1963 Alfa Romeo Spider vs. 1973 Checker Aerobus
To start off, 1973 Checker Aerobus is newer by 10 year(s). Which means there will be less support and parts availability for 1963 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1963 Alfa Romeo Spider would be higher. At 5,733 cc (8 cylinders), 1973 Checker Aerobus is equipped with a bigger engine. In terms of performance, 1973 Checker Aerobus (185 HP @ 4000 RPM) has 22 more horse power than 1963 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 1973 Checker Aerobus should accelerate faster than 1963 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 1973 Checker Aerobus weights approximately 1075 kg more than 1963 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, 1973 Checker Aerobus (463 Nm @ 2800 RPM) has 243 more torque (in Nm) than 1963 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 1973 Checker Aerobus will have an easier job in driving up hills or pulling heavy equipment than 1963 Alfa Romeo Spider.
Compare all specifications:
| 1963 Alfa Romeo Spider | 1973 Checker Aerobus | |
| Make | Alfa Romeo | Checker |
| Model | Spider | Aerobus |
| Year Released | 1963 | 1973 |
| Engine Size | 2580 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 185 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 220 Nm | 463 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 2405 kg |
| Vehicle Length | 4510 mm | 6690 mm |
| Vehicle Width | 1610 mm | 1940 mm |
| Vehicle Height | 1390 mm | 1600 mm |
| Wheelbase Size | 2510 mm | 4760 mm |
