1973 BMW 1502 vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 32 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 5,506 cc (12 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (493 HP @ 4200 RPM) has 408 more horse power than 1973 BMW 1502. (85 HP @ 5800 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 1973 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 1079 kg more than 1973 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 Mercedes-Benz SL (800 Nm) has 670 more torque (in Nm) than 1973 BMW 1502. (130 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 1502.
Compare all specifications:
| 1973 BMW 1502 | 2005 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | 1502 | SL |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 5506 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 85 HP | 493 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 130 Nm | 800 Nm |
| Engine Bore Size | 84 mm | 82 mm |
| Engine Stroke Size | 71 mm | 87 mm |
| Engine Compression Ratio | 8.6:1 | 9.0:1 |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 2009 kg |
| Vehicle Length | 4240 mm | 4540 mm |
| Vehicle Width | 1600 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2510 mm | 2570 mm |
| Fuel Tank Capacity | 50 L | 80 L |
