2004 Audi A4 vs. 2003 Mercedes-Benz SLK
To start off, 2004 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SLK would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (201 HP @ 3500 RPM) has 40 more horse power than 2003 Mercedes-Benz SLK. (161 HP @ 5300 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2003 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 440 kg more than 2003 Mercedes-Benz SLK. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 217 more torque (in Nm) than 2003 Mercedes-Benz SLK. (234 Nm @ 2500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz SLK.
Compare all specifications:
| 2004 Audi A4 | 2003 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLK |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 161 HP |
| Engine RPM | 3500 RPM | 5300 RPM |
| Torque | 451 Nm | 234 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 89.9 mm |
| Engine Stroke Size | 91.4 mm | 78.7 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 | 1730 kg | 1290 kg |
| Vehicle Length | 4590 mm | 4020 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2470 mm | 2410 mm |
| Fuel Tank Capacity | 63 L | 70 L |
