2008 Audi A5 vs. 2009 Mercedes-Benz GL
To start off, 2009 Mercedes-Benz GL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A5. In addition, the cost of maintenance, including insurance, on 2008 Audi A5 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz GL (382 HP @ 6000 RPM) has 33 more horse power than 2008 Audi A5. (349 HP @ 7000 RPM) In normal driving conditions, 2009 Mercedes-Benz GL should accelerate faster than 2008 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz GL weights approximately 815 kg more than 2008 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (531 Nm @ 2800 RPM) has 91 more torque (in Nm) than 2008 Audi A5. (440 Nm @ 3500 RPM). This means 2009 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A5. 2009 Mercedes-Benz GL has automatic transmission and 2008 Audi A5 has manual transmission. 2008 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A5 | 2009 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | GL |
| Year Released | 2008 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5461 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 349 HP | 382 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 440 Nm | 531 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Bore Size | 84.5 mm | 98 mm |
| Engine Stroke Size | 93 mm | 90.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 6.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1630 kg | 2445 kg |
| Vehicle Length | 4640 mm | 5090 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1930 mm |
| Wheelbase Size | 2760 mm | 3080 mm |
| Fuel Consumption Overall | 12.6 L/100km | 14.1 L/100km |
| Fuel Tank Capacity | 64 L | 100 L |
