1966 Alfa Romeo Spider vs. 1978 Cadillac Eldorado
To start off, 1978 Cadillac Eldorado is newer by 12 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 6,964 cc (8 cylinders), 1978 Cadillac Eldorado is equipped with a bigger engine. In terms of performance, 1978 Cadillac Eldorado (171 HP @ 4000 RPM) has 8 more horse power than 1966 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1978 Cadillac Eldorado should accelerate faster than 1966 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Eldorado weights approximately 900 kg more than 1966 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, 1978 Cadillac Eldorado (433 Nm @ 2000 RPM) has 213 more torque (in Nm) than 1966 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1978 Cadillac Eldorado 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 | 1978 Cadillac Eldorado | |
| Make | Alfa Romeo | Cadillac |
| Model | Spider | Eldorado |
| Year Released | 1966 | 1978 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 6964 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 163 HP | 171 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 220 Nm | 433 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 83 mm | 103.6 mm |
| Engine Stroke Size | 79.6 mm | 103.1 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1330 kg | 2230 kg |
| Vehicle Length | 4510 mm | 5700 mm |
| Vehicle Width | 1610 mm | 2040 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 3210 mm |
