2005 BMW 645 vs. 1980 Opel Commodore
To start off, 2005 BMW 645 is newer by 25 year(s). Which means there will be less support and parts availability for 1980 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1980 Opel Commodore would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 211 more horse power than 1980 Opel Commodore. (115 HP @ 5800 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1980 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 695 kg more than 1980 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 268 more torque (in Nm) than 1980 Opel Commodore. (179 Nm @ 4200 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1980 Opel Commodore.
Compare all specifications:
| 2005 BMW 645 | 1980 Opel Commodore | |
| Make | BMW | Opel |
| Model | 645 | Commodore |
| Year Released | 2005 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 2488 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 115 HP |
| Engine RPM | 6100 RPM | 5800 RPM |
| Torque | 447 Nm | 179 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Engine Bore Size | 92 mm | 87 mm |
| Engine Stroke Size | 83 mm | 69.8 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1200 kg |
| Vehicle Length | 4830 mm | 4740 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2670 mm |
| Fuel Tank Capacity | 70 L | 65 L |
