2005 Audi A4 vs. 2009 Audi A8
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 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 227 more horse power than 2005 Audi A4. (217 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 297 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.
Let's talk about torque, 2009 Audi A8 (580 Nm) has 280 more torque (in Nm) than 2005 Audi A4. (300 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:
2005 Audi A4 | 2009 Audi A8 | |
Make | Audi | Audi |
Model | A4 | A8 |
Year Released | 2005 | 2009 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 2976 cc | 5998 cc |
Engine Type | V | W |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 217 HP | 444 HP |
Engine RPM | 4000 RPM | 6200 RPM |
Torque | 300 Nm | 580 Nm |
Engine Bore Size | 83 mm | 84 mm |
Engine Stroke Size | 93 mm | 90.2 mm |
Engine Compression Ratio | 10.1:1 | 11.0:1 |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1698 kg | 1995 kg |
Vehicle Length | 4580 mm | 5190 mm |
Vehicle Width | 1780 mm | 1900 mm |
Vehicle Height | 1400 mm | 1460 mm |
Wheelbase Size | 2660 mm | 3080 mm |
Fuel Consumption Overall | 10.2 L/100km | 13.8 L/100km |
Fuel Tank Capacity | 70 L | 90 L |