2007 Audi A6 vs. 2004 BMW 325
To start off, 2007 Audi A6 is newer by 3 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 3,698 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (184 HP @ 7250 RPM) has 6 more horse power than 2007 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2004 BMW 325 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 60 kg more than 2004 BMW 325.
Let's talk about torque, 2007 Audi A6 (380 Nm) has 143 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2007 Audi A6 | 2004 BMW 325 | |
| Make | Audi | BMW |
| Model | A6 | 325 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3698 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 184 HP |
| Engine RPM | 3300 RPM | 7250 RPM |
| Torque | 380 Nm | 237 Nm |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 83.1 mm | 75 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1655 kg | 1595 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 1470 mm | 1750 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
