2004 Audi A4 vs. 2004 Audi A8
To start off, both 2004 Audi A4 and 2004 Audi A8 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,976 cc (6 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (217 HP @ 6300 RPM) has 47 more horse power than 2004 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2004 Audi A8 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 50 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 (300 Nm) has 65 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 2004 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 2976 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 170 HP | 217 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 235 Nm | 300 Nm |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1700 kg |
| Vehicle Length | 4580 mm | 5060 mm |
| Vehicle Width | 1780 mm | 1900 mm |
| Vehicle Height | 1400 mm | 1450 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Overall | 9.1 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
