2002 BMW 520 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 5 year(s). Which means there will be less support and parts availability for 2002 BMW 520. In addition, the cost of maintenance, including insurance, on 2002 BMW 520 would be higher. At 2,170 cc (6 cylinders), 2002 BMW 520 is equipped with a bigger engine. In terms of performance, 2002 BMW 520 (168 HP @ 5900 RPM) has 30 more horse power than 2007 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2002 BMW 520 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW 520 weights approximately 296 kg more than 2007 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 BMW 520 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 2002 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz B, 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 Mercedes-Benz B (300 Nm @ 1600 RPM) has 90 more torque (in Nm) than 2002 BMW 520. (210 Nm @ 3500 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW 520. 2007 Mercedes-Benz B has automatic transmission and 2002 BMW 520 has manual transmission. 2002 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 BMW 520 | 2007 Mercedes-Benz B | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | B |
| Year Released | 2002 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 138 HP |
| Engine RPM | 5900 RPM | 4200 RPM |
| Torque | 210 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 80 mm | 83 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1374 kg |
| Vehicle Length | 4810 mm | 4280 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1610 mm |
| Wheelbase Size | 2840 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 54 L |
