2005 Audi A8 vs. 2004 Mercedes-Benz SLK
To start off, 2005 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SLK would be higher. At 3,934 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (276 HP @ 3750 RPM) has 115 more horse power than 2004 Mercedes-Benz SLK. (161 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2004 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 675 kg more than 2004 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 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 Audi A8 (650 Nm @ 1800 RPM) has 409 more torque (in Nm) than 2004 Mercedes-Benz SLK. (241 Nm @ 3000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Audi A8 | 2004 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SLK |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 161 HP |
| Engine RPM | 3750 RPM | 5500 RPM |
| Torque | 650 Nm | 241 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 95.5 mm | 85 mm |
| Top Speed | 250 km/hour | 226 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 8.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1265 kg |
| Vehicle Length | 5060 mm | 4090 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1300 mm |
| Wheelbase Size | 2950 mm | 2440 mm |
| Fuel Tank Capacity | 90 L | 70 L |
