2003 Buick Regal vs. 2006 Chrysler 300
To start off, 2006 Chrysler 300 is newer by 3 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 5,653 cc (8 cylinders), 2006 Chrysler 300 is equipped with a bigger engine. In terms of performance, 2006 Chrysler 300 (335 HP @ 5000 RPM) has 138 more horse power than 2003 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2006 Chrysler 300 should accelerate faster than 2003 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chrysler 300 weights approximately 313 kg more than 2003 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Chrysler 300 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2006 Chrysler 300 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, 2006 Chrysler 300 (525 Nm @ 4000 RPM) has 213 more torque (in Nm) than 2003 Buick Regal. (312 Nm @ 4000 RPM). This means 2006 Chrysler 300 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Regal.
Compare all specifications:
| 2003 Buick Regal | 2006 Chrysler 300 | |
| Make | Buick | Chrysler |
| Model | Regal | 300 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 5653 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 335 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 312 Nm | 525 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 99.5 mm |
| Engine Stroke Size | 86 mm | 90.9 mm |
| Engine Compression Ratio | 9.4:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1873 kg |
| Vehicle Length | 4990 mm | 5010 mm |
| Vehicle Width | 1850 mm | 1890 mm |
| Vehicle Height | 1440 mm | 1490 mm |
| Wheelbase Size | 2780 mm | 3050 mm |
| Fuel Tank Capacity | 64 L | 73 L |
