2005 BMW 730 vs. 1981 Porsche 944
To start off, 2005 BMW 730 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Porsche 944. In addition, the cost of maintenance, including insurance, on 1981 Porsche 944 would be higher. At 2,977 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (254 HP @ 6600 RPM) has 109 more horse power than 1981 Porsche 944. (145 HP @ 5800 RPM). In normal driving conditions, 2005 BMW 730 should accelerate faster than 1981 Porsche 944. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 590 kg more than 1981 Porsche 944. 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, 2005 BMW 730 (300 Nm @ 2500 RPM) has 105 more torque (in Nm) than 1981 Porsche 944. (195 Nm @ 3000 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 944.
Compare all specifications:
| 2005 BMW 730 | 1981 Porsche 944 | |
| Make | BMW | Porsche |
| Model | 730 | 944 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 2479 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 254 HP | 145 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 300 Nm | 195 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 100 mm |
| Engine Stroke Size | 88 mm | 78.9 mm |
| Engine Compression Ratio | 10.7:1 | 9.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1935 kg | 1345 kg |
| Vehicle Length | 5040 mm | 4300 mm |
| Vehicle Width | 1910 mm | 1740 mm |
| Vehicle Height | 1500 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2410 mm |
