2005 BMW 645 vs. 1986 Porsche 928
To start off, 2005 BMW 645 is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP) has 50 more horse power than 1986 Porsche 928. (288 HP). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1986 Porsche 928.
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 645 (439 Nm) has 29 more torque (in Nm) than 1986 Porsche 928. (410 Nm). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1986 Porsche 928.
Compare all specifications:
| 2005 BMW 645 | 1986 Porsche 928 | |
| Make | BMW | Porsche |
| Model | 645 | 928 |
| Year Released | 2005 | 1986 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 2957 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 288 HP |
| Torque | 439 Nm | 410 Nm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 250 km/hour | 247 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4830 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1380 mm | 1290 mm |
| Wheelbase Size | 2790 mm | 2500 mm |
