1999 Audi A8 vs. 2008 Mercedes-Benz GL
To start off, 2008 Mercedes-Benz GL is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi A8. In addition, the cost of maintenance, including insurance, on 1999 Audi A8 would be higher. At 3,996 cc (8 cylinders), 2008 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz GL (303 HP @ 3600 RPM) has 113 more horse power than 1999 Audi A8. (190 HP @ 6000 RPM) In normal driving conditions, 2008 Mercedes-Benz GL should accelerate faster than 1999 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz GL weights approximately 915 kg more than 1999 Audi A8. 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, 2008 Mercedes-Benz GL (700 Nm @ 2200 RPM) has 420 more torque (in Nm) than 1999 Audi A8. (280 Nm @ 3200 RPM). This means 2008 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A8.
Compare all specifications:
| 1999 Audi A8 | 2008 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | GL |
| Year Released | 1999 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 3996 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 190 HP | 303 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 280 Nm | 700 Nm |
| Torque RPM | 3200 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 235 km/hour | 230 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 2550 kg |
| Vehicle Length | 5040 mm | 5090 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1850 mm |
| Wheelbase Size | 2890 mm | 3080 mm |
