2006 BMW 645 vs. 1990 Porsche 911
To start off, 2006 BMW 645 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP) has 78 more horse power than 1990 Porsche 911. (250 HP). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1990 Porsche 911.
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, 2006 BMW 645 (450 Nm) has 141 more torque (in Nm) than 1990 Porsche 911. (309 Nm). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1990 Porsche 911.
Compare all specifications:
| 2006 BMW 645 | 1990 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 645 | 911 |
| Year Released | 2006 | 1990 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4398 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 328 HP | 250 HP |
| Torque | 450 Nm | 309 Nm |
| Engine Bore Size | 92 mm | 100.1 mm |
| Engine Stroke Size | 83 mm | 76.5 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| 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 | 4250 mm |
| Vehicle Width | 1860 mm | 1660 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2790 mm | 2280 mm |
