1991 BMW 320 vs. 1991 Opel Astra
To start off, both 1991 BMW 320 and 1991 Opel Astra were released in the same year (1991). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,991 cc (6 cylinders), 1991 BMW 320 is equipped with a bigger engine. In terms of performance, 1991 BMW 320 (149 HP @ 5900 RPM) has 93 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1991 BMW 320 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 320 weights approximately 245 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 1991 BMW 320 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 1991 BMW 320. 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, 1991 BMW 320 (190 Nm @ 4200 RPM) has 85 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 1991 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 BMW 320 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | 320 | Astra |
| Year Released | 1991 | 1991 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 56 HP |
| Engine RPM | 5900 RPM | 4600 RPM |
| Torque | 190 Nm | 105 Nm |
| Torque RPM | 4200 RPM | 2400 RPM |
| Engine Bore Size | 80 mm | 82.5 mm |
| Engine Stroke Size | 66 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 23.0:1 |
| Top Speed | 214 km/hour | 149 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 19.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1270 kg | 1025 kg |
| Vehicle Length | 4450 mm | 4280 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Tank Capacity | 65 L | 75 L |
