2003 Audi A8 vs. 2008 Audi A4
To start off, 2008 Audi A4 is newer by 5 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 29 more horse power than 2008 Audi A4. (187 HP @ 5700 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 140 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A8. In wet, icy, snow, or gravel driving conditions, 2008 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, 2003 Audi A8 (300 Nm @ 3200 RPM) has 60 more torque (in Nm) than 2008 Audi A4. (240 Nm @ 1950 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2003 Audi A8 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A8 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 1779 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 216 HP | 187 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 300 Nm | 240 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Top Speed | 242 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1530 kg |
| Vehicle Length | 5060 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 90 L | 66 L |
