2009 Audi A8 vs. 2005 Audi A4
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 98 more horse power than 2005 Audi A4. (174 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 345 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2009 Audi A8 (650 Nm) has 420 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
2009 Audi A8 | 2005 Audi A4 | |
Make | Audi | Audi |
Model | A8 | A4 |
Year Released | 2009 | 2005 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 3936 cc | 1785 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 5 valves |
Horse Power | 272 HP | 174 HP |
Engine RPM | 3750 RPM | 4000 RPM |
Torque | 650 Nm | 230 Nm |
Engine Bore Size | 81 mm | 81 mm |
Engine Stroke Size | 95.5 mm | 86 mm |
Engine Compression Ratio | 18.0:1 | 9.3:1 |
Drive Type | 4WD | 4WD |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1940 kg | 1595 kg |
Vehicle Length | 5190 mm | 4550 mm |
Vehicle Width | 1900 mm | 1770 mm |
Vehicle Height | 1460 mm | 1430 mm |
Wheelbase Size | 3080 mm | 2660 mm |
Fuel Consumption Overall | 9.6 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 90 L | 63 L |