2005 Audi A8 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,134 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (322 HP @ 3750 RPM) has 85 more horse power than 2009 Audi A4. (237 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 250 kg more than 2009 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, 2005 Audi A8 (650 Nm @ 1600 RPM) has 150 more torque (in Nm) than 2009 Audi A4. (500 Nm @ 1500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2005 Audi A8 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Audi A8 | 2009 Audi A4 | |
Make | Audi | Audi |
Model | A8 | A4 |
Year Released | 2005 | 2009 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4134 cc | 2965 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 322 HP | 237 HP |
Engine RPM | 3750 RPM | 4000 RPM |
Torque | 650 Nm | 500 Nm |
Torque RPM | 1600 RPM | 1500 RPM |
Engine Bore Size | 83 mm | 83 mm |
Engine Stroke Size | 95.5 mm | 91.4 mm |
Engine Compression Ratio | 16.5:1 | 16.8:1 |
Fuel Type | Diesel | Diesel |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 6.2 seconds | 6.3 seconds |
Drive Type | 4WD | 4WD |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1945 kg | 1695 kg |
Vehicle Length | 5070 mm | 4710 mm |
Vehicle Width | 1900 mm | 1830 mm |
Vehicle Height | 1450 mm | 1440 mm |
Wheelbase Size | 2950 mm | 2810 mm |
Fuel Consumption Overall | 9.4 L/100km | 7.1 L/100km |
Fuel Tank Capacity | 90 L | 64 L |