2005 BMW X5 vs. 1981 Opel Ascona
To start off, 2005 BMW X5 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Opel Ascona. In addition, the cost of maintenance, including insurance, on 1981 Opel Ascona would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 134 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1156 kg more than 1981 Opel Ascona. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW X5 (520 Nm @ 2000 RPM) has 386 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 2005 BMW X5 | 1981 Opel Ascona | |
| Make | BMW | Opel |
| Model | X5 | Ascona |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 81 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 520 Nm | 134 Nm |
| Torque RPM | 2000 RPM | 2600 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 90 mm | 81.5 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2170 kg | 1014 kg |
| Vehicle Length | 4670 mm | 4380 mm |
| Vehicle Width | 1880 mm | 1680 mm |
| Vehicle Height | 1720 mm | 1400 mm |
| Wheelbase Size | 2830 mm | 2580 mm |
