2007 BMW 745 vs. 2003 Mercedes-Benz Viano
To start off, 2007 BMW 745 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 4,423 cc (8 cylinders), 2007 BMW 745 is equipped with a bigger engine. In terms of performance, 2007 BMW 745 (326 HP @ 3800 RPM) has 139 more horse power than 2003 Mercedes-Benz Viano. (187 HP @ 5600 RPM). In normal driving conditions, 2007 BMW 745 should accelerate faster than 2003 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 745 weights approximately 30 kg more than 2003 Mercedes-Benz Viano. 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, 2007 BMW 745 (700 Nm @ 1900 RPM) has 520 more torque (in Nm) than 2003 Mercedes-Benz Viano. (180 Nm @ 2750 RPM). This means 2007 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz Viano.
Compare all specifications:
| 2007 BMW 745 | 2003 Mercedes-Benz Viano | |
| Make | BMW | Mercedes-Benz |
| Model | 745 | Viano |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4423 cc | 3199 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 326 HP | 187 HP |
| Engine RPM | 3800 RPM | 5600 RPM |
| Torque | 700 Nm | 180 Nm |
| Torque RPM | 1900 RPM | 2750 RPM |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 176 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 9.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2115 kg | 2085 kg |
| Vehicle Length | 5050 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1910 mm |
| Vehicle Height | 1500 mm | 1880 mm |
| Wheelbase Size | 3000 mm | 2720 mm |
| Fuel Consumption Overall | 9.5 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 88 L | 75 L |
