Chevrolet Impala Engines by Year

The Impala began in 1958 as the top Bel Air and became Chevrolet's best-selling full-size car. It was built through 1985, revived as the rear-drive Impala SS for 1994–1996, and returned as a front-drive sedan from 2000 to 2020.

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.

Jump to a year

1958–1964: 1958 · 1959 · 1960 · 1961 · 1962 · 1963 · 1964

1965–1970: 1965 · 1966 · 1967 · 1968 · 1969 · 1970

1971–1976: 1971 · 1972 · 1973 · 1974 · 1975 · 1976

1977–1985: 1977 · 1978 · 1979 · 1980 · 1981 · 1982 · 1983 · 1984 · 1985

Impala SS: 1994 · 1995 · 1996

2000–2020: 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020

1958–1964

The early Impala offered the 348 W-series V8 and, from 1961, the 409. The 1963 Z11 427 was a factory drag-racing package.

1958 Impala engines

Engine	Rated	Offered in
235 inline-six	145 hp gross	Impala (all series)
283 V8	185 hp gross	Impala (all series)
283 V8 4-bbl	230 hp gross	Impala (all series)
283 V8 fuel injection	250 hp gross	Impala (all series)
348 V8 4-bbl	250 hp gross	Impala (all series)
348 V8 3x2-bbl	280 hp gross	Impala (all series)
348 V8 3x2-bbl, special cam, solid lifters	315 hp gross	Impala (all series)

1959 Impala engines

Engine	Rated	Offered in
235 inline-six	135 hp gross	Impala (all series)
283 V8	185 hp gross	Impala (all series)
283 V8 (RPO 410)	230 hp gross	Impala (all series)
283 V8 (RPO 578) fuel injection	250 hp gross	Impala (all series)
283 V8 fuel injection, special cam	290 hp gross	Impala (all series)
348 V8 (RPO 576)	250 hp gross	Impala (all series)
348 V8 (RPO 573)	280 hp gross	Impala (all series)
348 V8 (RPO 576/577) 4-bbl special cam, HD Powerglide	305 hp gross	Impala (all series)
348 V8 (RPO 574) 3x2-bbl special cam	315 hp gross	Impala (all series)
348 V8 (RPO 577) 4-bbl special cam	320 hp gross	Impala (all series)
348 V8 (RPO 574) 3x2-bbl special cam, 11.25:1	335 hp gross	Impala (all series)

1960 Impala engines

Engine	Rated	Offered in
235 inline-six	135 hp gross	Impala (all series)
283 V8	170 hp gross	Impala (all series)
283 V8 (RPO 410)	230 hp gross	Impala (all series)
348 V8 (RPO 576)	250 hp gross	Impala (all series)
348 V8 (RPO 573)	280 hp gross	Impala (all series)
348 V8 (RPO 576) 4-bbl special cam, HD Powerglide	305 hp gross	Impala (all series)
348 V8 (RPO 577 / 590) 4-bbl special cam	320 hp gross	Impala (all series)
348 V8 (RPO 574 / 571) 3x2-bbl special cam	335 hp gross	Impala (all series)

1961 Impala engines

Engine	Rated	Offered in
235 inline-six	135 hp gross	Impala (all series)
283 V8	170 hp gross	Impala (all series)
283 V8 4-bbl	230 hp gross	Impala (all series)
348 V8 (RPO 576)	250 hp gross	Impala (all series)
348 V8 (RPO 573)	280 hp gross	Impala (all series)
348 V8 4-bbl special cam	305 hp gross	Impala (all series)
348 V8 (RPO 572) 4-bbl special cam, 11.25:1	340 hp gross	Impala (all series)
348 V8 3x2-bbl special cam, 11.25:1	350 hp gross	Impala (all series)
409 V8 (RPO 580)	360 hp gross	Impala (all series)

1962 Impala engines

Engine	Rated	Offered in
235 inline-six	135 hp gross	Impala (all series)
283 V8	170 hp gross	Impala (all series)
327 V8 (RPO 300)	250 hp gross	Impala (all series)
327 V8 (RPO 397)	300 hp gross	Impala (all series)
409 V8 (RPO 580)	380 hp gross	Impala (all series)
409 V8 (RPO 587)	409 hp gross	Impala (all series)

1963 Impala engines

Engine	Rated	Offered in
230 inline-six	140 hp gross	Impala (all series)
283 V8	195 hp gross	Impala (all series)
327 V8 (L30)	250 hp gross	Impala (all series)
327 V8 (L74)	300 hp gross	Impala (all series)
409 V8 (L33)	340 hp gross	Impala (all series)
409 V8 (L31)	400 hp gross	Impala (all series)
409 V8 (L80)	425 hp gross	Impala (all series)

