2005 Audi A6 vs. 2004 Mercedes-Benz SLK
To start off, 2005 Audi A6 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 3,196 cc (6 cylinders), 2004 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 32 more horse power than 2004 Mercedes-Benz SLK. (215 HP @ 4200 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2004 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 390 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 A6 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 A6 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 A6 (350 Nm) has 39 more torque (in Nm) than 2004 Mercedes-Benz SLK. (311 Nm). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Audi A6 | 2004 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SLK |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3196 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 247 HP | 215 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 350 Nm | 311 Nm |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1805 kg | 1415 kg |
| Vehicle Length | 4800 mm | 4020 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1560 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2410 mm |
| Fuel Tank Capacity | 70 L | 60 L |
