1975 BMW 1502 vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 24 year(s). Which means there will be less support and parts availability for 1975 BMW 1502. In addition, the cost of maintenance, including insurance, on 1975 BMW 1502 would be higher. At 3,595 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6000 RPM) has 341 more horse power than 1975 BMW 1502. (73 HP @ 5800 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1975 BMW 1502. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 560 kg more than 1975 BMW 1502. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 1502. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 will offer significantly more control. 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 442 more torque (in Nm) than 1975 BMW 1502. (118 Nm @ 3700 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 1502.
Compare all specifications:
| 1975 BMW 1502 | 1999 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 1502 | 911 |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Rear |
| Engine Size | 1573 cc | 3595 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 73 HP | 414 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 118 Nm | 560 Nm |
| Torque RPM | 3700 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 71 mm | 76.4 mm |
| Engine Compression Ratio | 8.0:1 | 9.4:1 |
| Top Speed | 155 km/hour | 304 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 980 kg | 1540 kg |
| Vehicle Length | 4240 mm | 4440 mm |
| Vehicle Width | 1600 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2510 mm | 2360 mm |
| Fuel Tank Capacity | 50 L | 64 L |
