2006 BMW 645 vs. 2006 Saab 9-7X
To start off, both 2006 BMW 645 and 2006 Saab 9-7X were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 37 more horse power than 2006 Saab 9-7X. (291 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2006 Saab 9-7X. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 285 kg more than 2006 Saab 9-7X. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 Saab 9-7X, being front wheel drive (FWD), will offer much better control with better grip. 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 @ 3600 RPM) has 74 more torque (in Nm) than 2006 Saab 9-7X. (376 Nm @ 3600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Saab 9-7X.
Compare all specifications:
| 2006 BMW 645 | 2006 Saab 9-7X | |
| Make | BMW | Saab |
| Model | 645 | 9-7X |
| Year Released | 2006 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4195 cc |
| Horse Power | 328 HP | 291 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 376 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1810 kg | 1525 kg |
| Vehicle Length | 4830 mm | 4910 mm |
| Vehicle Width | 1860 mm | 1920 mm |
| Vehicle Height | 1380 mm | 1750 mm |
| Wheelbase Size | 2790 mm | 2880 mm |
| Fuel Consumption Overall | 13.3 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 83 L |
