2007 Audi A4 vs. 2006 Mercedes-Benz GL
To start off, 2007 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz GL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz GL would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (255 HP @ 6500 RPM) has 34 more horse power than 2006 Mercedes-Benz GL. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2006 Mercedes-Benz GL. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 574 kg more than 2007 Audi A4.
Because 2006 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. 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 (510 Nm @ 1600 RPM) has 180 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2006 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | GL |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 221 HP |
| Engine RPM | 6500 RPM | 3800 RPM |
| Torque | 330 Nm | 510 Nm |
| Torque RPM | 3250 RPM | 1600 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 96 mm | 92 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 2454 kg |
| Vehicle Length | 4590 mm | 5090 mm |
| Vehicle Width | 1780 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2660 mm | 3080 mm |
| Fuel Consumption Overall | 10 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
