2008 Audi A4 vs. 2013 Mercedes-Benz GL
To start off, 2013 Mercedes-Benz GL is newer by 5 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 4,600 cc (8 cylinders), 2013 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz GL (357 HP @ 5000 RPM) has 102 more horse power than 2008 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2013 Mercedes-Benz GL should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz GL weights approximately 1265 kg more than 2008 Audi A4. 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, 2013 Mercedes-Benz GL (550 Nm @ 4000 RPM) has 220 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 RPM). This means 2013 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2013 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | GL |
| Year Released | 2008 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 357 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 330 Nm | 550 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 2425 kg |
| Vehicle Length | 4590 mm | 5120 mm |
| Vehicle Width | 1780 mm | 2141 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2660 mm | 3075 mm |
| Fuel Consumption | 9.4 L/100km | 11.1 L/100km |
| Fuel Consumption City | 15.7 L/100km | 15.7 L/100km |
