2012 Buick LaCrosse vs. 2007 BMW 645
To start off, 2012 Buick LaCrosse is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 146 more horse power than 2012 Buick LaCrosse. (182 HP @ 6700 RPM) In normal driving conditions, 2007 BMW 645 should accelerate faster than 2012 Buick LaCrosse. With that said, vehicle weight also plays an important factor in acceleration. 2012 Buick LaCrosse weights approximately 50 kg more than 2007 BMW 645.
Because 2007 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2012 Buick LaCrosse, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 217 more torque (in Nm) than 2012 Buick LaCrosse. (233 Nm @ 4900 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 Buick LaCrosse.
Compare all specifications:
| 2012 Buick LaCrosse | 2007 BMW 645 | |
| Make | Buick | BMW |
| Model | LaCrosse | 645 |
| Year Released | 2012 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2400 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 328 HP |
| Engine RPM | 6700 RPM | 6100 RPM |
| Torque | 233 Nm | 450 Nm |
| Torque RPM | 4900 RPM | 3600 RPM |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | 6-speed shiftable automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1690 kg |
| Vehicle Length | 5001 mm | 4830 mm |
| Vehicle Width | 1857 mm | 1860 mm |
| Vehicle Height | 1504 mm | 1380 mm |
| Wheelbase Size | 2837 mm | 2790 mm |
| Fuel Tank Capacity | 59 L | 70 L |
