2009 BMW 523 vs. 2007 Mercedes-Benz Viano
To start off, 2009 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz Viano would be higher. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 BMW 523 (175 HP @ 5800 RPM) has 27 more horse power than 2007 Mercedes-Benz Viano. (148 HP @ 3800 RPM). In normal driving conditions, 2009 BMW 523 should accelerate faster than 2007 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz Viano weights approximately 515 kg more than 2009 BMW 523.
Because 2009 BMW 523 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 2009 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz Viano, 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 Viano (330 Nm @ 1800 RPM) has 100 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2007 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2007 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | Viano |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 148 HP |
| Engine RPM | 5800 RPM | 3800 RPM |
| Torque | 230 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 169 km/hour |
| Acceleration 0-100mph | 9 seconds | 11.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 2090 kg |
| Vehicle Length | 4850 mm | 5000 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1910 mm |
| Wheelbase Size | 2890 mm | 3210 mm |
| Fuel Consumption Overall | 10.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 79 L |
