2009 Audi A5 vs. 2008 Mercedes-Benz GL
To start off, 2009 Audi A5 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz GL. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz GL would be higher. At 4,662 cc (8 cylinders), 2008 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz GL (335 HP @ 6000 RPM) has 148 more horse power than 2009 Audi A5. (187 HP @ 3500 RPM) In normal driving conditions, 2008 Mercedes-Benz GL should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz GL weights approximately 855 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 60 more torque (in Nm) than 2009 Audi A5. (400 Nm @ 1400 RPM). This means 2008 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2008 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | GL |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4662 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 335 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 400 Nm | 460 Nm |
| Torque RPM | 1400 RPM | 2700 RPM |
| Engine Bore Size | 83 mm | 92.9 mm |
| Engine Stroke Size | 83.1 mm | 86 mm |
| Engine Compression Ratio | 16.8:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 232 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.6 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1575 kg | 2430 kg |
| Vehicle Length | 4630 mm | 5090 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1380 mm | 1850 mm |
| Wheelbase Size | 2760 mm | 3080 mm |
| Fuel Consumption Overall | 6.7 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 65 L | 100 L |
