2005 Audi A8 vs. 2008 Mercedes-Benz Viano
To start off, 2008 Mercedes-Benz Viano is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,134 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (322 HP) has 94 more horse power than 2008 Mercedes-Benz Viano. (228 HP). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2008 Mercedes-Benz Viano. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 830 kg more than 2008 Mercedes-Benz Viano. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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 A8 (650 Nm @ 1600 RPM) has 304 more torque (in Nm) than 2008 Mercedes-Benz Viano. (346 Nm @ 2500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz Viano.
Compare all specifications:
| 2005 Audi A8 | 2008 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | Viano |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 3724 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 322 HP | 228 HP |
| Torque | 650 Nm | 346 Nm |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 95.5 mm | 84 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 199 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 10 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1945 kg | 1115 kg |
| Vehicle Length | 5070 mm | 5000 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1880 mm |
| Wheelbase Size | 2950 mm | 3210 mm |
| Fuel Consumption Overall | 9.4 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 75 L |
