2003 Audi A4 vs. 2002 Mercedes-Benz SL
To start off, 2003 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2002 Mercedes-Benz SL would be higher. At 4,163 cc (8 cylinders), 2003 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi A4 (341 HP @ 7000 RPM) has 99 more horse power than 2002 Mercedes-Benz SL. (242 HP @ 5700 RPM). In normal driving conditions, 2003 Audi A4 should accelerate faster than 2002 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mercedes-Benz SL weights approximately 95 kg more than 2003 Audi A4.
Because 2003 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi A4 (410 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2002 Mercedes-Benz SL. (350 Nm @ 3000 RPM). This means 2003 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Mercedes-Benz SL.
Compare all specifications:
| 2003 Audi A4 | 2002 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SL |
| Year Released | 2003 | 2002 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3724 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 341 HP | 242 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 410 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1755 kg |
| Vehicle Length | 4550 mm | 4540 mm |
| Vehicle Width | 1770 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Tank Capacity | 66 L | 80 L |
