2003 Buick Regal vs. 2005 Rover 75
To start off, 2005 Rover 75 is newer by 2 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 68 more horse power than 2005 Rover 75. (129 HP @ 4000 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 2005 Rover 75.
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, 2003 Buick Regal (312 Nm @ 4000 RPM) has 12 more torque (in Nm) than 2005 Rover 75. (300 Nm @ 1900 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2005 Rover 75.
Compare all specifications:
| 2003 Buick Regal | 2005 Rover 75 | |
| Make | Buick | Rover |
| Model | Regal | 75 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 129 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 97 mm | 84.1 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1560 kg |
| Vehicle Length | 4990 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2780 mm | 2750 mm |
| Fuel Tank Capacity | 64 L | 65 L |
