2003 Audi A8 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 2,974 cc (6 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (216 HP @ 6300 RPM) has 19 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 40 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2003 Audi A8 (300 Nm @ 3200 RPM) has 20 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2003 Audi A8 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 216 HP | 197 HP |
| Engine RPM | 6300 RPM | 5100 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 3200 RPM | 1800 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Top Speed | 242 km/hour | 238 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1630 kg |
| Vehicle Length | 5060 mm | 4580 mm |
| Vehicle Width | 1900 mm | 1400 mm |
| Vehicle Height | 1450 mm | 1780 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
