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GM Authority

General Motors Engines

We’ve compiled a comprehensive guide of General Motors engines used around the world. This guide will be updated on a regular basis and is a continuous work-in-progress.

If you notice any omissions or inaccuracies, please let us know here.

Car And Crossover Engines

1.2L Ecotec I4 LL0
  • RPO Code: LL0
  • Engine family: Family A/B
  • Layout and cylinder count: inline 4
  • Displacement: 1249 cc
  • LL0 details

1.4L Ecotec I4 LUU
  • RPO Code: LUU
  • Engine family: Family 0
  • Layout and cylinder count: inline 4
  • Displacement: 1398 cc
  • LUU details

1.4L Ecotec Turbo I4 LUJ/LUV
  • RPO Code: LUJ/LUV
  • Engine family: Family 0
  • Layout and cylinder count: inline 4
  • Displacement: 1364 cc
  • LUJ/LUV details

1.8L Ecotec I4 LUW
  • RPO Code: LUW
  • Engine family: Family 1, Generation 3
  • Layout and cylinder count: inline 4
  • Displacement: 1796 cc
  • LUW details

1.6L I4 LH7 Turbo Diesel
  • RPO Code: LH7
  • Engine family: Ecotec diesel “Whisperdiesel”
  • Layout and cylinder count: inline 4
  • Displacement: 1.6L
  • Current vehicle applications: 2017 Chevrolet Cruze Diesel, 2018 Chevrolet Equinox Diesel, 2018 GMC Terrain Diesel, various Opel/Vauxhall products
  • LH7 details

2.0L Ecotec Turbo I4 LHU
  • RPO Code: LHU
  • Engine family: Ecotec
  • Layout and cylinder count: inline 4
  • Displacement: 1998 cc
  • LHU details

2.0L Ecotec Turbo I4 LTG
    • RPO Code: LTG
    • Engine family: Ecotec
    • Layout and cylinder count: inline 4
    • Displacement: 1998 cc
    • LTG details

2.0L Turbo Diesel I4 LUZ
    • RPO Code: LUZ
    • Engine family: Family B
    • Layout and cylinder count: inline 4
    • Displacement: 1956 cc
    • LUZ details

Last-Gen 2.4L Ecotec I4 LE5/LE9
      • RPO Code: LE5/LE9
      • Engine family: Ecotec
      • Layout and cylinder count: inline 4
      • Displacement: 2384 cc
      • Manufacturing site: Spring Hill, Tennessee; Tonawanda, New York
      • Current vehicle applications: 2008-2012 Chevrolet Malibu (seventh generation)
      • Power (hp/kW) @ RPM: 169 / 126 @ 6400 (LE5), 170 / 127 @ 6200 (LE9, gas)
      • Torque (lb-ft/Nm) @ RPM: 160 / 217 @ 4500 (LE5), 158 / 214 @ 5200 (LE9, gas)
      • Notes: this naturally-aspirated four will cease production when the eight-generation 2013 Malibu launches with the 2.5 liter LCV. The LE9 is E85 capable

2.4L Ecotec I4 LEA
      • RPO Code: LEA
      • Engine family: Ecotec
      • Layout and cylinder count: inline 4
      • Displacement: 2384 cc
      • LEA details

2.4L BAS Ecotec I4 LUK
      • RPO Code: LUK
      • Engine family: Ecotec
      • Layout and cylinder count: inline 4
      • Displacement: 2384 cc
      • LUK details

2.5L Ecotec I4 LCV
      • RPO Code: LCV
      • Engine family: Ecotec
      • Layout and cylinder count: inline 4
      • Displacement: 2457 cc
      • LCV details

2.5L Ecotec I4 LKW
      • RPO Code: LKW
      • Engine family: Ecotec
      • Layout and cylinder count: inline 4
      • Displacement: 2457 cc
      • LKW details
3.6L V6 LY7
      • RPO Code: LY7
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • Manufacturing site: St. Catharines, Ontario; Flint, Michigan
      • Current vehicle applications: 7th-generation (2008-2012) Chevrolet Malibu
      • Power (hp/kW) @ RPM: 252 / 188 @ 6300
      • Torque (lb.-ft./Nm) @ RPM: 251 / 340 @ 3200
      • Notes: the LY7 will be discontinued when the 7th-generation Chevrolet Malibu ceases production

3.0L SIDI V6 LFW
      • RPO Code: LFW
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 2997 cc
      • LFW details

3.0L Twin Turbo SIDI V6 LGW
      • RPO Code: LGW
      • Engine family: High-Feature V6 Gen 2
      • Layout and cylinder count: V6
      • Displacement: 2990 cc
      • LGW details

3.6L SIDI V6 LLT
      • RPO Code: LLT
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • LLT details

