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 3,199 cc (6 cylinders), 2003 Mercedes-Benz Viano is equipped with a bigger engine. In terms of performance, both vehicles can yield 215 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz Viano weights approximately 698 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, 2003 Mercedes-Benz Viano (305 Nm @ 2800 RPM) has 55 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2750 RPM). This means 2003 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2003 Mercedes-Benz Viano has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mercedes-Benz Viano will be easier to drive especially in heavy traffic.
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 | 2497 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 215 HP | 215 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 250 Nm | 305 Nm |
| Torque RPM | 2750 RPM | 2800 RPM |
| Engine Bore Size | 82 mm | 89.9 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 240 km/hour | 191 km/hour |
| Acceleration 0-100mph | 7 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1362 kg | 2060 kg |
| Vehicle Length | 4100 mm | 4750 mm |
| Vehicle Width | 1310 mm | 1910 mm |
| Vehicle Height | 1790 mm | 1880 mm |
| Wheelbase Size | 2500 mm | 3210 mm |
| Fuel Consumption Overall | 8.4 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 55 L | 75 L |
