2009 Audi A4 vs. 2005 Audi A8
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 3,697 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 6000 RPM) has 84 more horse power than 2009 Audi A4. (187 HP @ 3500 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 125 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.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2005 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 A4 (400 Nm @ 1400 RPM) has 40 more torque (in Nm) than 2005 Audi A8. (360 Nm @ 3250 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8. 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:
2009 Audi A4 | 2005 Audi A8 | |
Make | Audi | Audi |
Model | A4 | A8 |
Year Released | 2009 | 2005 |
Body Type | Station Wagon | Sedan |
Engine Position | Front | Front |
Engine Size | 2697 cc | 3697 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 5 valves |
Horse Power | 187 HP | 271 HP |
Engine RPM | 3500 RPM | 6000 RPM |
Torque | 400 Nm | 360 Nm |
Torque RPM | 1400 RPM | 3250 RPM |
Engine Bore Size | 82.6 mm | 84.5 mm |
Engine Stroke Size | 84.1 mm | 82.4 mm |
Engine Compression Ratio | 17.5:1 | 11.0:1 |
Fuel Type | Diesel | Gasoline - Premium |
Acceleration 0-100mph | 8.3 seconds | 8.9 seconds |
Drive Type | Front | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 4 doors |
Vehicle Weight | 1645 kg | 1770 kg |
Vehicle Length | 4710 mm | 5060 mm |
Vehicle Width | 1830 mm | 1900 mm |
Vehicle Height | 1440 mm | 1450 mm |
Wheelbase Size | 2810 mm | 2890 mm |
Fuel Consumption Overall | 6.5 L/100km | 11.7 L/100km |
Fuel Tank Capacity | 65 L | 90 L |