2003 Buick Regal vs. 2006 Suzuki Grand Vitara
To start off, 2006 Suzuki Grand Vitara is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2003 Buick Regal (197 HP @ 5200 RPM) has 41 more horse power than 2006 Suzuki Grand Vitara. (156 HP @ 6200 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 2006 Suzuki Grand Vitara. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 115 kg more than 2006 Suzuki Grand Vitara. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Suzuki Grand Vitara is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2006 Suzuki Grand Vitara 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, 2003 Buick Regal (312 Nm @ 4000 RPM) has 99 more torque (in Nm) than 2006 Suzuki Grand Vitara. (213 Nm @ 3300 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Suzuki Grand Vitara.
Compare all specifications:
| 2003 Buick Regal | 2006 Suzuki Grand Vitara | |
| Make | Buick | Suzuki |
| Model | Regal | Grand Vitara |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2493 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 197 HP | 156 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 312 Nm | 213 Nm |
| Torque RPM | 4000 RPM | 3300 RPM |
| Engine Bore Size | 97 mm | 84 mm |
| Engine Stroke Size | 86 mm | 75 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1445 kg |
| Vehicle Length | 4990 mm | 4770 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1750 mm |
| Wheelbase Size | 2780 mm | 2810 mm |
| Fuel Tank Capacity | 64 L | 66 L |
