2009 Audi A8 vs. 2004 Audi A4
To start off, 2009 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 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 112 more horse power than 2004 Audi A4. (160 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 410 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 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 A8 (650 Nm @ 1800 RPM) has 340 more torque (in Nm) than 2004 Audi A4. (310 Nm @ 1400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
2009 Audi A8 | 2004 Audi A4 | |
Make | Audi | Audi |
Model | A8 | A4 |
Year Released | 2009 | 2004 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 3936 cc | 2496 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 272 HP | 160 HP |
Engine RPM | 3750 RPM | 4000 RPM |
Torque | 650 Nm | 310 Nm |
Torque RPM | 1800 RPM | 1400 RPM |
Engine Bore Size | 81 mm | 78.4 mm |
Engine Stroke Size | 95.5 mm | 86.4 mm |
Engine Compression Ratio | 18.0:1 | 18.0:1 |
Fuel Type | Diesel | Diesel |
Acceleration 0-100mph | 6.8 seconds | 8.9 seconds |
Drive Type | 4WD | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1940 kg | 1530 kg |
Vehicle Length | 5190 mm | 4590 mm |
Vehicle Width | 1900 mm | 1780 mm |
Vehicle Height | 1460 mm | 1430 mm |
Wheelbase Size | 3080 mm | 2430 mm |
Fuel Consumption Overall | 9.6 L/100km | 6.8 L/100km |
Fuel Tank Capacity | 90 L | 70 L |