2003 Alfa Romeo 156 vs. 2004 Buick Regal
To start off, 2004 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 3,786 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 89 more horse power than 2003 Alfa Romeo 156. (162 HP @ 6400 RPM) In normal driving conditions, 2004 Buick Regal should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 313 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 Buick Regal (388 Nm) has 182 more torque (in Nm) than 2003 Alfa Romeo 156. (206 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2004 Buick Regal | |
| Make | Alfa Romeo | Buick |
| Model | 156 | Regal |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 251 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 206 Nm | 388 Nm |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 91 mm | 86 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 1598 kg |
| Vehicle Length | 4440 mm | 4990 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2780 mm |
| Fuel Consumption | 6.6 L/100km | 8.4 L/100km |
| Fuel Consumption City | 12.2 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
