2004 Buick Regal vs. 2007 Mercedes-Benz GL
To start off, 2007 Mercedes-Benz GL is newer by 3 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 4,663 cc (8 cylinders), 2007 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (335 HP @ 6000 RPM) has 138 more horse power than 2004 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 909 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 2007 Mercedes-Benz GL 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, 2007 Mercedes-Benz GL 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, 2007 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 148 more torque (in Nm) than 2004 Buick Regal. (312 Nm @ 4000 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2007 Mercedes-Benz GL | |
| Make | Buick | Mercedes-Benz |
| Model | Regal | GL |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 335 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 460 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 97 mm | 92.9 mm |
| Engine Stroke Size | 86 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1521 kg | 2430 kg |
| Vehicle Length | 4990 mm | 5090 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1850 mm |
| Wheelbase Size | 3080 mm | 3080 mm |
| Fuel Consumption Overall | 10 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 66 L | 100 L |
