1999 Audi S8 vs. 2005 Mercedes-Benz SLK
To start off, 2005 Mercedes-Benz SLK is newer by 6 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 5,437 cc (8 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (349 HP @ 5750 RPM) has 102 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SLK weights approximately 95 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.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Mercedes-Benz SLK. 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, 2005 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 180 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2005 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | S8 | SLK |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 5437 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 247 HP | 349 HP |
| Engine RPM | 7000 RPM | 5750 RPM |
| Torque | 330 Nm | 510 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 93 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 4.9 seconds |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1845 kg |
| Vehicle Length | 5040 mm | 4090 mm |
| Vehicle Width | 1890 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2890 mm | 2410 mm |
| Fuel Consumption Overall | 13.9 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
