1986 BMW 735 vs. 1981 Opel Ascona
To start off, 1986 BMW 735 is newer by 5 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 3,430 cc (6 cylinders), 1986 BMW 735 is equipped with a bigger engine. In terms of performance, 1986 BMW 735 (220 HP @ 5700 RPM) has 139 more horse power than 1981 Opel Ascona. (81 HP @ 5400 RPM). In normal driving conditions, 1986 BMW 735 should accelerate faster than 1981 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 735 weights approximately 576 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, 1986 BMW 735 (315 Nm @ 4000 RPM) has 181 more torque (in Nm) than 1981 Opel Ascona. (134 Nm @ 2600 RPM). This means 1986 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1986 BMW 735 | 1981 Opel Ascona | |
| Make | BMW | Opel |
| Model | 735 | Ascona |
| Year Released | 1986 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 220 HP | 81 HP |
| Engine RPM | 5700 RPM | 5400 RPM |
| Torque | 315 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 79 mm |
| Engine Stroke Size | 86 mm | 81.5 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1014 kg |
| Vehicle Length | 4920 mm | 4380 mm |
| Vehicle Width | 1850 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2580 mm |
