1973 BMW 1502 vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 31 year(s). Which means there will be less support and parts availability for 1973 BMW 1502. In addition, the cost of maintenance, including insurance, on 1973 BMW 1502 would be higher. At 1,598 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, both vehicles can yield 85 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 385 kg more than 1973 BMW 1502.
Let's talk about torque, 2004 Opel Astra (139 Nm @ 2600 RPM) has 9 more torque (in Nm) than 1973 BMW 1502. (130 Nm @ 3500 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | 1502 | Astra |
| Year Released | 1973 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 85 HP |
| Engine RPM | 5800 RPM | 5400 RPM |
| Torque | 130 Nm | 139 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 71 mm | 81.5 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1315 kg |
| Vehicle Length | 4240 mm | 4290 mm |
| Vehicle Width | 1600 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2610 mm |
| Fuel Tank Capacity | 50 L | 52 L |
