2007 Audi S4 vs. 2005 Mercedes-Benz Viano
To start off, 2007 Audi S4 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP) has 233 more horse power than 2005 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2005 Mercedes-Benz Viano.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 140 more torque (in Nm) than 2005 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz Viano.
Compare all specifications:
| 2007 Audi S4 | 2005 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | Viano |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2147 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 108 HP |
| Torque | 410 Nm | 270 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84.6 mm | 88 mm |
| Engine Stroke Size | 92.7 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 249 km/hour | 157 km/hour |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4590 mm | 4750 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2650 mm | 3210 mm |
| Fuel Tank Capacity | 63 L | 75 L |
