2008 Audi A5 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A5. In addition, the cost of maintenance, including insurance, on 2008 Audi A5 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (383 HP @ 6000 RPM) has 118 more horse power than 2008 Audi A5. (265 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2008 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A5 weights approximately 285 kg more than 2009 Mercedes-Benz S.
Because 2008 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Mercedes-Benz S (530 Nm @ 2800 RPM) has 199 more torque (in Nm) than 2008 Audi A5. (331 Nm @ 3250 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A5.
Compare all specifications:
| 2008 Audi A5 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | S |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3201 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 383 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 331 Nm | 530 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1325 kg |
| Vehicle Length | 4630 mm | 5210 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1380 mm | 1480 mm |
| Wheelbase Size | 2760 mm | 3170 mm |
| Fuel Consumption Overall | 8.7 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
