2006 Audi S4 vs. 2007 Mercedes-Benz SLK
To start off, 2007 Mercedes-Benz SLK is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLK (355 HP @ 6000 RPM) has 15 more horse power than 2006 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2007 Mercedes-Benz SLK should accelerate faster than 2006 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 290 kg more than 2007 Mercedes-Benz SLK.
Because 2007 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 2007 Mercedes-Benz SLK. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, 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, 2007 Mercedes-Benz SLK (511 Nm @ 4000 RPM) has 101 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2007 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4. 2007 Mercedes-Benz SLK has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz SLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 2007 Mercedes-Benz SLK | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | SLK |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5439 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 355 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 511 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.6 mm | 98 mm |
| Engine Stroke Size | 93 mm | 90.5 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1240 kg |
| Vehicle Length | 4590 mm | 4090 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1280 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.7 L/100km |
| Fuel Consumption City | 15.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
