1997 Alfa Romeo 155 vs. 2003 Pontiac GTO
To start off, 2003 Pontiac GTO is newer by 6 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 5,664 cc (8 cylinders), 2003 Pontiac GTO is equipped with a bigger engine. In terms of performance, 2003 Pontiac GTO (350 HP @ 5200 RPM) has 232 more horse power than 1997 Alfa Romeo 155. (118 HP @ 6300 RPM) In normal driving conditions, 2003 Pontiac GTO should accelerate faster than 1997 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac GTO weights approximately 420 kg more than 1997 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Pontiac GTO 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 2003 Pontiac GTO. However, in wet, icy, snow, or gravel driving conditions, 1997 Alfa Romeo 155, 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, 2003 Pontiac GTO (495 Nm @ 4000 RPM) has 351 more torque (in Nm) than 1997 Alfa Romeo 155. (144 Nm @ 4500 RPM). This means 2003 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2003 Pontiac GTO | |
| Make | Alfa Romeo | Pontiac |
| Model | 155 | GTO |
| Year Released | 1997 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 5664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 118 HP | 350 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 144 Nm | 495 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 99 mm |
| Engine Stroke Size | 75.7 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 10.1:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1270 kg | 1690 kg |
| Vehicle Length | 4450 mm | 4830 mm |
| Vehicle Width | 1710 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1400 mm |
