2005 Buick Regal vs. 2005 Infiniti M
To start off, both 2005 Buick Regal and 2005 Infiniti M were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,494 cc (8 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2005 Infiniti M (335 HP @ 6400 RPM) has 138 more horse power than 2005 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2005 Infiniti M should accelerate faster than 2005 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti M weights approximately 180 kg more than 2005 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Infiniti M is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Infiniti M. However, in wet, icy, snow, or gravel driving conditions, 2005 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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 Infiniti M (453 Nm @ 4000 RPM) has 142 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2005 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
| 2005 Buick Regal | 2005 Infiniti M | |
| Make | Buick | Infiniti |
| Model | Regal | M |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 4494 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 335 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 311 Nm | 453 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 93 mm |
| Engine Stroke Size | 86 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1740 kg |
| Vehicle Length | 4990 mm | 5020 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2810 mm |
| Fuel Tank Capacity | 64 L | 79 L |
