1999 Audi S8 vs. 2013 Mercedes-Benz GL
To start off, 2013 Mercedes-Benz GL is newer by 14 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 4,600 cc (8 cylinders), 2013 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz GL (423 HP @ 5250 RPM) has 88 more horse power than 1999 Audi S8. (335 HP @ 7000 RPM) In normal driving conditions, 2013 Mercedes-Benz GL should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz GL weights approximately 715 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 Mercedes-Benz GL (700 Nm @ 3500 RPM) has 369 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2013 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2013 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | GL |
| Year Released | 1999 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Horse Power | 335 HP | 423 HP |
| Engine RPM | 7000 RPM | 5250 RPM |
| Torque | 331 Nm | 700 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 5.6 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1730 kg | 2445 kg |
| Vehicle Length | 5040 mm | 5120 mm |
| Vehicle Width | 1890 mm | 2141 mm |
| Vehicle Height | 1420 mm | 1850 mm |
| Wheelbase Size | 2890 mm | 3075 mm |
| Fuel Consumption | 9.7 L/100km | 13.1 L/100km |
| Fuel Consumption City | 20.8 L/100km | 18.1 L/100km |
