2009 BMW 635 vs. 1981 Opel Ascona
To start off, 2009 BMW 635 is newer by 28 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 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 168 more horse power than 1981 Opel Ascona. (114 HP @ 5800 RPM). In normal driving conditions, 2009 BMW 635 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 635 weights approximately 675 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, 2009 BMW 635 (581 Nm @ 1750 RPM) has 427 more torque (in Nm) than 1981 Opel Ascona. (154 Nm @ 4800 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 2009 BMW 635 | 1981 Opel Ascona | |
| Make | BMW | Opel |
| Model | 635 | Ascona |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 114 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 581 Nm | 154 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1725 kg | 1050 kg |
| Vehicle Length | 4830 mm | 4380 mm |
| Vehicle Width | 1860 mm | 1680 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 40 L |
