2005 Buick Regal vs. 2006 Nissan Altima
To start off, 2006 Nissan Altima is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Buick Regal. In addition, the cost of maintenance, including insurance, on 2005 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2005 Buick Regal (197 HP @ 5200 RPM) has 22 more horse power than 2006 Nissan Altima. (175 HP @ 6000 RPM). In normal driving conditions, 2005 Buick Regal should accelerate faster than 2006 Nissan Altima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Regal weights approximately 20 kg more than 2006 Nissan Altima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Buick Regal (311 Nm @ 4000 RPM) has 66 more torque (in Nm) than 2006 Nissan Altima. (245 Nm @ 4000 RPM). This means 2005 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Nissan Altima.
Compare all specifications:
| 2005 Buick Regal | 2006 Nissan Altima | |
| Make | Buick | Nissan |
| Model | Regal | Altima |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 175 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 311 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1540 kg |
| Vehicle Length | 4990 mm | 4890 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2780 mm | 2810 mm |
| Fuel Tank Capacity | 64 L | 76 L |
