2003 Alfa Romeo 156 vs. 2003 Porsche 911
To start off, both 2003 Alfa Romeo 156 and 2003 Porsche 911 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 2003 Porsche 911 is equipped with a bigger engine. In terms of performance, 2003 Porsche 911 (443 HP @ 6000 RPM) has 325 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6200 RPM) In normal driving conditions, 2003 Porsche 911 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche 911 weights approximately 320 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.
Because 2003 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2003 Porsche 911 will offer significantly more control. 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 Porsche 911 (621 Nm @ 2700 RPM) has 475 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4200 RPM). This means 2003 Porsche 911 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 | 2003 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 156 | 911 |
| Year Released | 2003 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1597 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 118 HP | 443 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 146 Nm | 621 Nm |
| Torque RPM | 4200 RPM | 2700 RPM |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 75.6 mm | 76.4 mm |
| Top Speed | 200 km/hour | 307 km/hour |
| Acceleration 0-100mph | 11 seconds | 4.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1340 kg | 1660 kg |
| Vehicle Length | 4450 mm | 4440 mm |
| Vehicle Width | 1750 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2360 mm |
| Fuel Tank Capacity | 63 L | 64 L |
