2006 Buick Rainier vs. 2004 Buick Regal
To start off, 2006 Buick Rainier is newer by 2 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 4,163 cc (6 cylinders), 2006 Buick Rainier is equipped with a bigger engine. In terms of performance, 2006 Buick Rainier (291 HP @ 6000 RPM) has 40 more horse power than 2004 Buick Regal. (251 HP @ 5200 RPM). In normal driving conditions, 2006 Buick Rainier should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 48 kg more than 2006 Buick Rainier.
Because 2006 Buick Rainier 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, 2006 Buick Rainier 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, 2004 Buick Regal (388 Nm) has 12 more torque (in Nm) than 2006 Buick Rainier. (376 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick Rainier.
Compare all specifications:
| 2006 Buick Rainier | 2004 Buick Regal | |
| Make | Buick | Buick |
| Model | Rainier | Regal |
| Year Released | 2006 | 2004 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 291 HP | 251 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 376 Nm | 388 Nm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1598 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 1920 mm | 1850 mm |
| Vehicle Height | 1900 mm | 1440 mm |
| Wheelbase Size | 2880 mm | 2780 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 83 L | 64 L |
