2005 GMC Sierra vs. 2002 Proton Impian
To start off, 2005 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Proton Impian. In addition, the cost of maintenance, including insurance, on 2002 Proton Impian 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 238 more horse power than 2002 Proton Impian. (102 HP @ 6000 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2002 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1140 kg more than 2002 Proton Impian. 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 2002 Proton Impian. 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 376 more torque (in Nm) than 2002 Proton Impian. (140 Nm @ 2750 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2002 Proton Impian. 2005 GMC Sierra has automatic transmission and 2002 Proton Impian has manual transmission. 2002 Proton Impian 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 | 2002 Proton Impian | |
| Make | GMC | Proton |
| Model | Sierra | Impian |
| Year Released | 2005 | 2002 |
| Engine Size | 5964 cc | 1584 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 340 HP | 102 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 516 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 2345 kg | 1205 kg |
| Vehicle Length | 5740 mm | 4470 mm |
| Vehicle Width | 2000 mm | 1750 mm |
| Vehicle Height | 1910 mm | 1430 mm |
| Wheelbase Size | 3650 mm | 2610 mm |
