2003 Audi A6 vs. 2002 Audi A4
To start off, 2003 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 2,391 cc (6 cylinders), 2002 Audi A4 is equipped with a bigger engine. In terms of performance, 2002 Audi A4 (168 HP @ 4000 RPM) has 19 more horse power than 2003 Audi A6. (149 HP @ 6000 RPM) In normal driving conditions, 2002 Audi A4 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A4 weights approximately 20 kg more than 2003 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Audi A4. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, 2002 Audi A4 (310 Nm @ 1400 RPM) has 75 more torque (in Nm) than 2003 Audi A6. (235 Nm @ 1750 RPM). This means 2002 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2002 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2003 | 2002 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 2391 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 149 HP | 168 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 235 Nm | 310 Nm |
| Torque RPM | 1750 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 78.3 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1560 kg |
| Vehicle Length | 4800 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 70 L |
