2009 Audi A8 vs. 2008 Audi A4
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 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (322 HP @ 3750 RPM) has 67 more horse power than 2008 Audi A4. (255 HP @ 6500 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 635 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.
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 @ 1600 RPM) has 320 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 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:
2009 Audi A8 | 2008 Audi A4 | |
Make | Audi | Audi |
Model | A8 | A4 |
Year Released | 2009 | 2008 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 4134 cc | 3123 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 322 HP | 255 HP |
Engine RPM | 3750 RPM | 6500 RPM |
Torque | 650 Nm | 330 Nm |
Torque RPM | 1600 RPM | 3250 RPM |
Engine Compression Ratio | 16.5:1 | 12.5:1 |
Fuel Type | Diesel | Gasoline - Premium |
Drive Type | 4WD | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1945 kg | 1310 kg |
Vehicle Length | 5070 mm | 4580 mm |
Vehicle Width | 1900 mm | 1780 mm |
Vehicle Height | 1450 mm | 1400 mm |
Wheelbase Size | 2950 mm | 2660 mm |
Fuel Consumption Overall | 9.4 L/100km | 11.8 L/100km |
Fuel Tank Capacity | 90 L | 63 L |