2009 GMC Acadia vs. 2006 GMC Sierra
To start off, 2009 GMC Acadia is newer by 3 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 4,293 cc (6 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Acadia (288 HP @ 6300 RPM) has 93 more horse power than 2006 GMC Sierra. (195 HP @ 4600 RPM). In normal driving conditions, 2009 GMC Acadia should accelerate faster than 2006 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 118 kg more than 2006 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 GMC Acadia. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra 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, 2009 GMC Acadia (366 Nm @ 3400 RPM) has 13 more torque (in Nm) than 2006 GMC Sierra. (353 Nm @ 2800 RPM). This means 2009 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2009 GMC Acadia | 2006 GMC Sierra | |
| Make | GMC | GMC |
| Model | Acadia | Sierra |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 288 HP | 195 HP |
| Engine RPM | 6300 RPM | 4600 RPM |
| Torque | 366 Nm | 353 Nm |
| Torque RPM | 3400 RPM | 2800 RPM |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 8 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2435 kg | 2317 kg |
| Vehicle Length | 5100 mm | 5710 mm |
| Vehicle Width | 1990 mm | 2000 mm |
| Vehicle Height | 1780 mm | 1810 mm |
| Wheelbase Size | 3030 mm | 3380 mm |
| Fuel Consumption | 9.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 83 L | 129 L |
