2003 BMW 645 vs. 2005 Bristol Fighter
To start off, 2005 Bristol Fighter is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 7,992 cc (10 cylinders), 2005 Bristol Fighter is equipped with a bigger engine. In terms of performance, 2005 Bristol Fighter (518 HP @ 5600 RPM) has 193 more horse power than 2003 BMW 645. (325 HP @ 6100 RPM) In normal driving conditions, 2005 Bristol Fighter should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 645 weights approximately 215 kg more than 2005 Bristol Fighter.
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 Bristol Fighter (714 Nm @ 3600 RPM) has 264 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2005 Bristol Fighter will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
| 2003 BMW 645 | 2005 Bristol Fighter | |
| Make | BMW | Bristol |
| Model | 645 | Fighter |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 7992 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 325 HP | 518 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 714 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 92 mm | 101.6 mm |
| Engine Stroke Size | 82.7 mm | 98.6 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1475 kg |
| Vehicle Length | 4830 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2890 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 105 L |
