2009 BMW M6 vs. 1991 Opel Calibra
To start off, 2009 BMW M6 is newer by 18 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 4,999 cc (10 cylinders), 2009 BMW M6 is equipped with a bigger engine. In terms of performance, 2009 BMW M6 (500 HP @ 7750 RPM) has 299 more horse power than 1991 Opel Calibra. (201 HP @ 5600 RPM). In normal driving conditions, 2009 BMW M6 should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 143 kg more than 2009 BMW M6.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M6. 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, 2009 BMW M6 (519 Nm @ 6100 RPM) has 239 more torque (in Nm) than 1991 Opel Calibra. (280 Nm @ 2400 RPM). This means 2009 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra.
Compare all specifications:
| 2009 BMW M6 | 1991 Opel Calibra | |
| Make | BMW | Opel |
| Model | M6 | Calibra |
| Year Released | 2009 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1998 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 201 HP |
| Engine RPM | 7750 RPM | 5600 RPM |
| Torque | 519 Nm | 280 Nm |
| Torque RPM | 6100 RPM | 2400 RPM |
| Engine Compression Ratio | 12.0:1 | 9.0:1 |
| 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 | 1280 kg | 1423 kg |
| Vehicle Length | 4880 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1610 mm |
| Wheelbase Size | 2790 mm | 2450 mm |
| Fuel Consumption Overall | 18.2 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
