2003 Buick Regal vs. 2006 Mercedes-Benz CLK
To start off, 2006 Mercedes-Benz CLK 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 5,439 cc (8 cylinders), 2006 Mercedes-Benz CLK is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CLK (362 HP @ 5750 RPM) has 165 more horse power than 2003 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2006 Mercedes-Benz CLK should accelerate faster than 2003 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CLK weights approximately 264 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 Mercedes-Benz CLK 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 2006 Mercedes-Benz CLK. 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, 2006 Mercedes-Benz CLK (510 Nm @ 4000 RPM) has 198 more torque (in Nm) than 2003 Buick Regal. (312 Nm @ 4000 RPM). This means 2006 Mercedes-Benz CLK will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Regal.
Compare all specifications:
| 2003 Buick Regal | 2006 Mercedes-Benz CLK | |
| Make | Buick | Mercedes-Benz |
| Model | Regal | CLK |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 197 HP | 362 HP |
| Engine RPM | 5200 RPM | 5750 RPM |
| Torque | 312 Nm | 510 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 97 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1824 kg |
| Vehicle Length | 4990 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2780 mm | 2720 mm |
| Fuel Tank Capacity | 64 L | 62 L |
