2003 BMW 520 vs. 2004 Mercedes-Benz Vision
To start off, 2004 Mercedes-Benz Vision is newer by 1 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 3,000 cc (6 cylinders), 2004 Mercedes-Benz Vision is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz Vision (215 HP @ 4200 RPM) has 48 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2004 Mercedes-Benz Vision should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 575 kg more than 2004 Mercedes-Benz Vision.
Because 2004 Mercedes-Benz Vision 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, 2004 Mercedes-Benz Vision 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, 2004 Mercedes-Benz Vision (511 Nm @ 1800 RPM) has 301 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2004 Mercedes-Benz Vision will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520. 2004 Mercedes-Benz Vision 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. 2004 Mercedes-Benz Vision will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 520 | 2004 Mercedes-Benz Vision | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | Vision |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 167 HP | 215 HP |
| Engine RPM | 6100 RPM | 4200 RPM |
| Torque | 210 Nm | 511 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1095 kg |
| Vehicle Length | 4810 mm | 4930 mm |
| Wheelbase Size | 2890 mm | 2970 mm |
| Fuel Tank Capacity | 70 L | 75 L |
