1994 Porsche 965 vs. 2004 BMW 645
To start off, 2004 BMW 645 is newer by 10 year(s). Which means there will be less support and parts availability for 1994 Porsche 965. In addition, the cost of maintenance, including insurance, on 1994 Porsche 965 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 1994 Porsche 965 (355 HP @ 5500 RPM) has 27 more horse power than 2004 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 1994 Porsche 965 should accelerate faster than 2004 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 645 weights approximately 345 kg more than 1994 Porsche 965.
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, 1994 Porsche 965 (530 Nm @ 4200 RPM) has 79 more torque (in Nm) than 2004 BMW 645. (451 Nm @ 3600 RPM). This means 1994 Porsche 965 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645. 2004 BMW 645 has automatic transmission and 1994 Porsche 965 has manual transmission. 1994 Porsche 965 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1994 Porsche 965 | 2004 BMW 645 | |
| Make | Porsche | BMW |
| Model | 965 | 645 |
| Year Released | 1994 | 2004 |
| Engine Position | Rear | Front |
| Engine Size | 3599 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 355 HP | 328 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 530 Nm | 451 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Engine Bore Size | 100 mm | 92 mm |
| Engine Stroke Size | 76.4 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1470 kg | 1815 kg |
| Vehicle Length | 4260 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2270 mm | 2790 mm |