3.6L SIDI V6 LFY
      • RPO Code: LFY
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • Current vehicle applications: Chevrolet Traverse and Buick Enclave (2018 MY and newer)
      • LFY details

3.6L SIDI V6 LFX
      • RPO Code: LFX
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • LFX details

3.6L SIDI V6 LGX
      • RPO Code: LGX
      • Engine family: High-Feature V6 Gen 2
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • LGX details

3.6L SIDI V6 LGZ
      • RPO Code: LGZ
      • Engine family: High-Feature V6 Gen 2
      • Layout and cylinder count: V6
      • Displacement: to be announced
      • Current vehicle applications: Chevrolet Colorado and GMC Canyon (2017 MY and newer)
      • LGZ details

3.6L Twin Turbo V6 LF3
      • RPO Code: LF3
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • LF3 details

3.6L Twin Turbo V6 LF4
      • RPO Code: LF4
      • Engine family: High-Feature V6
      • Layout and cylinder count: V6
      • Displacement: 3564 cc
      • LF4 details
6.0L Small Block V8 L77
      • RPO Code: L77
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5967 cc
      • L77 details

6.2L Small Block V8 L99
      • RPO Code: L99
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • L99 details

6.2L Small Block V8 LS3
      • RPO Code: LS3
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • LS3 details

6.2L V8 Small Block LT1
      • RPO Code: LT1
      • Engine family: LT Small Block Generation V
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • Manufacturing site: Tonawanda, New York, USA
      • Current vehicle applications: Chevrolet Corvette Stingray
      • LT1 details

6.2L Supercharged Small Block V8 LSA
      • RPO Code: LSA
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • LSA details

6.2L Supercharged Small Block V8 LS9
      • RPO Code: LS9
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • LS9 details

6.2L Supercharged V8 Small Block LT4
      • RPO Code: LT4
      • Engine family: LT Small Block Generation V
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • Manufacturing site: Tonawanda, New York, USA
      • Current vehicle applications: C7 Corvette Z06, Gen 6 Camaro ZL1, Gen 3 CTS-V
      • LT4 details

6.2L Supercharged V8 Small Block LT5
      • RPO Code: LT5
      • Engine family: LT Small Block Generation V
      • Layout and cylinder count: V8
      • Displacement: 6162 cc (expected)
      • Manufacturing site: Tonawanda, New York, USA (expected)
      • Current vehicle applications: 2019 Corvette ZR1
      • LT5 details

7.0L Small Block V8 LS7
      • RPO Code: LS7
      • Engine family: LS Generation IV
      • Layout and cylinder count: V8
      • Displacement: 7008 cc
      • LS7 details

Truck And SUV Engines

2.5L Duramax Turbo Diesel I4 XLD25
      • RPO Code: XLD25
      • Engine family: Duramax
      • Layout and cylinder count: inline 4
        • Current vehicle applications: international-market Colorado, Trailblazer
      • XLD25 details

2.8L Duramax Turbo Diesel I4 XLD28
      • RPO Code: XLD28
      • Engine family: Duramax
      • Layout and cylinder count: inline 4
      • Current vehicle applications: international-market Colorado, Trailblazer
      • XLD28 details

2.8L Duramax Turbo Diesel I4 LWN

 

      • RPO Code: LWN
      • Engine family: Duramax
      • Layout and cylinder count: inline 4
      • Current vehicle applications: North American-market Colorado Diesel, Canyon Diesel
      • LWN details

Vortec 2.9L I4 LLV (Discontinued)
      • RPO Code: LLV
      • Engine family: Atlas Series
      • Layout and cylinder count: inline 4
      • Displacement: 2921 cc
      • Manufacturing site: Tonawanda, New York
      • Current vehicle applications: first-gen Chevrolet Colorado and GMC Canyon
      • Power (hp/kW) @ RPM: 185 / 138 @ 5600
      • Torque (lb.-ft./Nm) @ RPM: 190 / 258 @ 2800
Vortec 3.7L I5 LLR (Discontinued)
      • RPO Code: LLR
      • Engine family: Atlas Series
      • Layout and cylinder count: inline 5
      • Displacement: 3653 cc
      • Manufacturing site: Tonawanda, New York
      • Current vehicle applications: first-gen Chevrolet Colorado, GMC Canyon
      • Power (hp/kW) @ RPM: 242 / 180 @ 5600
      • Torque (lb.-ft./Nm) @ RPM: 242 / 328 @ 4600

 

Duramax 3.0L I6 Turbo Diesel (RPO Code unknown)
      • RPO Code: to be announced
      • Engine family: small displacement Duramax
      • Layout and cylinder count: Inline 6 (I6)
      • Displacement: to be announced
      • Current vehicle applications: Chevrolet Silverado 1500 and GMC Sierra 1500 (2019 MY and newer)
      • 3.0L Duramax Diesel details

