2007 Audi A3 vs. 2004 Mercedes-Benz SLK
To start off, 2007 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz SLK would be higher. At 3,199 cc (6 cylinders), 2004 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz SLK (349 HP @ 4200 RPM) has 102 more horse power than 2007 Audi A3. (247 HP @ 6300 RPM) In normal driving conditions, 2004 Mercedes-Benz SLK should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 34 kg more than 2004 Mercedes-Benz SLK.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mercedes-Benz SLK. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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 Mercedes-Benz SLK (450 Nm) has 130 more torque (in Nm) than 2007 Audi A3. (320 Nm). This means 2004 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2004 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | SLK |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 247 HP | 349 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 320 Nm | 450 Nm |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Acceleration 0-100mph | 6.3 seconds | 5.2 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1461 kg |
| Vehicle Length | 4210 mm | 4020 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2580 mm | 2410 mm |
| Fuel Consumption Overall | 10.6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 62 L |
