2005 Mercedes-Benz Viano vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz Viano would be higher. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (261 HP @ 6600 RPM) has 113 more horse power than 2005 Mercedes-Benz Viano. (148 HP @ 3800 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2005 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz Viano weights approximately 572 kg more than 2007 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, 2005 Mercedes-Benz Viano (330 Nm @ 1800 RPM) has 15 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2005 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2005 Mercedes-Benz Viano | 2007 BMW Z4 | |
| Make | Mercedes-Benz | BMW |
| Model | Viano | Z4 |
| Year Released | 2005 | 2007 |
| Body Type | Minivan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2148 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 261 HP |
| Engine RPM | 3800 RPM | 6600 RPM |
| Torque | 330 Nm | 315 Nm |
| Torque RPM | 1800 RPM | 2750 RPM |
| Engine Compression Ratio | 18.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 169 km/hour | 250 km/hour |
| Acceleration 0-100mph | 13 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1970 kg | 1398 kg |
| Vehicle Length | 5000 mm | 4230 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1880 mm | 1270 mm |
| Wheelbase Size | 3210 mm | 2500 mm |
| Fuel Consumption Overall | 8.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 75 L | 55 L |
