2006 Audi A8 vs. 2004 BMW 325
To start off, 2006 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 4,172 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (329 HP @ 6500 RPM) has 140 more horse power than 2004 BMW 325. (189 HP @ 7400 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 145 kg more than 2004 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Audi A8 (430 Nm) has 193 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2006 Audi A8 | 2004 BMW 325 | |
| Make | Audi | BMW |
| Model | A8 | 325 |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2491 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 329 HP | 189 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 430 Nm | 237 Nm |
| Engine Bore Size | 84.6 mm | 84 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 1710 kg |
| Vehicle Length | 5060 mm | 4480 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 2950 mm | 2730 mm |
| Fuel Consumption Overall | 8.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
