2004 Audi A8 vs. 2007 Mercedes-Benz Viano
To start off, 2007 Mercedes-Benz Viano is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 3,935 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (271 HP) has 163 more horse power than 2007 Mercedes-Benz Viano. (108 HP). In normal driving conditions, 2004 Audi A8 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 100 kg more than 2004 Audi A8.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz Viano. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 380 more torque (in Nm) than 2007 Mercedes-Benz Viano. (270 Nm @ 1600 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz Viano.
Compare all specifications:
| 2004 Audi A8 | 2007 Mercedes-Benz Viano | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | Viano |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3935 cc | 2146 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 108 HP |
| Torque | 650 Nm | 270 Nm |
| Torque RPM | 1800 RPM | 1600 RPM |
| Engine Bore Size | 81 mm | 88 mm |
| Engine Stroke Size | 95.5 mm | 88.3 mm |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 157 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 16.2 seconds |
| Drive Type | 4WD | Rear |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 2040 kg |
| Vehicle Length | 5060 mm | 5230 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1880 mm |
| Wheelbase Size | 2950 mm | 3210 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 75 L |
