1999 AC Cobra vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1999 AC Cobra. In addition, the cost of maintenance, including insurance, on 1999 AC Cobra would be higher. At 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 131 more horse power than 1999 AC Cobra. (222 HP @ 4200 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1999 AC Cobra. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1116 kg more than 1999 AC Cobra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Cobra. In wet, icy, snow, or gravel driving conditions, 2011 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, 1999 AC Cobra (522 Nm) has 16 more torque (in Nm) than 2011 GMC Sierra. (506 Nm). This means 1999 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2011 GMC Sierra. 2011 GMC Sierra has automatic transmission and 1999 AC Cobra has manual transmission. 1999 AC Cobra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 AC Cobra | 2011 GMC Sierra | |
| Make | AC | GMC |
| Model | Cobra | Sierra |
| Year Released | 1999 | 2011 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4941 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 222 HP | 353 HP |
| Engine RPM | 4200 RPM | 5400 RPM |
| Torque | 522 Nm | 506 Nm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1025 kg | 2141 kg |
| Vehicle Length | 4210 mm | 6580 mm |
| Vehicle Width | 1750 mm | 2040 mm |
| Vehicle Height | 1210 mm | 1960 mm |
| Wheelbase Size | 2300 mm | 4250 mm |
| Fuel Tank Capacity | 90 L | 129 L |
