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 2,491 cc (6 cylinders), 2004 BMW 325 is equipped with a bigger engine. In terms of performance, 2004 BMW 325 (189 HP @ 7400 RPM) has 51 more horse power than 2007 Audi A6. (138 HP @ 4000 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. 2004 BMW 325 weights approximately 432 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A6 (320 Nm) has 83 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 | 1968 cc | 2491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 189 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 320 Nm | 237 Nm |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 75 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1278 kg | 1710 kg |
| Vehicle Length | 4800 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Consumption Overall | 9.9 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
