2005 BMW 545 vs. 1981 Porsche 930
To start off, 2005 BMW 545 is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Porsche 930. In addition, the cost of maintenance, including insurance, on 1981 Porsche 930 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 30 more horse power than 1981 Porsche 930. (296 HP @ 5500 RPM). In normal driving conditions, 2005 BMW 545 should accelerate faster than 1981 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 365 kg more than 1981 Porsche 930. 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 545 (450 Nm @ 3600 RPM) has 19 more torque (in Nm) than 1981 Porsche 930. (431 Nm @ 4000 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 930.
Compare all specifications:
| 2005 BMW 545 | 1981 Porsche 930 | |
| Make | BMW | Porsche |
| Model | 545 | 930 |
| Year Released | 2005 | 1981 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4390 cc | 3297 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 326 HP | 296 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 450 Nm | 431 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 97 mm |
| Engine Stroke Size | 82.7 mm | 74.4 mm |
| Engine Compression Ratio | 10.0:1 | 7.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1665 kg | 1300 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1500 mm | 1320 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
