2007 BMW X3 vs. 2003 Mercedes-Benz Viano
To start off, 2007 BMW X3 is newer by 4 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 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP) has 152 more horse power than 2003 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 Mercedes-Benz Viano.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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 BMW X3 (305 Nm @ 2750 RPM) has 35 more torque (in Nm) than 2003 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz Viano.
Compare all specifications:
| 2007 BMW X3 | 2003 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | Viano |
| Year Released | 2007 | 2003 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2147 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 108 HP |
| Torque | 305 Nm | 270 Nm |
| Torque RPM | 2750 RPM | 1600 RPM |
| Engine Bore Size | 85.1 mm | 88 mm |
| Engine Stroke Size | 87.9 mm | 88.3 mm |
| Engine Compression Ratio | 10.7:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 5 doors |
