2004 Buick Regal vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (221 HP @ 3800 RPM) has 20 more horse power than 2004 Buick Regal. (201 HP @ 5200 RPM) In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz R weights approximately 748 kg more than 2004 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2004 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz R 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 R (510 Nm) has 205 more torque (in Nm) than 2004 Buick Regal. (305 Nm). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2009 Mercedes-Benz R | |
| Make | Buick | Mercedes-Benz |
| Model | Regal | R |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2987 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 221 HP |
| Engine RPM | 5200 RPM | 3800 RPM |
| Torque | 305 Nm | 510 Nm |
| Engine Bore Size | 97 mm | 83 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 17.7:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 2298 kg |
| Vehicle Length | 4990 mm | 5180 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1440 mm | 1930 mm |
| Wheelbase Size | 2780 mm | 3220 mm |
| Fuel Consumption City | 11.8 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
