2009 BMW 523 vs. 2003 Mercedes-Benz Viano
To start off, 2009 BMW 523 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz Viano would be higher. At 3,199 cc (6 cylinders), 2003 Mercedes-Benz Viano is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz Viano (215 HP @ 5600 RPM) has 40 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2003 Mercedes-Benz Viano should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz Viano weights approximately 485 kg more than 2009 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2003 Mercedes-Benz Viano (305 Nm @ 2800 RPM) has 75 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2003 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 | 2003 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | Viano |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 175 HP | 215 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 230 Nm | 305 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Bore Size | 78.8 mm | 89.9 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 230 km/hour | 191 km/hour |
| Acceleration 0-100mph | 9 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 2060 kg |
| Vehicle Length | 4850 mm | 4750 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1880 mm |
| Wheelbase Size | 2890 mm | 3210 mm |
| Fuel Consumption Overall | 10.6 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
