1999 Buick Regal vs. 2009 Jeep Commander
To start off, 2009 Jeep Commander is newer by 10 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 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 2009 Jeep Commander (215 HP @ 4000 RPM) has 18 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2009 Jeep Commander should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Commander weights approximately 795 kg more than 1999 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jeep Commander 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, 2009 Jeep Commander 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 Jeep Commander (510 Nm @ 1600 RPM) has 199 more torque (in Nm) than 1999 Buick Regal. (311 Nm @ 4000 RPM). This means 2009 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Regal.
Compare all specifications:
| 1999 Buick Regal | 2009 Jeep Commander | |
| Make | Buick | Jeep |
| Model | Regal | Commander |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 215 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 311 Nm | 510 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 | 17.7:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 2355 kg |
| Vehicle Length | 4990 mm | 4790 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1830 mm |
| Wheelbase Size | 2780 mm | 2790 mm |
| Fuel Tank Capacity | 64 L | 80 L |
