2009 Audi A8 vs. 2005 Audi Allroad
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi Allroad. In addition, the cost of maintenance, including insurance, on 2005 Audi Allroad would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 94 more horse power than 2005 Audi Allroad. (178 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Audi Allroad. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 30 kg more than 2005 Audi Allroad. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 280 more torque (in Nm) than 2005 Audi Allroad. (370 Nm @ 1500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi Allroad.
Compare all specifications:
| 2009 Audi A8 | 2005 Audi Allroad | |
| Make | Audi | Audi |
| Model | A8 | Allroad |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2495 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 178 HP |
| Engine RPM | 3750 RPM | 4000 RPM |
| Torque | 650 Nm | 370 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 78.3 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 19.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 9.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1910 kg |
| Vehicle Length | 5190 mm | 4820 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1560 mm |
| Wheelbase Size | 3080 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
