2005 Audi A6 vs. 1999 Mercedes-Benz SLK
To start off, 2005 Audi A6 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SLK would be higher. At 2,965 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 118 more horse power than 1999 Mercedes-Benz SLK. (134 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1999 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 300 kg more than 1999 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Mercedes-Benz SLK is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 (330 Nm @ 3250 RPM) has 140 more torque (in Nm) than 1999 Mercedes-Benz SLK. (190 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SLK.
Compare all specifications:
| 2005 Audi A6 | 1999 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SLK |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 134 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 190 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.4:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1570 kg | 1270 kg |
| Vehicle Length | 4920 mm | 4000 mm |
| Vehicle Width | 1860 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2770 mm | 2410 mm |
