2007 Audi A4 vs. 2003 Mercedes-Benz A
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz A would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 172 more horse power than 2003 Mercedes-Benz A. (80 HP @ 5000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2003 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 522 kg more than 2003 Mercedes-Benz A. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz A. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 200 more torque (in Nm) than 2003 Mercedes-Benz A. (130 Nm @ 3750 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mercedes-Benz A.
Compare all specifications:
| 2007 Audi A4 | 2003 Mercedes-Benz A | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | A |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1397 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 252 HP | 80 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 330 Nm | 130 Nm |
| Torque RPM | 3250 RPM | 3750 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 69.5 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1542 kg | 1020 kg |
| Vehicle Length | 4590 mm | 3790 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1590 mm |
| Wheelbase Size | 2650 mm | 2600 mm |
| Fuel Tank Capacity | 63 L | 54 L |