Race-only (not street legal): Z11, 430 hp gross

1964 Impala engines

Engine	Rated	Offered in
230 inline-six	140 hp gross	Impala (all series)
283 V8	195 hp gross	Impala (all series)
327 V8 (L30)	250 hp gross	Impala (all series)
327 V8 (L74)	300 hp gross	Impala (all series)
409 V8 (L33)	340 hp gross	Impala (all series)
409 V8 (L31)	400 hp gross	Impala (all series)
409 V8 (L80)	425 hp gross	Impala (all series)

1965–1970

Big blocks took over from the 409 during 1965: the 396 and, from 1966, the 427.

1965 Impala engines

Engine	Rated	Offered in
230 inline-six	140 hp gross	Impala (all series)
283 V8	195 hp gross	Impala (all series)
327 V8 (L30)	250 hp gross	Impala (all series)
327 V8 (L74)	300 hp gross	Impala (all series)
396 V8 (L35)	325 hp gross	Impala (all series)
396 V8 (L78)	425 hp gross	Impala (all series)
409 V8 (L33)	340 hp gross	Impala (all series)
409 V8 (L31)	400 hp gross	Impala (all series)

1966 Impala engines

Engine	Rated	Offered in
250 inline-six	155 hp gross	Impala (all series)
283 V8	195 hp gross	Impala (all series)
283 V8 (L77)	220 hp gross	Impala (all series)
327 V8 (L30)	275 hp gross	Impala (all series)
396 V8 (L35)	325 hp gross	Impala (all series)
427 V8 (L36)	390 hp gross	Impala (all series)
427 V8 (L72)	425 hp gross	Impala (all series)

1967 Impala engines

Engine	Rated	Offered in
250 inline-six	155 hp gross	Impala (all series)
283 V8	195 hp gross	Impala (all series)
327 V8 (L30)	275 hp gross	Impala (all series)
396 V8 (L35)	325 hp gross	Impala (all series)
427 V8 (L36)	385 hp gross	Impala (all series)

1968 Impala engines

Engine	Rated	Offered in
250 inline-six	155 hp gross	Impala (all series)
307 V8	200 hp gross	Impala (all series)
327 V8 (L73)	250 hp gross	Impala (all series)
327 V8 (L30)	275 hp gross	Impala (all series)
396 V8 (L35)	325 hp gross	Impala (all series)
427 V8 (L36)	385 hp gross	Impala (all series)
427 V8 (L72)	425 hp gross	Impala (all series)

1969 Impala engines

Engine	Rated	Offered in
250 inline-six	155 hp gross	Impala (all series)
327 V8	235 hp gross	Impala (all series)
350 V8 (LM1)	255 hp gross	Impala (all series)
350 V8 (L48)	300 hp gross	Impala (all series)
396 V8 (L66)	265 hp gross	Impala (all series)
427 V8 (LS1)	335 hp gross	Impala (all series)
427 V8 (L36)	390 hp gross	Impala (all series)
427 V8 (L72)	425 hp gross	Impala (all series)

1970 Impala engines

Engine	Rated	Offered in
250 inline-six	155 hp gross	Impala (all series)
350 V8	250 hp gross	Impala (all series)
350 V8 (L48)	300 hp gross	Impala (all series)
400 V8 (LF6)	265 hp gross	Impala (all series)
454 V8 (LS4)	345 hp gross	Impala (all series)
454 V8 (LS5)	390 hp gross	Impala (all series)

1971–1976

Ratings are SAE net from 1972. The 454 stayed available through 1976.

1971 Impala engines

Engine	Rated	Offered in
250 inline-six	145 hp gross	Impala (all series)
350 V8	245 hp gross	Impala (all series)
400 V8 (LF6)	255 hp gross	Impala (all series)
402 V8 (LS3)	300 hp gross	Impala (all series)
454 V8 (LS5)	365 hp gross	Impala (all series)

1972 Impala engines

Engine	Rated	Offered in
250 inline-six	110 hp net	Impala (all series)
350 V8	165 hp net	Impala (all series)
400 V8 (LF6)	170 hp net	Impala (all series)
402 V8 (LS3)	210 hp net	Impala (all series)
454 V8 (LS5)	270 hp net	Impala (all series)

1973 Impala engines

Engine	Rated	Offered in
350 V8	145 hp net	Impala (all series)
350 V8 (L48)	175 hp net	Impala (all series)
400 V8 (LF6)	150 hp net	Impala (all series)
454 V8 (LS4)	245 hp net	Impala (all series)

