1987 BMW Z1 vs. 1973 Opel Commodore
To start off, 1987 BMW Z1 is newer by 14 year(s). Which means there will be less support and parts availability for 1973 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1973 Opel Commodore would be higher. At 2,494 cc (6 cylinders), 1987 BMW Z1 is equipped with a bigger engine. In terms of performance, 1987 BMW Z1 (175 HP @ 5800 RPM) has 61 more horse power than 1973 Opel Commodore. (114 HP @ 5200 RPM). In normal driving conditions, 1987 BMW Z1 should accelerate faster than 1973 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW Z1 weights approximately 80 kg more than 1973 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, 1987 BMW Z1 (230 Nm @ 4000 RPM) has 53 more torque (in Nm) than 1973 Opel Commodore. (177 Nm @ 3800 RPM). This means 1987 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1973 Opel Commodore.
Compare all specifications:
| 1987 BMW Z1 | 1973 Opel Commodore | |
| Make | BMW | Opel |
| Model | Z1 | Commodore |
| Year Released | 1987 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2488 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 114 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 230 Nm | 177 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 78.8 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1170 kg |
| Vehicle Length | 3960 mm | 4620 mm |
| Vehicle Width | 1810 mm | 1740 mm |
| Vehicle Height | 1280 mm | 1430 mm |
| Wheelbase Size | 2450 mm | 2680 mm |
