2001 Buick Regal vs. 2005 Nissan Armada
To start off, 2005 Nissan Armada is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Buick Regal. In addition, the cost of maintenance, including insurance, on 2001 Buick Regal would be higher. At 5,556 cc (8 cylinders), 2005 Nissan Armada is equipped with a bigger engine. In terms of performance, 2005 Nissan Armada (305 HP @ 3600 RPM) has 108 more horse power than 2001 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2005 Nissan Armada should accelerate faster than 2001 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2005 Nissan Armada weights approximately 828 kg more than 2001 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Nissan Armada (522 Nm) has 211 more torque (in Nm) than 2001 Buick Regal. (311 Nm). This means 2005 Nissan Armada will have an easier job in driving up hills or pulling heavy equipment than 2001 Buick Regal.
Compare all specifications:
| 2001 Buick Regal | 2005 Nissan Armada | |
| Make | Buick | Nissan |
| Model | Regal | Armada |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 5556 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 305 HP |
| Engine RPM | 5200 RPM | 3600 RPM |
| Torque | 311 Nm | 522 Nm |
| Engine Bore Size | 97 mm | 98 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 9.8:1 |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 2388 kg |
| Vehicle Length | 4990 mm | 5260 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1440 mm | 1980 mm |
| Wheelbase Size | 2780 mm | 3140 mm |
| Fuel Tank Capacity | 64 L | 106 L |
