2006 Buick LaCrosse vs. 2005 GMC Sierra
To start off, 2006 Buick LaCrosse is newer by 1 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 100 more horse power than 2006 Buick LaCrosse. (200 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2006 Buick LaCrosse. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 640 kg more than 2006 Buick LaCrosse. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra 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 2005 GMC Sierra. 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, 2005 GMC Sierra (488 Nm) has 176 more torque (in Nm) than 2006 Buick LaCrosse. (312 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick LaCrosse.
Compare all specifications:
| 2006 Buick LaCrosse | 2005 GMC Sierra | |
| Make | Buick | GMC |
| Model | LaCrosse | Sierra |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 200 HP | 300 HP |
| Torque | 312 Nm | 488 Nm |
| Engine Bore Size | 97 mm | 102.1 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 9.4:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1950 kg | 2590 kg |
| Vehicle Length | 5040 mm | 6030 mm |
| Vehicle Width | 1860 mm | 2030 mm |
| Vehicle Height | 1460 mm | 1960 mm |
| Wheelbase Size | 2810 mm | 3890 mm |
| Fuel Consumption | 7.8 L/100km | 12.4 L/100km |
| Fuel Consumption City | 11.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 64 L | 98 L |
