1999 Audi S8 vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 114 more horse power than 2006 Mercedes-Benz GL. (221 HP @ 3800 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2006 Mercedes-Benz GL. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 724 kg more than 1999 Audi S8.
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 179 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 2006 Mercedes-Benz GL has automatic transmission and 1999 Audi S8 has manual transmission. 1999 Audi S8 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:
| 1999 Audi S8 | 2006 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | GL |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 221 HP |
| Engine RPM | 7000 RPM | 3800 RPM |
| Torque | 331 Nm | 510 Nm |
| Torque RPM | 3400 RPM | 1600 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 9.5 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2454 kg |
| Vehicle Length | 5040 mm | 5090 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2890 mm | 3080 mm |
| Fuel Consumption Overall | 13.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
