2005 Buick Regal vs. 2013 Cadillac ATS
To start off, 2013 Cadillac ATS is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Buick Regal. In addition, the cost of maintenance, including insurance, on 2005 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2013 Cadillac ATS (317 HP @ 6800 RPM) has 120 more horse power than 2005 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2013 Cadillac ATS should accelerate faster than 2005 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2013 Cadillac ATS weights approximately 10 kg more than 2005 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Cadillac ATS 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 2013 Cadillac ATS. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2013 Cadillac ATS (373 Nm @ 4800 RPM) has 62 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2013 Cadillac ATS will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
| 2005 Buick Regal | 2013 Cadillac ATS | |
| Make | Buick | Cadillac |
| Model | Regal | ATS |
| Year Released | 2005 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 317 HP |
| Engine RPM | 5200 RPM | 6800 RPM |
| Torque | 311 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 97 mm | 94 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 11.5 |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1570 kg |
| Vehicle Length | 4990 mm | 4643 mm |
| Vehicle Width | 1850 mm | 1806 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2780 mm | 2776 mm |
| Fuel Tank Capacity | 64 L | 61 L |
