2007 Audi Q7 vs. 2005 Mercedes-Benz Viano
To start off, 2007 Audi Q7 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 3,598 cc (6 cylinders), 2007 Audi Q7 is equipped with a bigger engine. In terms of performance, 2007 Audi Q7 (276 HP @ 6200 RPM) has 61 more horse power than 2005 Mercedes-Benz Viano. (215 HP @ 5600 RPM). In normal driving conditions, 2007 Audi Q7 should accelerate faster than 2005 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 145 kg more than 2005 Mercedes-Benz Viano. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2007 Audi Q7 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, 2007 Audi Q7 (360 Nm @ 2500 RPM) has 55 more torque (in Nm) than 2005 Mercedes-Benz Viano. (305 Nm @ 2800 RPM). This means 2007 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz Viano.
Compare all specifications:
| 2007 Audi Q7 | 2005 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | Q7 | Viano |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3598 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 276 HP | 215 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 360 Nm | 305 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Engine Compression Ratio | 12.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 225 km/hour | 191 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 8.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2205 kg | 2060 kg |
| Vehicle Length | 5090 mm | 5000 mm |
| Vehicle Width | 1990 mm | 1910 mm |
| Vehicle Height | 1740 mm | 1880 mm |
| Wheelbase Size | 3010 mm | 3210 mm |
| Fuel Consumption Overall | 12.9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 100 L | 75 L |
