1984 BMW M6 vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 7 year(s). Which means there will be less support and parts availability for 1984 BMW M6. In addition, the cost of maintenance, including insurance, on 1984 BMW M6 would be higher. At 3,453 cc (6 cylinders), 1984 BMW M6 is equipped with a bigger engine. In terms of performance, 1984 BMW M6 (282 HP @ 6500 RPM) has 226 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1984 BMW M6 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1984 BMW M6 weights approximately 470 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 BMW M6 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1984 BMW M6 (334 Nm @ 4500 RPM) has 229 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1984 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1984 BMW M6 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | M6 | Astra |
| Year Released | 1984 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 56 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 334 Nm | 105 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Bore Size | 93.4 mm | 82.5 mm |
| Engine Stroke Size | 84 mm | 79.5 mm |
| Engine Compression Ratio | 10.5:1 | 23.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1505 kg | 1035 kg |
| Vehicle Length | 4760 mm | 4250 mm |
| Vehicle Width | 1730 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2630 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 52 L |
