The 1.8-liter Honda A18A carburetor engine was used from 1982 to 1988 in the Japanese-market Prelude and Accord. It belongs to the early A-series with a 12-valve head: two intake valves and one exhaust valve per cylinder.
In the Prelude it was fed by twin side-draft carburetors and produced up to 125 hp, while the Accord had a single down-draft carburetor and about 100 hp. The camshaft is driven by a toothed belt.
The A-series also includes: A20A.
A-series family: A18A, A20A.
Specifications
| Production years | 1982-1988 |
| Displacement, cc | 1829 |
| Fuel system | carburetor |
| Power output, hp | 100 – 125 |
| Torque output, Nm | 149 – 153 |
| Cylinder bore, mm | 80 |
| Piston stroke, mm | 91 |
| Compression ratio | 9.0 – 9.4 |
| Features | SOHC 12v |
| Timing drive | belt |
| Turbocharging | no |
| Fuel type | petrol |
The engine was installed on:
- Honda Prelude 2 (AB) in 1982 – 1987 (Japan);
- Honda Accord 3 (CA) in 1986 – 1988 (Japan).
