The 1.8 L (1,809 cc) CA18(s) was a carbureted version of the CA engine available in Japan.
It produces 66 kW (89 hp; 90 PS) and 149 N⋅m (110 lb⋅ft).
Bore and stroke is 83 mm × 83.6 mm (3.27 in × 3.29 in).

It was used in the following vehicles:
1984 Nissan Laurel (C32)
1984 Nissan Skyline (R30)
1985-1987 Nissan Skyline (R31)
1988 Nissan Stanza (T12)
1987-1988 Nissan Auster (T12)
1985-1990 Nissan Bluebird (U11)
1988-199?
Nissan Bluebird (U12; export only)
The 1.8 L (1,809 cc) CA18(s) was a carbureted version of the CA engine available in Japan. It produces 66 kW (89 hp; 90 PS) and 149 N⋅m (110 lb⋅ft). Bore and stroke is 83 mm × 83.6 mm (3.27 in × 3.29 in).
It was used in the following vehicles:
1984 Nissan Laurel (C32)
1984 Nissan Skyline (R30)
1985-1987 Nissan Skyline (R31)
1988 Nissan Stanza (T12)
1987-1988 Nissan Auster (T12)
1985-1990 Nissan Bluebird (U11)
1988-199? Nissan Bluebird (U12; export only)
Nissan CA engine