2005 Audi A6 vs. 2009 Mercedes-Benz GL
To start off, 2009 Mercedes-Benz GL is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,987 cc (6 cylinders), 2009 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz GL (210 HP @ 3800 RPM) has 40 more horse power than 2005 Audi A6. (170 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz GL should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 390 kg more than 2009 Mercedes-Benz GL.
Because 2009 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Mercedes-Benz GL (540 Nm @ 1600 RPM) has 169 more torque (in Nm) than 2005 Audi A6. (371 Nm @ 1500 RPM). This means 2009 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2009 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | GL |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 210 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 371 Nm | 540 Nm |
| Torque RPM | 1500 RPM | 1600 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1225 kg |
| Vehicle Length | 4800 mm | 5100 mm |
| Vehicle Width | 1820 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2760 mm | 3080 mm |
| Fuel Consumption Overall | 8.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
