2009 Audi A8 vs. 2004 Volkswagen Passat
To start off, 2009 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Volkswagen Passat. In addition, the cost of maintenance, including insurance, on 2004 Volkswagen Passat would be higher. At 5,204 cc (10 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 7000 RPM) has 316 more horse power than 2004 Volkswagen Passat. (128 HP @ 4000 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2004 Volkswagen Passat. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 356 kg more than 2004 Volkswagen Passat. 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 Volkswagen Passat. 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 (540 Nm @ 3500 RPM) has 230 more torque (in Nm) than 2004 Volkswagen Passat. (310 Nm @ 1900 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Volkswagen Passat.
Compare all specifications:
| 2009 Audi A8 | 2004 Volkswagen Passat | |
| Make | Audi | Volkswagen |
| Model | A8 | Passat |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1901 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 128 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 540 Nm | 310 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 96 mm |
| Engine Compression Ratio | 12.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1584 kg |
| Vehicle Length | 5070 mm | 4690 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2950 mm | 2710 mm |
| Fuel Tank Capacity | 90 L | 62 L |
