2006 Audi A3 vs. 2005 Mercedes-Benz SLK
To start off, 2006 Audi A3 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 5,437 cc (8 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (349 HP @ 5750 RPM) has 211 more horse power than 2006 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2006 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SLK weights approximately 465 kg more than 2006 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercedes-Benz SLK is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A3, being front wheel drive (FWD), will offer much better control with better grip. 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 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 190 more torque (in Nm) than 2006 Audi A3. (320 Nm @ 1750 RPM). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A3.
Compare all specifications:
| 2006 Audi A3 | 2005 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | SLK |
| Year Released | 2006 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 5437 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 138 HP | 349 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 320 Nm | 510 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1845 kg |
| Vehicle Length | 4290 mm | 4090 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2580 mm | 2410 mm |
| Fuel Consumption Overall | 5.6 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
