2005 Audi A6 vs. 1999 Mercedes-Benz SL
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 SL. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SL would be higher. At 2,799 cc (6 cylinders), 1999 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 57 more horse power than 1999 Mercedes-Benz SL. (190 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1999 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 45 kg more than 1999 Mercedes-Benz SL. 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 1999 Mercedes-Benz SL. 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 @ 1800 RPM) has 79 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm @ 3750 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL.
Compare all specifications:
| 2005 Audi A6 | 1999 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2005 | 1999 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2799 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 190 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 350 Nm | 271 Nm |
| Torque RPM | 1800 RPM | 3750 RPM |
| Engine Bore Size | 81 mm | 89.9 mm |
| Engine Stroke Size | 86 mm | 73.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1805 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1560 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2520 mm |
| Fuel Tank Capacity | 70 L | 80 L |
