2009 Mercedes-Benz S vs. 2012 Buick Regal
To start off, 2012 Buick Regal is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz S would be higher. At 5,460 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 200 more horse power than 2012 Buick Regal. (182 HP @ 6700 RPM). In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2012 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2012 Buick Regal weights approximately 268 kg more than 2009 Mercedes-Benz S.
Because 2009 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2012 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz S 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, 2009 Mercedes-Benz S (530 Nm @ 2800 RPM) has 297 more torque (in Nm) than 2012 Buick Regal. (233 Nm @ 4900 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2012 Buick Regal.
Compare all specifications:
| 2009 Mercedes-Benz S | 2012 Buick Regal | |
| Make | Mercedes-Benz | Buick |
| Model | S | Regal |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5460 cc | 2400 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 382 HP | 182 HP |
| Engine RPM | 6000 RPM | 6700 RPM |
| Torque | 530 Nm | 233 Nm |
| Torque RPM | 2800 RPM | 4900 RPM |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1633 kg |
| Vehicle Length | 5210 mm | 4831 mm |
| Vehicle Width | 1880 mm | 1857 mm |
| Vehicle Height | 1480 mm | 1483 mm |
| Wheelbase Size | 3170 mm | 2738 mm |
| Fuel Consumption Highway | 11.8 L/100km | 7.6 L/100km |
| Fuel Consumption City | 16.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 68 L |
