2008 GMC Sierra vs. 2006 Subaru Legacy
To start off, 2008 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2006 Subaru Legacy would be higher. At 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 190 more horse power than 2006 Subaru Legacy. (163 HP @ 6800 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2006 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 1269 kg more than 2006 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 319 more torque (in Nm) than 2006 Subaru Legacy. (187 Nm @ 3200 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Subaru Legacy.
Compare all specifications:
| 2008 GMC Sierra | 2006 Subaru Legacy | |
| Make | GMC | Subaru |
| Model | Sierra | Legacy |
| Year Released | 2008 | 2006 |
| Body Type | Pickup | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 1992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 163 HP |
| Engine RPM | 5400 RPM | 6800 RPM |
| Torque | 506 Nm | 187 Nm |
| Torque RPM | 4400 RPM | 3200 RPM |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2659 kg | 1390 kg |
| Vehicle Length | 5720 mm | 4730 mm |
| Vehicle Width | 2440 mm | 1740 mm |
| Vehicle Height | 1960 mm | 1480 mm |
| Wheelbase Size | 3380 mm | 2680 mm |
| Fuel Consumption Overall | 13.8 L/100km | 9 L/100km |
| Fuel Tank Capacity | 129 L | 64 L |
