2003 Buick Regal vs. 2006 Fiat Stilo
To start off, 2006 Fiat Stilo is newer by 3 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 29 more horse power than 2006 Fiat Stilo. (168 HP @ 6000 RPM). In normal driving conditions, 2003 Buick Regal should accelerate faster than 2006 Fiat Stilo.
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 91 more torque (in Nm) than 2006 Fiat Stilo. (221 Nm @ 3500 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Stilo. 2003 Buick Regal has automatic transmission and 2006 Fiat Stilo has manual transmission. 2006 Fiat Stilo will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Buick Regal | 2006 Fiat Stilo | |
| Make | Buick | Fiat |
| Model | Regal | Stilo |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2446 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 168 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 221 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 83 mm |
| Engine Stroke Size | 86 mm | 90.4 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Width | 1850 mm | 1760 mm |
