2005 Audi A4 vs. 1999 Mercedes-Benz SL
To start off, 2005 Audi A4 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 2,983 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6500 RPM) has 30 more horse power than 1999 Mercedes-Benz SL. (190 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1999 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 60 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 A4 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 A4 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 A4 (300 Nm) has 29 more torque (in Nm) than 1999 Mercedes-Benz SL. (271 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SL.
Compare all specifications:
| 2005 Audi A4 | 1999 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SL |
| Year Released | 2005 | 1999 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2799 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 190 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 300 Nm | 271 Nm |
| Engine Bore Size | 83 mm | 89.9 mm |
| Engine Stroke Size | 93 mm | 73.5 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1760 kg |
| Vehicle Length | 4580 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2580 mm | 2520 mm |
| Fuel Tank Capacity | 66 L | 80 L |
