2007 Chevrolet Optra vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Chevrolet Optra. In addition, the cost of maintenance, including insurance, on 2007 Chevrolet Optra would be higher. At 6,000 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (364 HP @ 5400 RPM) has 244 more horse power than 2007 Chevrolet Optra. (120 HP @ 5800 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2007 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 1448 kg more than 2007 Chevrolet Optra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Chevrolet Optra. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 GMC Sierra (506 Nm @ 4400 RPM) has 341 more torque (in Nm) than 2007 Chevrolet Optra. (165 Nm @ 4000 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Chevrolet Optra. 2010 GMC Sierra has automatic transmission and 2007 Chevrolet Optra has manual transmission. 2007 Chevrolet Optra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Chevrolet Optra | 2010 GMC Sierra | |
| Make | Chevrolet | GMC |
| Model | Optra | Sierra |
| Year Released | 2007 | 2010 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 6000 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 120 HP | 364 HP |
| Engine RPM | 5800 RPM | 5400 RPM |
| Torque | 165 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Compression Ratio | 9.8:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1211 kg | 2659 kg |
| Vehicle Length | 4510 mm | 5710 mm |
| Vehicle Width | 1730 mm | 2040 mm |
| Vehicle Height | 1450 mm | 1940 mm |
| Wheelbase Size | 2610 mm | 3380 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 60 L | 129 L |
