1978 BMW M1 vs. 1970 Opel Commodore
To start off, 1978 BMW M1 is newer by 8 year(s). Which means there will be less support and parts availability for 1970 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1970 Opel Commodore would be higher. At 3,453 cc (6 cylinders), 1978 BMW M1 is equipped with a bigger engine. In terms of performance, 1978 BMW M1 (273 HP @ 6500 RPM) has 125 more horse power than 1970 Opel Commodore. (148 HP @ 5100 RPM). In normal driving conditions, 1978 BMW M1 should accelerate faster than 1970 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW M1 weights approximately 80 kg more than 1970 Opel Commodore. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1978 BMW M1 (330 Nm @ 5000 RPM) has 107 more torque (in Nm) than 1970 Opel Commodore. (223 Nm @ 5200 RPM). This means 1978 BMW M1 will have an easier job in driving up hills or pulling heavy equipment than 1970 Opel Commodore.
Compare all specifications:
| 1978 BMW M1 | 1970 Opel Commodore | |
| Make | BMW | Opel |
| Model | M1 | Commodore |
| Year Released | 1978 | 1970 |
| Body Type | Coupe | Coupe |
| Engine Position | Middle | Front |
| Engine Size | 3453 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 273 HP | 148 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Torque | 330 Nm | 223 Nm |
| Torque RPM | 5000 RPM | 5200 RPM |
| Engine Bore Size | 93.5 mm | 92 mm |
| Engine Stroke Size | 84 mm | 69.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1300 kg | 1220 kg |
| Vehicle Length | 4370 mm | 4580 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1140 mm | 1420 mm |
| Wheelbase Size | 2570 mm | 2670 mm |
| Fuel Tank Capacity | 116 L | 75 L |
