2009 Audi A6 vs. 2003 Mercedes-Benz Viano
To start off, 2009 Audi A6 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 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 201 more horse power than 2003 Mercedes-Benz Viano. (141 HP @ 3800 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2003 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz Viano weights approximately 506 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2003 Mercedes-Benz Viano (344 Nm @ 1800 RPM) has 101 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 2003 Mercedes-Benz Viano will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2003 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | Viano |
| Year Released | 2009 | 2003 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 2148 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 141 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 243 Nm | 344 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Engine Bore Size | 84.6 mm | 88 mm |
| Engine Stroke Size | 92.7 mm | 88.3 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 209 km/hour | 174 km/hour |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 2046 kg |
| Vehicle Length | 4920 mm | 4750 mm |
| Vehicle Width | 1470 mm | 1910 mm |
| Vehicle Height | 1860 mm | 1880 mm |
| Wheelbase Size | 2850 mm | 3210 mm |
| Fuel Consumption Overall | 15.5 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
