1991 Opel Calibra vs. 2010 BMW X5
To start off, 2010 BMW X5 is newer by 19 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 4,800 cc (8 cylinders), 2010 BMW X5 is equipped with a bigger engine. In terms of performance, 2010 BMW X5 (350 HP @ 6300 RPM) has 149 more horse power than 1991 Opel Calibra. (201 HP @ 5600 RPM) In normal driving conditions, 2010 BMW X5 should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW X5 weights approximately 997 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.
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, 2010 BMW X5 (474 Nm @ 3400 RPM) has 194 more torque (in Nm) than 1991 Opel Calibra. (280 Nm @ 2400 RPM). This means 2010 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra. 2010 BMW X5 has automatic transmission and 1991 Opel Calibra has manual transmission. 1991 Opel Calibra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Calibra | 2010 BMW X5 | |
| Make | Opel | BMW |
| Model | Calibra | X5 |
| Year Released | 1991 | 2010 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 4800 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 350 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 280 Nm | 474 Nm |
| Torque RPM | 2400 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1423 kg | 2420 kg |
| Vehicle Length | 4500 mm | 4854 mm |
| Vehicle Width | 1700 mm | 1933 mm |
| Vehicle Height | 1610 mm | 1765 mm |
| Wheelbase Size | 2450 mm | 2934 mm |
| Fuel Tank Capacity | 40 L | 85 L |
