2007 Audi S4 vs. 2006 Mercedes-Benz CLS
To start off, 2007 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz CLS would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 118 more horse power than 2006 Mercedes-Benz CLS. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2006 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLS weights approximately 60 kg more than 2007 Audi S4.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2007 Audi S4 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, 2006 Mercedes-Benz CLS (510 Nm @ 1600 RPM) has 100 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2006 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2007 Audi S4 | 2006 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | CLS |
| Year Released | 2007 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2987 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 221 HP |
| Engine RPM | 7000 RPM | 3800 RPM |
| Torque | 410 Nm | 510 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84.6 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.9 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1815 kg |
| Vehicle Length | 4590 mm | 4920 mm |
| Vehicle Width | 1730 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2650 mm | 2860 mm |
| Fuel Consumption Overall | 12.3 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
