2004 Audi A8 3.0 TDi Quattro vs. 2004 Audi A8 4.2 Quattro
To start off, both 2004 Audi A8 3.0 TDi Quattro and 2004 Audi A8 4.2 Quattro were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2004 Audi A8 4.2 Quattro is equipped with a bigger engine. In terms of performance, 2004 Audi A8 4.2 Quattro (330 HP @ 6500 RPM) has 100 more horse power than 2004 Audi A8 3.0 TDi Quattro. (230 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A8 4.2 Quattro should accelerate faster than 2004 Audi A8 3.0 TDi Quattro. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 3.0 TDi Quattro weights approximately 54 kg more than 2004 Audi A8 4.2 Quattro.
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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2004 Audi A8 3.0 TDi Quattro | 2004 Audi A8 4.2 Quattro | |
| Make | Audi | Audi |
| Model | A8 | A8 |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 230 HP | 330 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 450 Nm | 450 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 91.4 mm | 93 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.8 seconds | 6.3 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 | 1830 kg | 1776 kg |
| Vehicle Length | 5060 mm | 5060 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 2950 mm | 2950 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
