1977 BMW 520 vs. 1983 Opel Ascona
To start off, 1983 Opel Ascona is newer by 6 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 1,990 cc (6 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (120 HP @ 6000 RPM) has 46 more horse power than 1983 Opel Ascona. (74 HP @ 5800 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1983 Opel Ascona. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 390 kg more than 1983 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, 1977 BMW 520 (160 Nm @ 4000 RPM) has 59 more torque (in Nm) than 1983 Opel Ascona. (101 Nm @ 3800 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1983 Opel Ascona.
Compare all specifications:
| 1977 BMW 520 | 1983 Opel Ascona | |
| Make | BMW | Opel |
| Model | 520 | Ascona |
| Year Released | 1977 | 1983 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 74 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 160 Nm | 101 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 75 mm |
| Engine Stroke Size | 66 mm | 73.4 mm |
| Engine Compression Ratio | 9.2:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 920 kg |
| Vehicle Length | 4630 mm | 4370 mm |
| Vehicle Width | 1700 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2640 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 70 L |
