1998 Caterham C21 vs. 1963 Marcos Ugly Duckling
To start off, 1998 Caterham C21 is newer by 35 year(s). Which means there will be less support and parts availability for 1963 Marcos Ugly Duckling. In addition, the cost of maintenance, including insurance, on 1963 Marcos Ugly Duckling would be higher. At 1,588 cc (4 cylinders), 1998 Caterham C21 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1998 Caterham C21 weights approximately 236 kg more than 1963 Marcos Ugly Duckling.
Compare all specifications:
| 1998 Caterham C21 | 1963 Marcos Ugly Duckling | |
| Make | Caterham | Marcos |
| Model | C21 | Ugly Duckling |
| Year Released | 1998 | 1963 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 1100 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 115 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 650 kg | 414 kg |
| Vehicle Length | 3810 mm | 3780 mm |
| Vehicle Width | 1590 mm | 1440 mm |
