2004 Audi A4 vs. 2003 Audi A6
To start off, 2004 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,967 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (250 HP @ 6000 RPM) has 49 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 110 kg more than 2004 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 112 more torque (in Nm) than 2003 Audi A6. (339 Nm @ 1800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2003 Audi A6 has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2003 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2669 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 201 HP | 250 HP |
| Engine RPM | 3500 RPM | 6000 RPM |
| Torque | 451 Nm | 339 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 91.4 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 246 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1610 kg | 1720 kg |
| Vehicle Length | 4590 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2430 mm | 2770 mm |
| Fuel Consumption Overall | 7.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
