2005 Audi A8 vs. 2004 Audi A8
To start off, 2005 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 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 41 more horse power than 2004 Audi A8. (230 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 60 kg more than 2005 Audi A8.
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, 2004 Audi A8 (450 Nm @ 1400 RPM) has 90 more torque (in Nm) than 2005 Audi A8. (360 Nm @ 3250 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2005 Audi A8 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | A8 | A8 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2966 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 271 HP | 230 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 360 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 82.4 mm | 91.4 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 8.9 seconds | 7.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1830 kg |
| Vehicle Length | 5060 mm | 5060 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
| Fuel Consumption Overall | 11.7 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
