2009 Audi A4 vs. 2007 Mercedes-Benz Viano
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz Viano. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz Viano would be higher. At 2,976 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP) has 109 more horse power than 2007 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2007 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz Viano weights approximately 450 kg more than 2009 Audi A4.
Because 2007 Mercedes-Benz Viano is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Mercedes-Benz Viano. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Audi A4 (300 Nm @ 3200 RPM) has 30 more torque (in Nm) than 2007 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz Viano.
Compare all specifications:
| 2009 Audi A4 | 2007 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | Viano |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2146 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 108 HP |
| Torque | 300 Nm | 270 Nm |
| Torque RPM | 3200 RPM | 1600 RPM |
| Engine Bore Size | 82.6 mm | 88 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.8 seconds | 16.2 seconds |
| Drive Type | Front | Rear |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 2040 kg |
| Vehicle Length | 4580 mm | 5230 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 3210 mm |
| Fuel Consumption Overall | 9.9 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
