2006 Buick LaCrosse vs. 2003 Subaru Legacy
To start off, 2006 Buick LaCrosse is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 3,786 cc (6 cylinders), 2006 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2006 Buick LaCrosse (200 HP) has 38 more horse power than 2003 Subaru Legacy. (162 HP). In normal driving conditions, 2006 Buick LaCrosse should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2006 Buick LaCrosse weights approximately 570 kg more than 2003 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2006 Buick LaCrosse. In wet, icy, snow, or gravel driving conditions, 2003 Subaru Legacy 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, 2006 Buick LaCrosse (312 Nm @ 4000 RPM) has 86 more torque (in Nm) than 2003 Subaru Legacy. (226 Nm @ 4400 RPM). This means 2006 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2006 Buick LaCrosse | 2003 Subaru Legacy | |
| Make | Buick | Subaru |
| Model | LaCrosse | Legacy |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 2457 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 162 HP |
| Torque | 312 Nm | 226 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1380 kg |
| Vehicle Length | 5040 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2810 mm | 2680 mm |
| Fuel Consumption Highway | 7.8 L/100km | 6.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 11.4 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
