2009 Audi A8 vs. 2005 BMW 325
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 4,134 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (322 HP @ 3750 RPM) has 138 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 485 kg more than 2005 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, 2009 Audi A8 (650 Nm) has 413 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2009 Audi A8 | 2005 BMW 325 | |
| Make | Audi | BMW |
| Model | A8 | 325 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4134 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 184 HP |
| Engine RPM | 3750 RPM | 7400 RPM |
| Torque | 650 Nm | 237 Nm |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 75 mm |
| Engine Compression Ratio | 16.5:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1945 kg | 1460 kg |
| Vehicle Length | 5070 mm | 4480 mm |
| Vehicle Width | 1900 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2730 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
