2006 BMW 325 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 325. In addition, the cost of maintenance, including insurance, on 2006 BMW 325 would be higher. At 3,001 cc, 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (318 HP @ 5800 RPM) has 103 more horse power than 2006 BMW 325. (215 HP @ 6250 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2006 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 10 kg more than 2012 BMW 640.
Because 2006 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 640. In wet, icy, snow, or gravel driving conditions, 2006 BMW 325 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2012 BMW 640 (450 Nm @ 1300 RPM) has 199 more torque (in Nm) than 2006 BMW 325. (251 Nm @ 2750 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325. 2012 BMW 640 has automatic transmission and 2006 BMW 325 has manual transmission. 2006 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 325 | 2012 BMW 640 | |
| Make | BMW | BMW |
| Model | 325 | 640 |
| Year Released | 2006 | 2012 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3001 cc | 2979 cc |
| Horse Power | 215 HP | 318 HP |
| Engine RPM | 6250 RPM | 5800 RPM |
| Torque | 251 Nm | 450 Nm |
| Torque RPM | 2750 RPM | 1300 RPM |
| Engine Bore Size | 85.1 mm | 89.6 mm |
| Engine Stroke Size | 87.9 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 209 km/hour | 250 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1825 kg |
| Vehicle Length | 4530 mm | 5007 mm |
| Vehicle Width | 1820 mm | 1894 mm |
| Vehicle Height | 1420 mm | 1392 mm |
| Wheelbase Size | 2770 mm | 2968 mm |
| Fuel Consumption Highway | 8.4 L/100km | 6.1 L/100km |
| Fuel Consumption City | 12.4 L/100km | 10.6 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
