1991 Opel Calibra vs. 1999 BMW 730
To start off, 1999 BMW 730 is newer by 8 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 2,793 cc (6 cylinders), 1999 BMW 730 is equipped with a bigger engine. In terms of performance, 1999 BMW 730 (190 HP @ 5300 RPM) has 75 more horse power than 1991 Opel Calibra. (115 HP @ 5200 RPM) In normal driving conditions, 1999 BMW 730 should accelerate faster than 1991 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 730 weights approximately 556 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 1999 BMW 730. 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, 1999 BMW 730 (280 Nm @ 3950 RPM) has 106 more torque (in Nm) than 1991 Opel Calibra. (174 Nm @ 2600 RPM). This means 1999 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Calibra. 1999 BMW 730 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. 1999 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Calibra | 1999 BMW 730 | |
| Make | Opel | BMW |
| Model | Calibra | 730 |
| Year Released | 1991 | 1999 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 2793 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 190 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 174 Nm | 280 Nm |
| Torque RPM | 2600 RPM | 3950 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1190 kg | 1746 kg |
| Vehicle Length | 4500 mm | 5130 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2940 mm |
| Fuel Tank Capacity | 75 L | 90 L |
