1965 Alfa Romeo Spider vs. 1966 Mercury Comet
To start off, 1966 Mercury Comet is newer by 1 year(s). Which means there will be less support and parts availability for 1965 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1965 Alfa Romeo Spider would be higher. At 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (267 HP @ 4400 RPM) has 104 more horse power than 1965 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1965 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 445 kg more than 1965 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1966 Mercury Comet (546 Nm @ 2600 RPM) has 326 more torque (in Nm) than 1965 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1965 Alfa Romeo Spider.
Compare all specifications:
| 1965 Alfa Romeo Spider | 1966 Mercury Comet | |
| Make | Alfa Romeo | Mercury |
| Model | Spider | Comet |
| Year Released | 1965 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 6393 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 163 HP | 267 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 220 Nm | 546 Nm |
| Torque RPM | 4000 RPM | 2600 RPM |
| Engine Bore Size | 83 mm | 103 mm |
| Engine Stroke Size | 79.6 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1330 kg | 1775 kg |
| Vehicle Length | 4510 mm | 5000 mm |
| Vehicle Width | 1610 mm | 1880 mm |
| Vehicle Height | 1390 mm | 1400 mm |
| Wheelbase Size | 2510 mm | 2950 mm |
