2005 BMW 325 vs. 2013 BMW M6
To start off, 2013 BMW M6 is newer by 8 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 4,395 cc (8 cylinders), 2013 BMW M6 is equipped with a bigger engine. In terms of performance, 2013 BMW M6 (552 HP @ 6000 RPM) has 368 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM) In normal driving conditions, 2013 BMW M6 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M6 weights approximately 470 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, 2013 BMW M6 (678 Nm) has 441 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2013 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2013 BMW M6 | |
| Make | BMW | BMW |
| Model | 325 | M6 |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 552 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 237 Nm | 678 Nm |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0 :1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1460 kg | 1930 kg |
| Vehicle Length | 4480 mm | 4903 mm |
| Vehicle Width | 1750 mm | 2106 mm |
| Vehicle Height | 1420 mm | 1374 mm |
| Wheelbase Size | 2730 mm | 2851 mm |
| Fuel Consumption | 8.1 L/100km | 8.6 L/100km |
| Fuel Consumption City | 11.8 L/100km | 13.2 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
