2004 Audi A8 vs. 2005 Volkswagen Passat
To start off, 2005 Volkswagen Passat 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 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 89 more horse power than 2005 Volkswagen Passat. (128 HP @ 4000 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2005 Volkswagen Passat. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 332 kg more than 2005 Volkswagen Passat. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Volkswagen Passat is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A8. In wet, icy, snow, or gravel driving conditions, 2005 Volkswagen Passat 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, 2005 Volkswagen Passat (310 Nm @ 1900 RPM) has 10 more torque (in Nm) than 2004 Audi A8. (300 Nm @ 3200 RPM). This means 2005 Volkswagen Passat will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2005 Volkswagen Passat | |
| Make | Audi | Volkswagen |
| Model | A8 | Passat |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 217 HP | 128 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 300 Nm | 310 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Engine Bore Size | 82.5 mm | 79.5 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 11.0:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1368 kg |
| Vehicle Length | 5060 mm | 4710 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 12.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 62 L |
