2009 Audi RS6 vs. 1999 Mercedes-Benz CLK
To start off, 2009 Audi RS6 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz CLK. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz CLK would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 443 more horse power than 1999 Mercedes-Benz CLK. (129 HP @ 5500 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 1999 Mercedes-Benz CLK. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 528 kg more than 1999 Mercedes-Benz CLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Mercedes-Benz CLK. In wet, icy, snow, or gravel driving conditions, 2009 Audi RS6 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, 2009 Audi RS6 (650 Nm @ 1500 RPM) has 465 more torque (in Nm) than 1999 Mercedes-Benz CLK. (185 Nm @ 3700 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz CLK. 2009 Audi RS6 has automatic transmission and 1999 Mercedes-Benz CLK has manual transmission. 1999 Mercedes-Benz CLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS6 | 1999 Mercedes-Benz CLK | |
| Make | Audi | Mercedes-Benz |
| Model | RS6 | CLK |
| Year Released | 2009 | 1999 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 1998 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 129 HP |
| Engine RPM | 6250 RPM | 5500 RPM |
| Torque | 650 Nm | 185 Nm |
| Torque RPM | 1500 RPM | 3700 RPM |
| Engine Bore Size | 84.5 mm | 89.9 mm |
| Engine Stroke Size | 89 mm | 78.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2028 kg | 1500 kg |
| Vehicle Length | 4930 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2850 mm | 2720 mm |
| Fuel Tank Capacity | 80 L | 70 L |
