2009 BMW Z4 vs. 2003 Mercedes-Benz Viano
To start off, 2009 BMW Z4 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 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 197 more horse power than 2003 Mercedes-Benz Viano. (141 HP @ 3800 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2003 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz Viano weights approximately 510 kg more than 2009 BMW Z4.
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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 49 more torque (in Nm) than 2003 Mercedes-Benz Viano. (316 Nm @ 1800 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz Viano.
Compare all specifications:
| 2009 BMW Z4 | 2003 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | Viano |
| Year Released | 2009 | 2003 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 141 HP |
| Engine RPM | 7900 RPM | 3800 RPM |
| Torque | 365 Nm | 316 Nm |
| Torque RPM | 4900 RPM | 1800 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 174 km/hour |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1995 kg |
| Vehicle Length | 4120 mm | 4760 mm |
| Vehicle Width | 1310 mm | 1910 mm |
| Vehicle Height | 1790 mm | 1880 mm |
| Wheelbase Size | 2500 mm | 3210 mm |
| Fuel Consumption Overall | 12.3 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
