2007 Audi A3 vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 2,967 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (231 HP @ 4000 RPM) has 83 more horse power than 2007 Audi A3. (148 HP @ 6000 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 485 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A3. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 250 more torque (in Nm) than 2007 Audi A3. (200 Nm @ 3500 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | A3 | A8 |
| Year Released | 2007 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 231 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 200 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 91.4 mm |
| Engine Compression Ratio | 11.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 209 km/hour | 243 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 7.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1345 kg | 1830 kg |
| Vehicle Length | 4290 mm | 5060 mm |
| Vehicle Width | 1770 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2950 mm |
| Fuel Consumption Overall | 7.8 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
