2008 Audi A8 vs. 2004 Mercedes-Benz SLK
To start off, 2008 Audi A8 is newer by 4 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 2,967 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (230 HP @ 4000 RPM) has 70 more horse power than 2004 Mercedes-Benz SLK. (160 HP @ 5750 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2004 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 446 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 2008 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, 2008 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 210 more torque (in Nm) than 2004 Mercedes-Benz SLK. (240 Nm @ 3000 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz SLK. 2008 Audi A8 has automatic transmission and 2004 Mercedes-Benz SLK has manual transmission. 2004 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A8 | 2004 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | SLK |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 160 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 450 Nm | 240 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 82.1 mm |
| Engine Stroke Size | 91.4 mm | 85 mm |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Acceleration 0-100mph | 7.8 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1836 kg | 1390 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 |