4.3L V6 Vortec LU3 (Discontinued)
      • RPO Code: LU3
      • Engine family: GM Small-Block Generation 1-E
      • Layout and cylinder count: V6
      • Displacement: 4293 cc
      • Manufacturing site: Romulus, Michigan, USA
      • Current vehicle applications: Chevrolet Express, GMC Savana (thru 2017 MY)
      • LU3 details

4.3L V6 EcoTec3 LV1
      • RPO Code: LV1
      • Engine family: GM Small-Block Generation V
      • Layout and cylinder count: V6
      • Displacement: 4301 cc
      • Manufacturing site: Tonawanda, New York, USA; Ramos, Mexico
      • Current vehicle applications: Chevrolet Express and GMC Savana (2018 MY and newer)
      • LV1 details

4.3L V6 EcoTec3 LV3
      • RPO Code: LV3
      • Engine family: GM Small-Block Generation V
      • Layout and cylinder count: V6
      • Displacement: 4301 cc
      • Manufacturing site: Tonawanda, New York, USA; Ramos, Mexico
      • Current vehicle applications: Chevrolet Silverado 1500 and GMC Sierra 1500
      • LV3 details
4.8L Vortec V8 FlexFuel L20 (Discontinued)
      • RPO Code: L20
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 4807 cc
      • L20 details

5.3L Vortec V8 FlexFuel LMF (Discontinued)
      • RPO Code: LMF
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5328 cc
      • LMF details

5.3L Vortec V8 FlexFuel LC9 (Discontinued)
      • RPO Code: LC9
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5328 cc
      • LC9 details

5.3L Vortec V8 LH9 (Discontinued)
      • RPO Code: LH9
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5328 cc
      • Manufacturing site: Romulus, Michigan
      • Current vehicle applications: Chevrolet Colorado, GMC Canyon
      • Power (hp/kW) @ RPM: 300 / 224 @ 5200
      • Torque (lb.-ft./Nm) @ RPM: 320 / 434 @ 3600
      • Notes: the LH9 is the LC9 without Active Fuel Management

Vortec 5.3L V8 LMG (Discontinued)
      • RPO Code: LMG
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5328 cc
      • LMG details

5.3L V8 EcoTec3 L83
      • RPO Code: L83
      • Engine family: GM Small-Block Generation V
      • Layout and cylinder count: V8
      • Displacement: 5328 cc
      • Manufacturing site: Tonawanda, New York, USA; Ramos, Mexico; St. Catherines, Ontario, Canada
      • Current vehicle applications: Chevrolet Silverado 1500 and GMC Sierra 1500
      • L83 details

Vortec 6.0L V8 Hybrid LZ1 (Discontinued)
      • RPO Code: LZ1
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5967 cc
      • Manufacturing site: Silao, Mexico
      • Current vehicle applications: Chevrolet Tahoe Hybrid, Chevrolet Silverado Hybrid, GMC Yukon Hybrid, GMC Sierra Hybrid, Cadillac Escalade Hybrid
      • Power (hp/kW) @ RPM: 332 / 248 @ 5100
      • Torque (lb.-ft./Nm) @ RPM: 367 / 495 @ 4100

Vortec 6.0L V8 L96
      • RPO Code: L96
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5967 cc
      • L96 details

Vortec 6.0L V8 CNG/LPG LC8
      • RPO Code: LC8
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 5967 cc
      • LC8 details

Vortec 6.2L V8 L94 (Discontinued)
      • RPO Code: L94
      • Engine family: GM Small Block Generation IV
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • L94 details

6.2L V8 EcoTec3 L86
      • RPO Code: L86
      • Engine family: GM Small-Block Generation V
      • Layout and cylinder count: V8
      • Displacement: 6162 cc
      • Manufacturing site: Tonawanda, New York, USA; St. Catherines, Ontario, Canada
      • Current vehicle applications: Chevrolet Silverado 1500 and GMC Sierra 1500
      • L86 details

Duramax 6.6L V8 Turbo Diesel LGH (Discontinued)
      • RPO Code: LGH
      • Engine family: Duramax
      • Layout and cylinder count: V8
      • Displacement: 6599 cc
      • LGH details

Duramax 6.6L V8 Turbo Diesel LML (Discontinued)
      • RPO Code: LML
      • Engine family: Duramax
      • Layout and cylinder count: V8
      • Displacement: 6599 cc
      • LML details

Duramax 6.6L V8 Turbo Diesel L5P
      • RPO Code: L5P
      • Engine family: Duramax
      • Layout and cylinder count: V8
      • Displacement: 6603 cc
      • Current vehicle applications: Chevrolet Silverado HD and GMC Sierra HD (2017 MY and newer)
      • L5P details

General Motors Engines Pages

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