1974 BMW 1502 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 31 year(s). Which means there will be less support and parts availability for 1974 BMW 1502. In addition, the cost of maintenance, including insurance, on 1974 BMW 1502 would be higher. At 2,197 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (153 HP @ 5800 RPM) has 70 more horse power than 1974 BMW 1502. (83 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1974 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 368 kg more than 1974 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Opel Astra (203 Nm @ 4000 RPM) has 73 more torque (in Nm) than 1974 BMW 1502. (130 Nm @ 3500 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 1502.
Compare all specifications:
| 1974 BMW 1502 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 1502 | Astra |
| Year Released | 1974 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1574 cc | 2197 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 83 HP | 153 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 130 Nm | 203 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 71 mm | 94.6 mm |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 930 kg | 1298 kg |
| Vehicle Length | 4240 mm | 4290 mm |
| Vehicle Width | 1600 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2710 mm |
| Fuel Tank Capacity | 50 L | 52 L |
