1991 BMW M12 vs. 1991 Opel Astra
To start off, both 1991 BMW M12 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 4,988 cc (12 cylinders), 1991 BMW M12 is equipped with a bigger engine. In terms of performance, 1991 BMW M12 (296 HP @ 5200 RPM) has 196 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM). In normal driving conditions, 1991 BMW M12 should accelerate faster than 1991 Opel Astra.
Because 1991 BMW M12 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 M12. 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 M12 (450 Nm @ 4100 RPM) has 315 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1991 BMW M12 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
1991 BMW M12 | 1991 Opel Astra | |
Make | BMW | Opel |
Model | M12 | Astra |
Year Released | 1991 | 1991 |
Body Type | Coupe | Station Wagon |
Engine Position | Middle | Front |
Engine Size | 4988 cc | 1597 cc |
Engine Cylinders | 12 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 296 HP | 100 HP |
Engine RPM | 5200 RPM | 5600 RPM |
Torque | 450 Nm | 135 Nm |
Torque RPM | 4100 RPM | 3400 RPM |
Engine Bore Size | 84 mm | 79 mm |
Engine Stroke Size | 75 mm | 81.5 mm |
Engine Compression Ratio | 8.8:1 | 9.8:1 |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Length | 4370 mm | 4280 mm |
Vehicle Width | 2000 mm | 1690 mm |
Vehicle Height | 1110 mm | 1430 mm |
Wheelbase Size | 2610 mm | 2640 mm |