2005 Audi A6 vs. 2006 Mercedes-Benz GL
To start off, 2006 Mercedes-Benz GL is newer by 1 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 4,663 cc (8 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (335 HP @ 6000 RPM) has 197 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 2005 Audi A6.
Because 2006 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, 2006 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, 2006 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 140 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 1750 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2006 Mercedes-Benz GL has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2006 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A6 | GL |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4663 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 335 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 460 Nm |
| Torque RPM | 1750 RPM | 2700 RPM |
| Engine Compression Ratio | 18.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4920 mm | 5090 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2850 mm | 3080 mm |
| Fuel Tank Capacity | 70 L | 100 L |
