2005 Mercedes-Benz R vs. 2007 Mercedes-Benz Viano
To start off, 2007 Mercedes-Benz Viano is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz R would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (302 HP @ 4200 RPM) has 115 more horse power than 2007 Mercedes-Benz Viano. (187 HP @ 5600 RPM). In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2007 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 180 kg more than 2007 Mercedes-Benz Viano. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz R 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, 2005 Mercedes-Benz R (461 Nm @ 2700 RPM) has 190 more torque (in Nm) than 2007 Mercedes-Benz Viano. (271 Nm @ 2750 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz Viano.
Compare all specifications:
| 2005 Mercedes-Benz R | 2007 Mercedes-Benz Viano | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | R | Viano |
| Year Released | 2005 | 2007 |
| Body Type | Minivan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 3199 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 3 valves |
| Horse Power | 302 HP | 187 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 461 Nm | 271 Nm |
| Torque RPM | 2700 RPM | 2750 RPM |
| Engine Bore Size | 97 mm | 89.9 mm |
| Engine Stroke Size | 84 mm | 84 mm |
| Top Speed | 240 km/hour | 181 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 9.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2240 kg | 2060 kg |
| Vehicle Length | 5160 mm | 4750 mm |
| Vehicle Width | 1930 mm | 1910 mm |
| Vehicle Height | 1660 mm | 1880 mm |
| Wheelbase Size | 2860 mm | 3210 mm |
| Fuel Tank Capacity | 80 L | 75 L |
