2003 Audi A3 vs. 2007 Mercedes-Benz GL
To start off, 2007 Mercedes-Benz GL is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A3. In addition, the cost of maintenance, including insurance, on 2003 Audi A3 would be higher. At 4,663 cc (8 cylinders), 2007 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (335 HP @ 6000 RPM) has 89 more horse power than 2003 Audi A3. (246 HP @ 6300 RPM) In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 2003 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 550 kg more than 2003 Audi A3. 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, 2007 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 150 more torque (in Nm) than 2003 Audi A3. (310 Nm @ 2500 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A3.
Compare all specifications:
| 2003 Audi A3 | 2007 Mercedes-Benz GL | |
| Make | Audi | Mercedes-Benz |
| Model | A3 | GL |
| Year Released | 2003 | 2007 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 3188 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 246 HP | 335 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 310 Nm | 460 Nm |
| Torque RPM | 2500 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 92.9 mm |
| Engine Stroke Size | 95.9 mm | 86 mm |
| Top Speed | 245 km/hour | 235 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 7.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1880 kg | 2430 kg |
| Vehicle Length | 4210 mm | 5090 mm |
| Vehicle Width | 1770 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2580 mm | 3080 mm |
| Fuel Tank Capacity | 55 L | 100 L |
