2003 Buick Regal vs. 2011 Alfa Romeo 159
To start off, 2011 Alfa Romeo 159 is newer by 8 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, 2011 Alfa Romeo 159 (208 HP @ 4000 RPM) has 11 more horse power than 2003 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2011 Alfa Romeo 159 should accelerate faster than 2003 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alfa Romeo 159 weights approximately 160 kg more than 2003 Buick Regal. 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, 2011 Alfa Romeo 159 (400 Nm @ 1500 RPM) has 88 more torque (in Nm) than 2003 Buick Regal. (312 Nm @ 4000 RPM). This means 2011 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Regal. 2003 Buick Regal has automatic transmission and 2011 Alfa Romeo 159 has manual transmission. 2011 Alfa Romeo 159 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 | 2011 Alfa Romeo 159 | |
| Make | Buick | Alfa Romeo |
| Model | Regal | 159 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2387 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 208 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 97 mm | 82 mm |
| Engine Stroke Size | 86 mm | 90.4 mm |
| Engine Compression Ratio | 9.4:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1720 kg |
| Vehicle Length | 4990 mm | 4670 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2780 mm | 2710 mm |
| Fuel Tank Capacity | 64 L | 70 L |
