2003 BMW 730 vs. 2006 Buick LaCrosse
To start off, 2006 Buick LaCrosse is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. At 3,786 cc (6 cylinders), 2006 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2003 BMW 730 (228 HP) has 28 more horse power than 2006 Buick LaCrosse. (200 HP). In normal driving conditions, 2003 BMW 730 should accelerate faster than 2006 Buick LaCrosse. With that said, vehicle weight also plays an important factor in acceleration. 2006 Buick LaCrosse weights approximately 160 kg more than 2003 BMW 730.
Because 2003 BMW 730 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 2003 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Buick LaCrosse (312 Nm @ 4000 RPM) has 12 more torque (in Nm) than 2003 BMW 730. (300 Nm @ 3500 RPM). This means 2006 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 730.
Compare all specifications:
| 2003 BMW 730 | 2006 Buick LaCrosse | |
| Make | BMW | Buick |
| Model | 730 | LaCrosse |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 200 HP |
| Torque | 300 Nm | 312 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 97 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.2:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1950 kg |
| Vehicle Length | 5040 mm | 5040 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 3000 mm | 2810 mm |
| Fuel Tank Capacity | 63 L | 64 L |
