1981 BMW 520 vs. 2001 Porsche 911
To start off, 2001 Porsche 911 is newer by 20 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 3,400 cc (6 cylinders), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (300 HP @ 6800 RPM) has 177 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2001 Porsche 911 weights approximately 185 kg more than 1981 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 520. In wet, icy, snow, or gravel driving conditions, 2001 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, 2001 Porsche 911 (350 Nm @ 4250 RPM) has 180 more torque (in Nm) than 1981 BMW 520. (170 Nm @ 4000 RPM). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
1981 BMW 520 | 2001 Porsche 911 | |
Make | BMW | Porsche |
Model | 520 | 911 |
Year Released | 1981 | 2001 |
Body Type | Sedan | Coupe |
Engine Position | Front | Rear |
Engine Size | 1991 cc | 3400 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | boxer |
Horse Power | 123 HP | 300 HP |
Engine RPM | 5800 RPM | 6800 RPM |
Torque | 170 Nm | 350 Nm |
Torque RPM | 4000 RPM | 4250 RPM |
Engine Bore Size | 80 mm | 96 mm |
Engine Stroke Size | 66 mm | 78 mm |
Engine Compression Ratio | 9.8:1 | 11.3:1 |
Top Speed | 185 km/hour | 285 km/hour |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1220 kg | 1405 kg |
Vehicle Length | 4630 mm | 4440 mm |
Vehicle Width | 1710 mm | 1780 mm |
Vehicle Height | 1430 mm | 1310 mm |
Wheelbase Size | 2630 mm | 2360 mm |
Fuel Tank Capacity | 70 L | 64 L |