2004 Audi A6 vs. 2005 Mercedes-Benz SLK
To start off, 2005 Mercedes-Benz SLK is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,491 cc (6 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (269 HP @ 4200 RPM) has 21 more horse power than 2004 Audi A6. (248 HP @ 5800 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 315 kg more than 2005 Mercedes-Benz SLK.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2004 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, both vehicles can yield 350 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2004 Audi A6 | 2005 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SLK |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 248 HP | 269 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 350 Nm | 350 Nm |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1405 kg |
| Vehicle Length | 4800 mm | 4090 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2440 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
