2011 Mercedes-Benz S vs. 2012 Buick Regal
To start off, 2012 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2011 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2011 Mercedes-Benz S would be higher. At 5,500 cc (12 cylinders), 2011 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz S (510 HP @ 5000 RPM) has 290 more horse power than 2012 Buick Regal. (220 HP @ 5300 RPM). In normal driving conditions, 2011 Mercedes-Benz S should accelerate faster than 2012 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz S weights approximately 580 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 2011 Mercedes-Benz S 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 2011 Mercedes-Benz S. 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, 2011 Mercedes-Benz S (829 Nm @ 1800 RPM) has 477 more torque (in Nm) than 2012 Buick Regal. (352 Nm @ 2000 RPM). This means 2011 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2012 Buick Regal.
Compare all specifications:
| 2011 Mercedes-Benz S | 2012 Buick Regal | |
| Make | Mercedes-Benz | Buick |
| Model | S | Regal |
| Year Released | 2011 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5500 cc | 2000 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 510 HP | 220 HP |
| Engine RPM | 5000 RPM | 5300 RPM |
| Torque | 829 Nm | 352 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Fuel Type | Gasoline | 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 | 2245 kg | 1665 kg |
| Vehicle Length | 5245 mm | 4831 mm |
| Vehicle Width | 1872 mm | 1857 mm |
| Vehicle Height | 1473 mm | 1483 mm |
| Wheelbase Size | 3165 mm | 2738 mm |
| Fuel Consumption Highway | 12.4 L/100km | 8.1 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
