2004 Buick Regal vs. 2008 Mercedes-Benz B
To start off, 2008 Mercedes-Benz B is newer by 4 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, 2004 Buick Regal (197 HP @ 5200 RPM) has 59 more horse power than 2008 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2008 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 151 kg more than 2008 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Buick Regal (312 Nm @ 4000 RPM) has 12 more torque (in Nm) than 2008 Mercedes-Benz B. (300 Nm @ 1600 RPM). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz B.
Compare all specifications:
| 2004 Buick Regal | 2008 Mercedes-Benz B | |
| Make | Buick | Mercedes-Benz |
| Model | Regal | B |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 138 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 312 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 97 mm | 83 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1521 kg | 1370 kg |
| Vehicle Length | 4990 mm | 4280 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1610 mm |
| Wheelbase Size | 3080 mm | 2780 mm |
| Fuel Consumption Overall | 10 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 66 L | 54 L |
