2004 BMW 645 vs. 1978 Porsche 930
To start off, 2004 BMW 645 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Porsche 930. In addition, the cost of maintenance, including insurance, on 1978 Porsche 930 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 32 more horse power than 1978 Porsche 930. (296 HP @ 5500 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 1978 Porsche 930. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 390 kg more than 1978 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 19 more torque (in Nm) than 1978 Porsche 930. (431 Nm @ 4000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 930.
Compare all specifications:
| 2004 BMW 645 | 1978 Porsche 930 | |
| Make | BMW | Porsche |
| Model | 645 | 930 |
| Year Released | 2004 | 1978 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4398 cc | 3299 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 328 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 | 97.1 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 | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1300 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 2830 mm | 2510 mm |
