1990 BMW 520 vs. 2007 Saab 9-7X
To start off, 2007 Saab 9-7X is newer by 17 year(s). Which means there will be less support and parts availability for 1990 BMW 520. In addition, the cost of maintenance, including insurance, on 1990 BMW 520 would be higher. At 5,326 cc (8 cylinders), 2007 Saab 9-7X is equipped with a bigger engine. In terms of performance, 2007 Saab 9-7X (300 HP @ 5200 RPM) has 155 more horse power than 1990 BMW 520. (145 HP @ 5900 RPM) In normal driving conditions, 2007 Saab 9-7X should accelerate faster than 1990 BMW 520.
Because 2007 Saab 9-7X is four wheel drive (4WD), it will have significant more traction and grip than 1990 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 (447 Nm @ 4000 RPM) has 261 more torque (in Nm) than 1990 BMW 520. (186 Nm @ 4700 RPM). This means 2007 Saab 9-7X will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 520. 2007 Saab 9-7X has automatic transmission and 1990 BMW 520 has manual transmission. 1990 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:
| 1990 BMW 520 | 2007 Saab 9-7X | |
| Make | BMW | Saab |
| Model | 520 | 9-7X |
| Year Released | 1990 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 5326 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 300 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 186 Nm | 447 Nm |
| Torque RPM | 4700 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4730 mm | 4910 mm |
| Vehicle Width | 1760 mm | 1920 mm |
| Vehicle Height | 1420 mm | 1750 mm |
| Wheelbase Size | 2770 mm | 2880 mm |
