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 I4Â LH7 Turbo Diesel
 

- RPO Code:Â LH7
- Engine family: Ecotec diesel “Whisperdiesel”
- Layout and cylinder count: inline 4
- Displacement:Â 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:Â 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: C7Â 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:Â 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 I4Â LWN
- RPO Code:Â LWN
- Engine family: Duramax
- Layout and cylinder count: inline 4
- Current vehicle applications: North American-market Colorado Diesel, Canyon Diesel
- LWNÂ 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 LLRÂ (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:Â 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 LU3Â (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 L20Â (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 LMFÂ (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 LC9Â (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 LH9Â (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 LMGÂ (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 LZ1Â (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 L94Â (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 LGHÂ (Discontinued)

- RPO Code: LGH
- Engine family: Duramax
- Layout and cylinder count: V8
- Displacement: 6599 cc
- LGH details
Duramax 6.6L V8 Turbo Diesel LMLÂ (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:Â L5P
- Engine family: Duramax
- Layout and cylinder count: V8
- Displacement:Â 6603 cc
- Current vehicle applications: Chevrolet Silverado HD and GMC Sierra HD (2017Â MY and newer)
- L5P details