2009 Audi A8 vs. 2013 Mercedes-Benz GL
To start off, 2013 Mercedes-Benz GL is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 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 7 more horse power than 2009 Audi A8. (350 HP @ 6800 RPM) In normal driving conditions, 2013 Mercedes-Benz GL should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz GL weights approximately 1261 kg more than 2009 Audi A8. 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 109 more torque (in Nm) than 2009 Audi A8. (441 Nm @ 3500 RPM). This means 2013 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 has automatic transmission and 2013 Mercedes-Benz GL has manual transmission. 2013 Mercedes-Benz GL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2013 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | GL |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4600 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 357 HP |
| Engine RPM | 6800 RPM | 5000 RPM |
| Torque | 441 Nm | 550 Nm |
| Torque RPM | 3500 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 | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1164 kg | 2425 kg |
| Vehicle Length | 5200 mm | 5120 mm |
| Vehicle Width | 1900 mm | 2141 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 3080 mm | 3075 mm |
| Fuel Consumption | 10.2 L/100km | 11.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 15.7 L/100km |
