2009 Audi A8 vs. 2007 Mercedes-Benz G
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz G would be higher. At 4,172 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (330 HP @ 6500 RPM) has 83 more horse power than 2007 Mercedes-Benz G. (247 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2007 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz G weights approximately 635 kg more than 2009 Audi A8.
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, 2007 Mercedes-Benz G (560 Nm @ 1700 RPM) has 130 more torque (in Nm) than 2009 Audi A8. (430 Nm @ 3500 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2007 Mercedes-Benz G | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | G |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3994 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 247 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 430 Nm | 560 Nm |
| Torque RPM | 3500 RPM | 1700 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 19.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 180 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 10.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1855 kg | 2490 kg |
| Vehicle Length | 5060 mm | 4230 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2950 mm | 2410 mm |
| Fuel Consumption Overall | 11.9 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 90 L | 96 L |
