2008 Cadillac STS vs. 2011 Ford Shelby GT 500
To start off, 2011 Ford Shelby GT 500 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 5,400 cc (8 cylinders), 2011 Ford Shelby GT 500 is equipped with a bigger engine. In terms of performance, 2011 Ford Shelby GT 500 (550 HP @ 6200 RPM) has 248 more horse power than 2008 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 2011 Ford Shelby GT 500 should accelerate faster than 2008 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2011 Ford Shelby GT 500 weights approximately 240 kg more than 2008 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2011 Ford Shelby GT 500. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS 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, 2011 Ford Shelby GT 500 (691 Nm @ 4250 RPM) has 322 more torque (in Nm) than 2008 Cadillac STS. (369 Nm @ 5200 RPM). This means 2011 Ford Shelby GT 500 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS. 2008 Cadillac STS has automatic transmission and 2011 Ford Shelby GT 500 has manual transmission. 2011 Ford Shelby GT 500 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2011 Ford Shelby GT 500 | |
| Make | Cadillac | Ford |
| Model | STS | Shelby GT 500 |
| Year Released | 2008 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 5400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 550 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 369 Nm | 691 Nm |
| Torque RPM | 5200 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1800 kg |
| Vehicle Length | 5000 mm | 4780 mm |
| Vehicle Width | 1850 mm | 1877 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2960 mm | 2720 mm |
| Fuel Consumption | 9.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 64 L | 61 L |
