1981 BMW 518 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 BMW 518. In addition, the cost of maintenance, including insurance, on 1981 BMW 518 would be higher. At 3,588 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (415 HP @ 6000 RPM) has 325 more horse power than 1981 BMW 518. (90 HP @ 5500 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1981 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 397 kg more than 1981 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2004 Porsche 911 (563 Nm) has 423 more torque (in Nm) than 1981 BMW 518. (140 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 518.
Compare all specifications:
1981 BMW 518 | 2004 Porsche 911 | |
Make | BMW | Porsche |
Model | 518 | 911 |
Year Released | 1981 | 2004 |
Body Type | Sedan | Coupe |
Engine Position | Front | Rear |
Engine Size | 1766 cc | 3588 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | boxer |
Horse Power | 90 HP | 415 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 140 Nm | 563 Nm |
Engine Bore Size | 89 mm | 100 mm |
Engine Stroke Size | 71.1 mm | 76 mm |
Engine Compression Ratio | 9.5:1 | 9.4:1 |
Drive Type | Rear | Rear |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1140 kg | 1537 kg |
Vehicle Length | 4630 mm | 4440 mm |
Vehicle Width | 1710 mm | 1840 mm |
Vehicle Height | 1430 mm | 1300 mm |
Wheelbase Size | 2630 mm | 2360 mm |