1999 Audi S8 vs. 2006 Mercedes-Benz SL
To start off, 2006 Mercedes-Benz SL 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 4,966 cc (8 cylinders), 2006 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 33 more horse power than 2006 Mercedes-Benz SL. (302 HP @ 5600 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 2006 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 295 kg more than 2006 Mercedes-Benz SL. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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 SL (460 Nm @ 2700 RPM) has 129 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2006 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 2006 Mercedes-Benz SL 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 SL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2006 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | SL |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 302 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 331 Nm | 460 Nm |
| Torque RPM | 3400 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Acceleration 0-100mph | 5.4 seconds | 6.3 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1435 kg |
| Vehicle Length | 5040 mm | 4540 mm |
| Vehicle Width | 1890 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Consumption | 9.7 L/100km | 10 L/100km |
| Fuel Consumption City | 20.8 L/100km | 14.9 L/100km |
| Fuel Consumption Overall | 13.7 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
