2005 GMC Sierra vs. 2011 Chevrolet Optra
To start off, 2011 Chevrolet Optra 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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP) has 213 more horse power than 2011 Chevrolet Optra. (108 HP). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2011 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Chevrolet Optra weights approximately 115 kg more than 2005 GMC Sierra.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2011 Chevrolet Optra. 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 (370 Nm @ 4000 RPM) has 219 more torque (in Nm) than 2011 Chevrolet Optra. (151 Nm @ 4000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet Optra. 2005 GMC Sierra has automatic transmission and 2011 Chevrolet Optra has manual transmission. 2011 Chevrolet Optra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2011 Chevrolet Optra | |
| Make | GMC | Chevrolet |
| Model | Sierra | Optra |
| Year Released | 2005 | 2011 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 108 HP |
| Torque | 370 Nm | 151 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 2385 kg |
| Vehicle Length | 5790 mm | 4510 mm |
| Vehicle Width | 2000 mm | 1730 mm |
| Vehicle Height | 1850 mm | 1450 mm |
| Wheelbase Size | 3650 mm | 2610 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 117 L | 60 L |