1974 Impala engines

Engine	Rated	Offered in
350 V8 L65 standard	145 hp net	Impala (all series)
350 V8 (LM1)	160 hp net	Impala (all series)
400 V8 (LF6)	150 hp net	Impala (all series)
400 V8 (LT4)	180 hp net	Impala (all series)
454 V8 (LS4)	235 hp net	Impala (all series)

1975 Impala engines

Engine	Rated	Offered in
350 V8 L65 standard	145 hp net	Impala (all series)
350 V8 (LM1)	155 hp net	Impala (all series)
400 V8 (LT4)	175 hp net	Impala (all series)
454 V8 (LS4)	215 hp net	Impala (all series)

1976 Impala engines

Engine	Rated	Offered in
5.7L / 350 V8 (L65)	145 hp net	Impala (all body styles)
5.7L / 350 V8 (LM1)	165 hp net	Impala (all body styles)
6.6L / 400 V8 (LT4)	175 hp net	Impala (all body styles)
7.4L / 454 V8 (LS4)	225 hp net	Impala (all body styles)

1977–1985

The downsized 1977 Impala ran from the 250 six to the 350, with V6s and an Oldsmobile-built 5.7 diesel in the early 1980s, and Chevrolet's 4.3 V6 for 1985.

1977 Impala engines

Engine	Rated	Offered in
4.1L / 250 inline-six (L22)	110 hp net	Impala (all body styles)
5.0L / 305 V8 (LG3)	145 hp net	Impala (all body styles)
5.7L / 350 V8 (LM1)	170 hp net	Impala (all body styles)

1978 Impala engines

Engine	Rated	Offered in
4.1L / 250 inline-six (L22)	110 hp net	Impala (all body styles)
5.0L / 305 V8 (LG3)	145 hp net	Impala (all body styles)
5.7L / 350 V8 (LM1)	170 hp net	Impala (all body styles)

1979 Impala engines

Engine	Rated	Offered in
4.1L / 250 inline-six (L22)	115 hp net	Impala (all body styles)
5.0L / 305 V8 (LG3)	130 hp net	Impala (all body styles)
5.7L / 350 V8 (LM1)	170 hp net	Impala (all body styles)

1980 Impala engines

Engine	Rated	Offered in
3.8L / 229 V6 (LC3)	115 hp net	Impala (all body styles)
3.8L / 231 V6 (LD5)	110 hp net	Impala (all body styles)
4.4L / 267 V8 (L39)	120 hp net	Impala (all body styles)
5.0L / 305 V8 (LG4)	155 hp net	Impala (all body styles)
5.7L / 350 V8 diesel (LF9) Oldsmobile-built diesel.	105 hp net	Impala station wagon

1981 Impala engines

Engine	Rated	Offered in
3.8L / 229 V6 (LC3)	110 hp net	Impala (all body styles)
3.8L / 231 V6 (LD5)	110 hp net	Impala (all body styles)
4.4L / 267 V8 (L39)	115 hp net	Impala (all body styles)
5.0L / 305 V8 (LG4)	150 hp net	Impala (all body styles)

1982 Impala engines

Engine	Rated	Offered in
3.8L / 229 V6 (LC3)	110 hp net	Impala (all body styles)
3.8L / 231 V6 (LD5)	110 hp net	Impala (all body styles)
4.4L / 267 V8 (L39)	115 hp net	Impala (all body styles)
5.0L / 305 V8 (LG4)	145 hp net	Impala (all body styles)

1983 Impala engines

Engine	Rated	Offered in
3.8L / 229 V6 (LC3)	110 hp net	Impala sedan
5.0L / 305 V8 (LG4)	150 hp net	Impala sedan

1984 Impala engines

Engine	Rated	Offered in
3.8L / 229 V6 (LC3)	110 hp net	Impala sedan
3.8L / 231 V6 (LD5)	110 hp net	Impala sedan
5.0L / 305 V8 (LG4)	150 hp net	Impala sedan
5.7L / 350 V8 diesel (LF9) Oldsmobile-built diesel.	105 hp net	Impala sedan

1985 Impala engines

Engine	Rated	Offered in
4.3L / 262 V6 (LB4)	130 hp net	Impala sedan
5.0L / 305 V8 (LG4)	165 hp net	Impala sedan
5.7L / 350 V8 diesel (LF9) Oldsmobile-built diesel.	105 hp net	Impala sedan

Impala SS (1994–1996)

The Impala SS used the 5.7 LT1 V8, rated at 260 hp, in the Caprice body.

