2008 Audi A3 vs. 2008 Audi A8
To start off, both 2008 Audi A3 and 2008 Audi A8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,967 cc (6 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (230 HP @ 4000 RPM) has 92 more horse power than 2008 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2008 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 415 kg more than 2008 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 2008 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 130 more torque (in Nm) than 2008 Audi A3. (320 Nm @ 1750 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2008 Audi A3 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | A3 | A8 |
| Year Released | 2008 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 230 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 1400 RPM |
| Engine Compression Ratio | 18.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 207 km/hour | 238 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 7.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1415 kg | 1830 kg |
| Vehicle Length | 4220 mm | 5190 mm |
| Vehicle Width | 1770 mm | 1900 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 3080 mm |
| Fuel Consumption Overall | 5.5 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
