Here you will find a comprehensive guide of Cadillac engines. 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.
2.5L Ecotec I-4 LCV
- Engine family: Ecotec
- Displacement:Â 2457 cc
- Layout and cylinder count: I-4
- Configuration: DOHC
- Aspiration: natural
- Applications: ATS Sedan
- GM RPO Code: LCV
- Cadillac 2.5L I-4 LCV details
2.0L Ecotec Turbo I-4 LTG

- Engine family: Ecotec
- Displacement: 1998 cc
- Layout and cylinder count: I-4
- Configuration: DOHC
- Aspiration: turbocharged
- Applications: ATS, CTS, CT6, XT5
- GM RPO Code: LTG
- Cadillac 2.0L Turbo I-4 LTG details
3.6L V-6 LFX (Last-Gen)
- Engine family: DOHCÂ V6Â Gen 3
- Displacement: 3564Â cc
- Layout and cylinder count: V-6
- Configuration: DOHC
- Aspiration:Â natural
- Application: XTS, SRX
- GM RPO Code:Â LFX
- Cadillac 3.6LÂ V-6 LFXÂ details
3.6L V-6 LGX (New Gen)
- Engine family: DOHCÂ V6Â Gen 4
- Displacement: 3564Â cc
- Layout and cylinder count: V-6
- Configuration: DOHC
- Aspiration:Â natural
- Application: ATS, CTS, CT6, XT5
- GM RPO Code:Â LGX
- Cadillac 3.6LÂ V-6 LGXÂ details
3.0L Twin Turbo V-6 LGW
- Engine family: DOHCÂ V6Â Gen 4
- Displacement: 2990 cc
- Layout and cylinder count: V-6
- Configuration: DOHC
- Aspiration:Â turbocharged
- Application: CT6
- GM RPO Code:Â LGW
- Cadillac 3.0LÂ V-6 LGW details
3.6L Twin Turbo V-6 LF3
- Engine family: DOHCÂ V6Â Gen 3
- Displacement: 3564Â cc
- Layout and cylinder count: V-6
- Configuration: DOHC
- Aspiration:Â turbocharged
- Application: XTS V-Sport
- GM RPO Code:Â LF3
- Cadillac 3.6LÂ V-6 LF3 details
3.6L Twin Turbo V-6 LF4
- Engine family: DOHCÂ V6Â Gen 3
- Displacement: 3564Â cc
- Layout and cylinder count: V-6
- Configuration: DOHC
- Aspiration:Â turbocharged
- Application: ATS-V
- GM RPO Code:Â LF4
- Cadillac 3.6LÂ V-6 LF4 details
6.2LÂ V-8Â L86
- Engine family: GM Small Block Gen 5 (EcoTec3)
- Displacement: 6162Â cc
- Layout and cylinder count: V-8
- Configuration: OHV
- Aspiration:Â natural
- Application: Escalade
- GM RPO Code:Â L86
- Cadillac 6.2L V-8 L86 details
6.2L Supercharged V-8Â LT4
- Engine family: GM Small Block Gen 5
- Displacement: 6162Â cc
- Layout and cylinder count: V-8
- Configuration: OHV
- Aspiration:Â supercharged
- Application: CTS-V
- GM RPO Code:Â LT4
- Cadillac 6.2L V-8 LT4 details
4.2L Twin-Turbo V-8
- Engine family: all-new
- Displacement: 4.2L
- Layout and cylinder count: V-8
- Configuration: DOHC
- Aspiration: turbocharged
- GM RPO Code: currently unknown
- Cadillac 4.2L Twin Turbo V-8 details
This section is currently under construction.