manta (1975 – 1989): specs compared
The Alfa Romeo Alfetta is the more powerful of the two, with up to 121 hp against 110 hp. It is quicker, reaching 100 km/h in 9.7 s against 10.0 s. It has the higher top speed: 195 km/h against 187 km/h. The Opel Manta uses less fuel, from 8.1 L/100 km against 10.6 L/100 km. It is the lighter car, from 940 kg against 1,030 kg. At 4,440 mm, the Opel Manta is 249 mm longer than the Alfa Romeo Alfetta.
| Specification |
Alfa Romeo
Alfetta
1974 – 1980
|
Opel
Manta
1975 – 1989
|
|---|---|---|
| Overview | ||
| Origin | Italy | Germany |
| Documented years | 1974 – 1980 | 1975 – 1989 |
| Body style | — | — |
| Variants | 3 | 7 |
| Fuel | Petrol | Petrol |
| Drive | RWD | RWD |
| Gearbox | Manual | Manual |
| Performance | ||
| Power | 108 – 121 hp | 75 – 110 hp |
| Torque | 142 – 167 Nm | 101 – 162 Nm |
| 0–100 km/h | 9.7 – 12.0 s | 10.0 – 16.0 s |
| Top speed | 179 – 195 km/h | 158 – 187 km/h |
| Economy | ||
| Fuel economy | 10.6 – 11.2 L/100 km | 8.1 – 9.6 L/100 km |
| Dimensions | ||
| Length | 4,153 – 4,191 mm | 4,440 mm |
| Width | 1,661 – 1,664 mm | 1,669 – 1,670 mm |
| Height | 1,334 mm | 1,331 mm |
| Wheelbase | 2,400 mm | 2,520 mm |
| Curb weight | 1,030 – 1,230 kg | 940 – 1,000 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.