2005 GMC Sierra vs. 2011 Ford Flex
To start off, 2011 Ford Flex is newer by 6 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 5,964 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (340 HP @ 5200 RPM) has 78 more horse power than 2011 Ford Flex. (262 HP @ 6250 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2011 Ford Flex. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 317 kg more than 2011 Ford Flex. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Ford Flex. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (516 Nm @ 4000 RPM) has 180 more torque (in Nm) than 2011 Ford Flex. (336 Nm @ 4500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Ford Flex.
Compare all specifications:
| 2005 GMC Sierra | 2011 Ford Flex | |
| Make | GMC | Ford |
| Model | Sierra | Flex |
| Year Released | 2005 | 2011 |
| Body Type | Pickup | Crossover |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 262 HP |
| Engine RPM | 5200 RPM | 6250 RPM |
| Torque | 516 Nm | 336 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 2345 kg | 2028 kg |
| Vehicle Length | 5740 mm | 5126 mm |
| Vehicle Width | 2000 mm | 1928 mm |
| Vehicle Height | 1910 mm | 1727 mm |
| Wheelbase Size | 3650 mm | 2995 mm |
