2005 BMW 520 vs. 2007 Mercedes-Benz R
To start off, 2007 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 520. In addition, the cost of maintenance, including insurance, on 2005 BMW 520 would be higher. At 2,987 cc (6 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (187 HP @ 4000 RPM) has 19 more horse power than 2005 BMW 520. (168 HP @ 6000 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2005 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 666 kg more than 2005 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 520. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R 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 Mercedes-Benz R (440 Nm @ 1400 RPM) has 229 more torque (in Nm) than 2005 BMW 520. (211 Nm @ 3500 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 520. 2007 Mercedes-Benz R has automatic transmission and 2005 BMW 520 has manual transmission. 2005 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 520 | 2007 Mercedes-Benz R | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | R |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 187 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 211 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 80 mm | 83 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9 seconds | 9.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 2226 kg |
| Vehicle Length | 4850 mm | 4930 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1660 mm |
| Wheelbase Size | 2950 mm | 2990 mm |
| Fuel Consumption Overall | 9.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
