2008 Audi S6 vs. 2011 Mercedes-Benz GLK
To start off, 2011 Mercedes-Benz GLK is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Audi S6. In addition, the cost of maintenance, including insurance, on 2008 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (335 HP @ 7000 RPM) has 67 more horse power than 2011 Mercedes-Benz GLK. (268 HP @ 6000 RPM). In normal driving conditions, 2008 Audi S6 should accelerate faster than 2011 Mercedes-Benz GLK. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz GLK weights approximately 35 kg more than 2008 Audi S6.
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, 2008 Audi S6 (420 Nm @ 3400 RPM) has 71 more torque (in Nm) than 2011 Mercedes-Benz GLK. (349 Nm @ 2400 RPM). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz GLK.
Compare all specifications:
| 2008 Audi S6 | 2011 Mercedes-Benz GLK | |
| Make | Audi | Mercedes-Benz |
| Model | S6 | GLK |
| Year Released | 2008 | 2011 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 268 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 420 Nm | 349 Nm |
| Torque RPM | 3400 RPM | 2400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1815 kg | 1850 kg |
| Vehicle Length | 4840 mm | 4529 mm |
| Vehicle Width | 1860 mm | 1887 mm |
| Vehicle Height | 1450 mm | 1699 mm |
| Wheelbase Size | 2770 mm | 2756 mm |
| Fuel Tank Capacity | 82 L | 66 L |
