1991 Opel Calibra vs. 1990 Porsche 911
To start off, 1991 Opel Calibra is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,589 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 88 kg more than 1990 Porsche 911.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1990 Porsche 911. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1990 Porsche 911 (946 Nm) has 666 more torque (in Nm) than 1991 Opel Calibra. (280 Nm). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra.
Compare all specifications:
| 1991 Opel Calibra | 1990 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Calibra | 911 |
| Year Released | 1991 | 1990 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1998 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 201 HP | 0 HP |
| Torque | 280 Nm | 946 Nm |
| Engine Compression Ratio | 9.0:1 | 7.2:1 |
| Top Speed | 241 km/hour | 350 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1423 kg | 1335 kg |
