2005 Audi S4 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 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 192 more horse power than 2007 Mercedes-Benz Viano. (148 HP @ 3800 RPM). In normal driving conditions, 2005 Audi S4 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 188 kg more than 2005 Audi S4.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 80 more torque (in Nm) than 2007 Mercedes-Benz Viano. (330 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz Viano.
Compare all specifications:
| 2005 Audi S4 | 2007 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | Viano |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 148 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 410 Nm | 330 Nm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 1970 kg |
| Vehicle Length | 4550 mm | 5000 mm |
| Vehicle Width | 1770 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2760 mm | 3210 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 66 L | 75 L |
