2003 Saleen S7 vs. 2006 BMW 525
To start off, 2006 BMW 525 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Saleen S7. In addition, the cost of maintenance, including insurance, on 2003 Saleen S7 would be higher. At 7,000 cc (8 cylinders), 2003 Saleen S7 is equipped with a bigger engine. In terms of performance, 2003 Saleen S7 (550 HP) has 335 more horse power than 2006 BMW 525. (215 HP). In normal driving conditions, 2003 Saleen S7 should accelerate faster than 2006 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 525 weights approximately 433 kg more than 2003 Saleen S7.
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. 2006 BMW 525 has automatic transmission and 2003 Saleen S7 has manual transmission. 2003 Saleen S7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Saleen S7 | 2006 BMW 525 | |
| Make | Saleen | BMW |
| Model | S7 | 525 |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Middle | Front |
| Engine Size | 7000 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 550 HP | 215 HP |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 322 km/hour | 240 km/hour |
| Acceleration 0-100mph | 3.8 seconds | 7.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1247 kg | 1680 kg |
| Vehicle Length | 4755 mm | 4850 mm |
| Vehicle Width | 1981 mm | 1850 mm |
| Vehicle Height | 1041 mm | 1500 mm |
| Wheelbase Size | 2692 mm | 2840 mm |
