2009 Audi A5 vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A5. In addition, the cost of maintenance, including insurance, on 2009 Audi A5 would be higher. At 3,197 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (265 HP @ 6500 RPM) has 1 more horse power than 2011 Mercedes-Benz CLS. (264 HP @ 3800 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 2011 Mercedes-Benz CLS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz CLS weights approximately 920 kg more than 2009 Audi A5.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2011 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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, 2011 Mercedes-Benz CLS (620 Nm @ 1600 RPM) has 290 more torque (in Nm) than 2009 Audi A5. (330 Nm @ 3250 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2011 Mercedes-Benz CLS | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | CLS |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 264 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 330 Nm | 620 Nm |
| Torque RPM | 3250 RPM | 1600 RPM |
| Engine Compression Ratio | 10.5:1 | 15.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 1815 kg |
| Vehicle Length | 4630 mm | 4940 mm |
| Vehicle Width | 1990 mm | 1882 mm |
| Vehicle Height | 1380 mm | 1417 mm |
| Wheelbase Size | 2760 mm | 2875 mm |
| Fuel Tank Capacity | 64 L | 80 L |
