2005 Alfa Romeo 156 vs. 1975 Alfa Romeo Spider
To start off, 2005 Alfa Romeo 156 is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Spider would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 115 more horse power than 1975 Alfa Romeo Spider. (132 HP @ 5400 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1975 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 370 kg more than 1975 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Alfa Romeo Spider 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 1975 Alfa Romeo Spider. However, in wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156, 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, 2005 Alfa Romeo 156 (305 Nm @ 4800 RPM) has 124 more torque (in Nm) than 1975 Alfa Romeo Spider. (181 Nm @ 4000 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Spider.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1975 Alfa Romeo Spider | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 156 | Spider |
| Year Released | 2005 | 1975 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 132 HP |
| Engine RPM | 6200 RPM | 5400 RPM |
| Torque | 305 Nm | 181 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 78 mm | 88.5 mm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1410 kg | 1040 kg |
| Vehicle Length | 4440 mm | 4130 mm |
| Vehicle Width | 1770 mm | 1640 mm |
| Vehicle Height | 1410 mm | 1300 mm |
| Wheelbase Size | 2600 mm | 2260 mm |
