2008 Audi A8 vs. 2006 Mercedes-Benz GL
To start off, 2008 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz GL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz GL would be higher. At 2,987 cc (6 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (221 HP @ 3800 RPM) has 4 more horse power than 2008 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 784 kg more than 2008 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A8. In wet, icy, snow, or gravel driving conditions, 2006 Mercedes-Benz GL 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, 2006 Mercedes-Benz GL (510 Nm @ 1600 RPM) has 210 more torque (in Nm) than 2008 Audi A8. (300 Nm @ 8200 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A8. 2006 Mercedes-Benz GL has automatic transmission and 2008 Audi A8 has manual transmission. 2008 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2006 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | GL |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 221 HP |
| Engine RPM | 6300 RPM | 3800 RPM |
| Torque | 300 Nm | 510 Nm |
| Torque RPM | 8200 RPM | 1600 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 9.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 2454 kg |
| Vehicle Length | 5060 mm | 5090 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2950 mm | 3080 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
