2003 Ariel Atom vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Ariel Atom. In addition, the cost of maintenance, including insurance, on 2003 Ariel Atom would be higher. At 6,199 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (403 HP @ 5700 RPM) has 294 more horse power than 2003 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2003 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 2197 kg more than 2003 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ariel Atom. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 GMC Sierra (565 Nm @ 4300 RPM) has 417 more torque (in Nm) than 2003 Ariel Atom. (148 Nm @ 3000 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Ariel Atom. 2009 GMC Sierra has automatic transmission and 2003 Ariel Atom has manual transmission. 2003 Ariel Atom will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Ariel Atom | 2009 GMC Sierra | |
| Make | Ariel | GMC |
| Model | Atom | Sierra |
| Year Released | 2003 | 2009 |
| Body Type | Roadster | Pickup |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 6199 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 109 HP | 403 HP |
| Engine RPM | 5000 RPM | 5700 RPM |
| Torque | 148 Nm | 565 Nm |
| Torque RPM | 3000 RPM | 4300 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 462 kg | 2659 kg |
| Vehicle Length | 3420 mm | 5850 mm |
| Vehicle Width | 1800 mm | 2040 mm |
| Vehicle Height | 1200 mm | 1880 mm |
| Wheelbase Size | 2350 mm | 3650 mm |
