2003 Smart Roadster vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Smart Roadster. In addition, the cost of maintenance, including insurance, on 2003 Smart Roadster would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 217 more horse power than 2003 Smart Roadster. (81 HP @ 5250 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2003 Smart Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1425 kg more than 2003 Smart Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 304 more torque (in Nm) than 2003 Smart Roadster. (110 Nm @ 2250 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Smart Roadster. 2013 GMC Sierra has automatic transmission and 2003 Smart Roadster has manual transmission. 2003 Smart Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Smart Roadster | 2013 GMC Sierra | |
| Make | Smart | GMC |
| Model | Roadster | Sierra |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Rear | Front |
| Engine Size | 698 cc | 4800 cc |
| Engine Cylinders | 3 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 81 HP | 298 HP |
| Engine RPM | 5250 RPM | 5600 RPM |
| Torque | 110 Nm | 414 Nm |
| Torque RPM | 2250 RPM | 4600 RPM |
| Engine Bore Size | 66.5 mm | 96 mm |
| Engine Stroke Size | 67 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 885 kg | 2310 kg |
| Vehicle Length | 3430 mm | 5847 mm |
| Vehicle Width | 1620 mm | 2031 mm |
| Vehicle Height | 1200 mm | 1877 mm |
| Wheelbase Size | 2370 mm | 3645 mm |
