1966 Alfa Romeo Spider vs. 2006 Alfa Romeo 156
To start off, 2006 Alfa Romeo 156 is newer by 40 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 2,582 cc (6 cylinders), 1966 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 14 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 255 kg more than 1966 Alfa Romeo Spider.
Let's talk about torque, 1966 Alfa Romeo Spider (220 Nm @ 4000 RPM) has 39 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 1966 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 1966 Alfa Romeo Spider | 2006 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | Spider | 156 |
| Year Released | 1966 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 149 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 220 Nm | 181 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 79.6 mm | 91 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1330 kg | 1585 kg |
| Vehicle Length | 4510 mm | 4440 mm |
| Vehicle Width | 1610 mm | 1750 mm |
| Vehicle Height | 1390 mm | 1440 mm |
| Wheelbase Size | 2510 mm | 2600 mm |
| Fuel Tank Capacity | 46 L | 63 L |
