1966 Alfa Romeo Spider vs. 1973 Mercury Montego
To start off, 1973 Mercury Montego is newer by 7 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 4,095 cc (6 cylinders), 1973 Mercury Montego is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 67 more horse power than 1973 Mercury Montego. (96 HP @ 3600 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1973 Mercury Montego. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mercury Montego weights approximately 365 kg more than 1966 Alfa Romeo Spider.
Let's talk about torque, 1973 Mercury Montego (248 Nm @ 1600 RPM) has 28 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1973 Mercury Montego will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Spider.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1973 Mercury Montego | |
| Make | Alfa Romeo | Mercury |
| Model | Spider | Montego |
| Year Released | 1966 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 4095 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 96 HP |
| Engine RPM | 5900 RPM | 3600 RPM |
| Torque | 220 Nm | 248 Nm |
| Torque RPM | 4000 RPM | 1600 RPM |
| Engine Bore Size | 83 mm | 93.6 mm |
| Engine Stroke Size | 79.6 mm | 99.3 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 6 seats |
| Vehicle Weight | 1330 kg | 1695 kg |
| Vehicle Length | 4510 mm | 5300 mm |
| Vehicle Width | 1610 mm | 2010 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 3010 mm |