1994 Impala engines

Engine	Rated	Offered in
5.7L / 350 V8 (LT1)	260 hp net	Impala SS

1995 Impala engines

Engine	Rated	Offered in
5.7L / 350 V8 (LT1)	260 hp net	Impala SS

1996 Impala engines

Engine	Rated	Offered in
5.7L / 350 V8 (LT1)	260 hp net	Impala SS

2000–2020

The front-drive Impala used GM's 60-degree V6s, a supercharged 3800 in the 2004–2005 SS, a 5.3 V8 in the 2006–2009 SS, and from 2012 the 3.6 V6, with a 2.5 four from 2014.

2000 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police

2001 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police

2002 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police

2003 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police

2004 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police
3.8L / 231 V6 supercharged (L67)	240 hp net	Impala SS

2005 Impala engines

Engine	Rated	Offered in
3.4L / 204 V6 (LA1)	180 hp net	Impala (base sedan)
3.8L / 231 V6 (L36)	200 hp net	Impala LS standard, Impala sedan optional, 9C1/9C3 police
3.8L / 231 V6 supercharged (L67)	240 hp net	Impala SS

2006 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LZ9)	242 hp net	LTZ standard, LT optional, Police
5.3L / 325 V8 (LS4)	303 hp net	Impala SS

2007 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LZ8)	233 hp net	LTZ standard, LT optional, Police
5.3L / 325 V8 (LS4)	303 hp net	Impala SS

2008 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LZ8)	233 hp net	LTZ standard, LT optional, Police
5.3L / 325 V8 (LS4)	303 hp net	Impala SS

2009 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LGD / LZG)	233 hp net	LTZ standard, LT (2LT) optional, Police
5.3L / 325 V8 (LS4)	303 hp net	Impala SS

2010 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LGD / LZG)	233 hp net	LTZ, Police

2011 Impala engines

Engine	Rated	Offered in
3.5L / 213 V6 (LZ4 / LZE)	211 hp net	LS, LT
3.9L / 237 V6 (LGD / LZG)	230 hp net	LTZ, Police

2012 Impala engines

Engine	Rated	Offered in
3.6L / 217 V6 (LFX)	300 hp net	LS, LT, LTZ

2013 Impala engines

Engine	Rated	Offered in
3.6L / 217 V6 (LFX)	300 hp net	LS, LT, LTZ

2014 Impala engines

Engine	Rated	Offered in
2.4L / 146 inline-four (LUK)	182 hp net	Impala Eco
2.5L / 150 inline-four (LKW)	196 hp net	LS, LT (1LT), LTZ (1LZ)
3.6L / 217 V6 (LFX)	300 hp net	Impala Limited LS / LT / LTZ (fleet only), Police
3.6L / 217 V6 (LFX)	305 hp net	LT (2LT), LTZ (2LZ)

2015 Impala engines

Engine	Rated	Offered in
2.5L / 150 inline-four (LKW)	196 hp net	LS, LT (1LT), LTZ (1LZ)
3.6L / 217 V6	245 hp net	Impala 2FL Bi-Fuel, Impala 3LT Bi-Fuel
3.6L / 217 V6 (LFX)	300 hp net	Impala Limited LS / LT / LTZ (fleet only), Police
3.6L / 217 V6 (LFX)	305 hp net	LT, LTZ

2016 Impala engines

Engine	Rated	Offered in
2.5L / 150 inline-four (LKW)	196 hp net	LS, LT (1LT)
3.6L / 217 V6	—	Impala Bi-Fuel
3.6L / 217 V6 (LFX)	300 hp net	Impala Limited LS / LT / LTZ (fleet only), Police
3.6L / 217 V6 (LFX)	305 hp net	LT (2LT), LTZ (2LZ)

2017 Impala engines

Engine	Rated	Offered in
2.5L / 150 inline-four (LKW)	197 hp net	LS, LT (1LT)
3.6L / 217 V6 (LFX)	305 hp net	LS, LT, Premier

2018 Impala engines

Engine	Rated	Offered in
2.5L / 150 inline-four (LKW)	197 hp net	LS, LT (1LT)
3.6L / 217 V6 (LFX)	305 hp net	LS, LT, Premier

2019 Impala engines

Engine	Rated	Offered in
2.5L / 150 inline-four (LKW)	197 hp net	LS, LT (1LT)
3.6L / 217 V6 (LFX)	305 hp net	LS, LT, Premier

2020 Impala engines

Engine	Rated	Offered in
3.6L / 217 V6 (LFX)	305 hp net	LT, Premier

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