1998 BMW 845 vs. 1991 Opel Calibra
To start off, 1998 BMW 845 is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Opel Calibra. In addition, the cost of maintenance, including insurance, on 1991 Opel Calibra would be higher. At 4,398 cc (8 cylinders), 1998 BMW 845 is equipped with a bigger engine. In terms of performance, 1998 BMW 845 (282 HP @ 5700 RPM) has 167 more horse power than 1991 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1998 BMW 845 should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 845 weights approximately 560 kg more than 1991 Opel Calibra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 845. 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, 1998 BMW 845 (420 Nm @ 3900 RPM) has 246 more torque (in Nm) than 1991 Opel Calibra. (174 Nm @ 2600 RPM). This means 1998 BMW 845 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra.
Compare all specifications:
| 1998 BMW 845 | 1991 Opel Calibra | |
| Make | BMW | Opel |
| Model | 845 | Calibra |
| Year Released | 1998 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 115 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 420 Nm | 174 Nm |
| Torque RPM | 3900 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1190 kg |
| Vehicle Length | 4790 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1680 mm |
| Vehicle Height | 1350 mm | 1330 mm |
| Wheelbase Size | 2690 mm | 2610 mm |
