2009 Audi A6 vs. 2013 Mercedes-Benz GL
To start off, 2013 Mercedes-Benz GL is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 4,600 cc (8 cylinders), 2013 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz GL (423 HP @ 5250 RPM) has 245 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2013 Mercedes-Benz GL should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz GL weights approximately 1550 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz GL 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, 2013 Mercedes-Benz GL (700 Nm @ 3500 RPM) has 320 more torque (in Nm) than 2009 Audi A6. (380 Nm @ 1400 RPM). This means 2013 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2013 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | GL |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 423 HP |
| Engine RPM | 3300 RPM | 5250 RPM |
| Torque | 380 Nm | 700 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 2445 kg |
| Vehicle Length | 4920 mm | 5120 mm |
| Vehicle Width | 1860 mm | 2141 mm |
| Vehicle Height | 1470 mm | 1850 mm |
| Wheelbase Size | 2850 mm | 3075 mm |
