1973 BMW Touring vs. 2001 Opel Astra
To start off, 2001 Opel Astra is newer by 28 year(s). Which means there will be less support and parts availability for 1973 BMW Touring. In addition, the cost of maintenance, including insurance, on 1973 BMW Touring would be higher. At 1,573 cc (4 cylinders), 1973 BMW Touring is equipped with a bigger engine. In terms of performance, 2001 Opel Astra (89 HP @ 6000 RPM) has 4 more horse power than 1973 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 2001 Opel Astra should accelerate faster than 1973 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Astra weights approximately 80 kg more than 1973 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1973 BMW Touring (130 Nm @ 3500 RPM) has 3 more torque (in Nm) than 2001 Opel Astra. (127 Nm @ 4000 RPM). This means 1973 BMW Touring will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 1973 BMW Touring | 2001 Opel Astra | |
| Make | BMW | Opel |
| Model | Touring | Astra |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1389 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 89 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 130 Nm | 127 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 77.6 mm |
| Engine Stroke Size | 71 mm | 73.4 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1030 kg | 1110 kg |
| Vehicle Length | 4120 mm | 4260 mm |
| Vehicle Width | 1600 mm | 1720 mm |
| Vehicle Height | 1390 mm | 1430 mm |
| Wheelbase Size | 2510 mm | 2610 mm |
