2008 Audi A4 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 194 more horse power than 2008 Audi A4. (250 HP @ 5700 RPM) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 550 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 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (540 Nm @ 3500 RPM) has 345 more torque (in Nm) than 2008 Audi A4. (195 Nm @ 3300 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
2008 Audi A4 | 2009 Audi A8 | |
Make | Audi | Audi |
Model | A4 | A8 |
Year Released | 2008 | 2009 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1984 cc | 5204 cc |
Engine Cylinders | 4 cylinders | 10 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 250 HP | 444 HP |
Engine RPM | 5700 RPM | 7000 RPM |
Torque | 195 Nm | 540 Nm |
Torque RPM | 3300 RPM | 3500 RPM |
Engine Bore Size | 82.5 mm | 84.5 mm |
Engine Stroke Size | 92.8 mm | 92.8 mm |
Engine Compression Ratio | 10.3:1 | 12.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 205 km/hour | 250 km/hour |
Acceleration 0-100mph | 10.4 seconds | 5.1 seconds |
Drive Type | Front | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1390 kg | 1940 kg |
Vehicle Length | 4180 mm | 5070 mm |
Vehicle Height | 1560 mm | 1430 mm |
Wheelbase Size | 2650 mm | 2950 mm |
Fuel Consumption Overall | 7.9 L/100km | 15.8 L/100km |
Fuel Tank Capacity | 70 L | 90 L |