1981 BMW 525 vs. 2007 Saab 05-Sep
To start off, 2007 Saab 05-Sep is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2007 Saab 05-Sep weights approximately 315 kg more than 1981 BMW 525.
Because 1981 BMW 525 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 1981 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2007 Saab 05-Sep, 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, 2007 Saab 05-Sep (240 Nm @ 1800 RPM) has 25 more torque (in Nm) than 1981 BMW 525. (215 Nm @ 4000 RPM). This means 2007 Saab 05-Sep will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 525. 2007 Saab 05-Sep has automatic transmission and 1981 BMW 525 has manual transmission. 1981 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Saab 05-Sep will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 525 | 2007 Saab 05-Sep | |
| Make | BMW | Saab |
| Model | 525 | 05-Sep |
| Year Released | 1981 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 215 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 86.1 mm | 90 mm |
| Engine Stroke Size | 71.6 mm | 78 mm |
| Engine Compression Ratio | 9.6:1 | 8.8:1 |
| Acceleration 0-100mph | 8.6 seconds | 9.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1595 kg |
| Vehicle Length | 4780 mm | 4830 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2630 mm | 2710 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
