AMC used the AMX name on a two-seat sports car from 1968 to 1970 and on sporty versions of the Hornet, Concord and Spirit from 1977 to 1980. From 1971 to 1974 the AMX was a Javelin model and is listed on the Javelin page.
Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.
1977–1980: 1977 · 1978 · 1979 · 1980
The two-seat AMX had only V8s: the 290, 343 and 390, then the 360 and 390 for 1970. Hurst built a small run of Super Stock AMXs for drag racing in 1969.
| Engine | Rated | Offered in |
|---|---|---|
| 290 V8 | 225 hp gross | AMX |
| 343 V8 | 280 hp gross | AMX |
| 390 V8 X | 315 hp gross | AMX |
| Engine | Rated | Offered in |
|---|---|---|
| 290 V8 | 225 hp gross | AMX |
| 343 V8 | 280 hp gross | AMX |
| 390 V8 X | 315 hp gross | AMX |
Race-only (not street legal): SS/AMX dual-quad 390, 340 hp gross
| Engine | Rated | Offered in |
|---|---|---|
| 360 V8 P | 290 hp gross | AMX |
| 390 V8 X | 325 hp gross | AMX |
The later AMX used AMC's 258 six and 304 V8. No horsepower rating is listed for the six in these years.
| Engine | Rated | Offered in |
|---|---|---|
| 4.2L / 258 inline-six | — | Hornet AMX (hatchback) |
| 5.0L / 304 V8 | 121 hp net | Hornet AMX (hatchback) |
| Engine | Rated | Offered in |
|---|---|---|
| 4.2L / 258 inline-six | — | AMX (Concord hatchback) |
| 5.0L / 304 V8 | 130 hp net | AMX (Concord hatchback) |
| Engine | Rated | Offered in |
|---|---|---|
| 4.2L / 258 inline-six | — | AMX (Spirit liftback) |
| 5.0L / 304 V8 | 125 hp net | AMX (Spirit liftback) |
| Engine | Rated | Offered in |
|---|---|---|
| 4.2L / 258 inline-six | — | AMX (Spirit liftback) |