2003 Buick Regal vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Buick Regal (197 HP @ 5200 RPM) has 36 more horse power than 2007 Mercedes-Benz C. (161 HP @ 5300 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 40 kg more than 2007 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz C 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 2007 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Buick Regal (312 Nm @ 4000 RPM) has 72 more torque (in Nm) than 2007 Mercedes-Benz C. (240 Nm @ 3000 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2003 Buick Regal | 2007 Mercedes-Benz C | |
| Make | Buick | Mercedes-Benz |
| Model | Regal | C |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1794 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 161 HP |
| Engine RPM | 5200 RPM | 5300 RPM |
| Torque | 312 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 97 mm | 82 mm |
| Engine Stroke Size | 86 mm | 85 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1520 kg |
| Vehicle Length | 4990 mm | 4530 mm |
| Vehicle Width | 1850 mm | 1430 mm |
| Vehicle Height | 1440 mm | 1730 mm |
| Wheelbase Size | 2780 mm | 2720 mm |
| Fuel Tank Capacity | 64 L | 62 L |
