2005 GMC Sierra vs. 2006 Smart Roadster
To start off, 2006 Smart Roadster is newer by 1 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 240 more horse power than 2006 Smart Roadster. (100 HP @ 5250 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2006 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1380 kg more than 2006 Smart Roadster. 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 2006 Smart Roadster. 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 386 more torque (in Nm) than 2006 Smart Roadster. (130 Nm @ 2500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Smart Roadster. 2005 GMC Sierra has automatic transmission and 2006 Smart Roadster has manual transmission. 2006 Smart Roadster 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 | 2006 Smart Roadster | |
| Make | GMC | Smart |
| Model | Sierra | Roadster |
| Year Released | 2005 | 2006 |
| Body Type | Pickup | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 5964 cc | 696 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 340 HP | 100 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 516 Nm | 130 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 102 mm | 66.5 mm |
| Engine Stroke Size | 92 mm | 67 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 2345 kg | 965 kg |
| Vehicle Length | 5740 mm | 3430 mm |
| Vehicle Width | 2000 mm | 1620 mm |
| Vehicle Height | 1910 mm | 1200 mm |
| Wheelbase Size | 3650 mm | 2370 mm |
