1999 Buick Regal vs. 2006 Buick Rainier
To start off, 2006 Buick Rainier is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 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 46 more horse power than 1999 Buick Regal. (245 HP @ 5200 RPM) In normal driving conditions, 2006 Buick Rainier should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 10 kg more than 2006 Buick Rainier.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 1999 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, 1999 Buick Regal (380 Nm @ 3600 RPM) has 4 more torque (in Nm) than 2006 Buick Rainier. (376 Nm @ 4800 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick Rainier.
Compare all specifications:
| 1999 Buick Regal | 2006 Buick Rainier | |
| Make | Buick | Buick |
| Model | Regal | Rainier |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 245 HP | 291 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 376 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1550 kg |
| Vehicle Length | 4990 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1440 mm | 1900 mm |
| Wheelbase Size | 2780 mm | 2880 mm |
| Fuel Tank Capacity | 64 L | 83 L |
