2005 Audi S8 vs. 2003 Mercedes-Benz Viano
To start off, 2005 Audi S8 is newer by 2 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 4,172 cc (8 cylinders), 2005 Audi S8 is equipped with a bigger engine. In terms of performance, 2005 Audi S8 (247 HP @ 4000 RPM) has 32 more horse power than 2003 Mercedes-Benz Viano. (215 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S8 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 290 kg more than 2005 Audi S8.
Because 2005 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2005 Audi S8 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, 2005 Audi S8 (450 Nm @ 3400 RPM) has 145 more torque (in Nm) than 2003 Mercedes-Benz Viano. (305 Nm @ 2800 RPM). This means 2005 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz Viano.
Compare all specifications:
| 2005 Audi S8 | 2003 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | Viano |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3199 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 247 HP | 215 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 450 Nm | 305 Nm |
| Torque RPM | 3400 RPM | 2800 RPM |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 2060 kg |
| Wheelbase Size | 2290 mm | 3210 mm |
| Fuel Tank Capacity | 90 L | 75 L |
