2003 BMW 520 vs. 2007 Saab 9-7X
To start off, 2007 Saab 9-7X is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 520. In addition, the cost of maintenance, including insurance, on 2003 BMW 520 would be higher. At 4,195 cc (6 cylinders), 2007 Saab 9-7X is equipped with a bigger engine. In terms of performance, 2007 Saab 9-7X (290 HP @ 6000 RPM) has 123 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2007 Saab 9-7X should accelerate faster than 2003 BMW 520.
Because 2007 Saab 9-7X is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 520. In wet, icy, snow, or gravel driving conditions, 2007 Saab 9-7X will offer significantly more control. 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, 2007 Saab 9-7X (376 Nm @ 3600 RPM) has 166 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2007 Saab 9-7X will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520. 2007 Saab 9-7X has automatic transmission and 2003 BMW 520 has manual transmission. 2003 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Saab 9-7X will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 520 | 2007 Saab 9-7X | |
| Make | BMW | Saab |
| Model | 520 | 9-7X |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 167 HP | 290 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 210 Nm | 376 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 93 mm |
| Engine Stroke Size | 72 mm | 101.9 mm |
| Engine Compression Ratio | 10.7:1 | 10.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4810 mm | 4910 mm |
| Vehicle Width | 1810 mm | 1920 mm |
| Vehicle Height | 1450 mm | 1750 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Tank Capacity | 70 L | 83 L |
