2006 Cadillac STS vs. 2012 Buick Regal
To start off, 2012 Buick Regal is newer by 6 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 33 more horse power than 2012 Buick Regal. (220 HP @ 5300 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2012 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 117 kg more than 2012 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2012 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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, 2012 Buick Regal (352 Nm @ 2000 RPM) has 10 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2012 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2012 Buick Regal | |
| Make | Cadillac | Buick |
| Model | STS | Regal |
| Year Released | 2006 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 2000 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 220 HP |
| Engine RPM | 6500 RPM | 5300 RPM |
| Torque | 342 Nm | 352 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1665 kg |
| Vehicle Length | 4990 mm | 4831 mm |
| Vehicle Width | 1850 mm | 1857 mm |
| Vehicle Height | 1470 mm | 1483 mm |
| Wheelbase Size | 2960 mm | 2738 mm |
| Fuel Consumption Highway | 8.7 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 66 L | 68 L |
