2003 AC Cobra vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 AC Cobra. In addition, the cost of maintenance, including insurance, on 2003 AC Cobra would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 AC Cobra (350 HP) has 65 more horse power than 2005 GMC Sierra. (285 HP). In normal driving conditions, 2003 AC Cobra should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1255 kg more than 2003 AC Cobra.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 AC Cobra. 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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 AC Cobra | 2005 GMC Sierra | |
| Make | AC | GMC |
| Model | Cobra | Sierra |
| Year Released | 2003 | 2005 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 4802 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 350 HP | 285 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 83 mm | 96.1 mm |
| Engine Stroke Size | 81 mm | 83 mm |
| Engine Compression Ratio | 8.0:1 | 9.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1062 kg | 2317 kg |
| Vehicle Length | 4210 mm | 5710 mm |
| Vehicle Width | 1750 mm | 2000 mm |
| Vehicle Height | 1210 mm | 1880 mm |
| Wheelbase Size | 2300 mm | 3380 mm |
