2004 Audi A6 vs. 1999 Mercedes-Benz SL
To start off, 2004 Audi A6 is newer by 5 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 2,974 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (221 HP @ 4000 RPM) has 31 more horse power than 1999 Mercedes-Benz SL. (190 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 1999 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 5 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 2004 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, 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, 2004 Audi A6 (430 Nm @ 1400 RPM) has 159 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm @ 3750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL.
Compare all specifications:
| 2004 Audi A6 | 1999 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | SL |
| Year Released | 2004 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 2799 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 190 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 430 Nm | 271 Nm |
| Torque RPM | 1400 RPM | 3750 RPM |
| Engine Bore Size | 83 mm | 89.9 mm |
| Engine Stroke Size | 91.4 mm | 73.5 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1760 kg |
| Vehicle Length | 4920 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2850 mm | 2520 mm |
| Fuel Tank Capacity | 80 L | 80 L |
