2004 Buick Regal vs. 2005 Smart Roadster
To start off, 2005 Smart Roadster is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (201 HP @ 5200 RPM) has 101 more horse power than 2005 Smart Roadster. (100 HP @ 5250 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2005 Smart Roadster.
Because 2005 Smart Roadster 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 Smart Roadster. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Buick Regal (305 Nm) has 175 more torque (in Nm) than 2005 Smart Roadster. (130 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2005 Smart Roadster.
Compare all specifications:
| 2004 Buick Regal | 2005 Smart Roadster | |
| Make | Buick | Smart |
| Model | Regal | Roadster |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 698 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 201 HP | 100 HP |
| Engine RPM | 5200 RPM | 5250 RPM |
| Torque | 305 Nm | 130 Nm |
| Engine Bore Size | 97 mm | 66.5 mm |
| Engine Stroke Size | 86 mm | 67 mm |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4990 mm | 3430 mm |
| Vehicle Width | 1850 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1200 mm |
| Wheelbase Size | 2780 mm | 2370 mm |
| Fuel Consumption Overall | 9.8 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 64 L | 35 L |
