One character of the VIN tells you which engine a GMC left the factory with. On 1981-and-later models it is the 8th character. Find the model year, then the character, below.
Covers these models: Sierra 1500, Yukon. Each engine opens its own spec page.
Paste a 17-character VIN to see which engine the vehicle left the factory with.
| Model | Years | Engine code is the |
|---|---|---|
| Sierra 1500 | 1988–2026 | 8th character |
| Yukon | 1992–2026 | 8th character |
The VIN tells you what the vehicle left the factory with. Engines get swapped, so check the stamp or label on the engine too.
| Year | VIN code | Engine | Rated | Models |
|---|---|---|---|---|
| 1988 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1988 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500 |
| 1988 | Z | 4.3L / 262 V6 (LB4) | 160 hp net | Sierra 1500 |
| 1989 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1989 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500 |
| 1989 | Z | 4.3L / 262 V6 (LB4) | 160 hp net | Sierra 1500 |
| 1990 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1990 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500 |
| 1991 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1991 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500 |
| 1991 | Z | 4.3L / 262 V6 (LB4) | 160 hp net | Sierra 1500 |
| 1992 | C | 6.2L / 379 V8 diesel (LH6) | 140 hp net | Sierra 1500 |
| 1992 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1992 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500, Yukon |
| 1992 | Z | 4.3L / 262 V6 (LB4) | 160 hp net | Sierra 1500 |
| 1993 | C | 6.2L / 379 V8 diesel (LH6) | 140 hp net | Sierra 1500 |
| 1993 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1993 | K | 5.7L / 350 V8 (L05) | 210 hp net | Sierra 1500, Yukon |
| 1993 | Z | 4.3L / 262 V6 (LB4) | 165 hp net | Sierra 1500 |
| 1994 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1994 | K | 5.7L / 350 V8 (L05) | — | Sierra 1500, Yukon |
| 1994 | P | 6.5L / 395 V8 diesel (L49) | 155 hp net | Sierra 1500 |
| 1994 | S | 6.5L / 395 V8 diesel (L56) | 180 hp net | Sierra 1500, Yukon |
| 1994 | Z | 4.3L / 262 V6 (LB4) | 165 hp net | Sierra 1500 |
| 1995 | H | 5.0L / 305 V8 (L03) | 175 hp net | Sierra 1500 |
| 1995 | K | 5.7L / 350 V8 (L05) | 200 hp net | Sierra 1500, Yukon |
| 1995 | P | 6.5L / 395 V8 diesel (L49) | 155 hp net | Sierra 1500 |
| 1995 | S | 6.5L / 395 V8 diesel (L56) | 180 hp net | Sierra 1500, Yukon |
| 1995 | Z | 4.3L / 262 V6 (LB4) | 160 hp net | Sierra 1500 |
| 1996 | M | 5.0L / 305 V8 (L30) | — | Sierra 1500 |
| 1996 | R | 5.7L / 350 V8 (L31) | — | Sierra 1500, Yukon |
| 1996 | S | 6.5L / 395 V8 diesel (L56) | 180 hp net | Sierra 1500, Yukon |
| 1996 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 1997 | M | 5.0L / 305 V8 (L30) | — | Sierra 1500 |
| 1997 | R | 5.7L / 350 V8 (L31) | 255 hp net | Sierra 1500, Yukon |
| 1997 | S | 6.5L / 395 V8 diesel (L56) | 180 hp net | Sierra 1500, Yukon |
| 1997 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 1998 | M | 5.0L / 305 V8 (L30) | — | Sierra 1500 |
| 1998 | R | 5.7L / 350 V8 (L31) | 255 hp net | Sierra 1500, Yukon |
| 1998 | S | 6.5L / 395 V8 diesel (L56) | 180 hp net | Sierra 1500, Yukon |
| 1998 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 1999 | R | 5.7L / 350 V8 (L31) | 255 hp net | Yukon |
| 1999 | T | 5.3L / 325 V8 (LM7) | 270 hp net | Sierra 1500 |
| 1999 | V | 4.8L / 293 V8 (LR4) | 255 hp net | Sierra 1500 |
| 1999 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 2000 | R | 5.7L / 350 V8 (L31) | 255 hp net | Yukon |
| 2000 | T | 5.3L / 325 V8 (LM7) | 285 hp net | Sierra 1500, Yukon |
| 2000 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Yukon |
| 2000 | V | 4.8L / 293 V8 (LR4) | 270 hp net | Sierra 1500, Yukon |
| 2000 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 2001 | G | 8.1L / 496 V8 (L18) | 340 hp net | Yukon |
| 2001 | T | 5.3L / 325 V8 (LM7) | 285 hp net | Sierra 1500, Yukon |
| 2001 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Sierra 1500, Yukon |
| 2001 | V | 4.8L / 293 V8 (LR4) | 270 hp net | Sierra 1500, Yukon |
| 2001 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 2002 | G | 8.1L / 496 V8 (L18) | 340 hp net | Yukon |
| 2002 | T | 5.3L / 325 V8 (LM7) | 285 hp net | Sierra 1500 |
| 2002 | T (LM7) / Z (L59) | 5.3L / 325 V8 (LM7 / L59) | 285 hp net | Yukon |
| 2002 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Sierra 1500, Yukon |
| 2002 | V | 4.8L / 293 V8 (LR4) | 270 hp net | Sierra 1500, Yukon |
| 2002 | W | 4.3L / 262 V6 (L35) | 200 hp net | Sierra 1500 |
| 2003 | G | 8.1L / 496 V8 (L18) | 340 hp net | Yukon |
| 2003 | T | 5.3L / 325 V8 (LM7) | 285 hp net | Sierra 1500 |
| 2003 | T (LM7) / Z (L59) | 5.3L / 325 V8 (LM7 / L59) | 285 hp net | Yukon |
| 2003 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Sierra 1500, Yukon |
| 2003 | V | 4.8L / 293 V8 (LR4) | 270 hp net | Sierra 1500, Yukon |
| 2003 | X | 4.3L / 262 V6 (LU3) | — | Sierra 1500 |
| 2004 | G | 8.1L / 496 V8 (L18) | — | Yukon |
| 2004 | T | 5.3L / 325 V8 (LM7) | 295 hp net | Sierra 1500 |
| 2004 | T (LM7) / Z (L59) | 5.3L / 325 V8 (LM7 / L59) | 295 hp net | Yukon |
| 2004 | U | 6.0L / 364 V8 (LQ4) | 325 hp net | Sierra 1500, Yukon |
| 2004 | V | 4.8L / 293 V8 (LR4) | 285 hp net | Sierra 1500, Yukon |
| 2004 | X | 4.3L / 262 V6 (LU3) | — | Sierra 1500 |
| 2005 | B | 5.3L / 325 V8 (L33) | 310 hp net | Sierra 1500 |
| 2005 | G | 8.1L / 496 V8 (L18) | — | Yukon |
| 2005 | N | 6.0L / 364 V8 (LQ9) | 345 hp net | Sierra 1500 |
| 2005 | T | 5.3L / 325 V8 (LM7) | 295 hp net | Sierra 1500 |
| 2005 | T (LM7) / Z (L59) | 5.3L / 325 V8 (LM7 / L59) | 295 hp net | Yukon |
| 2005 | U | 6.0L / 364 V8 (LQ4) | 325 hp net | Yukon |
| 2005 | V | 4.8L / 293 V8 (LR4) | 285 hp net | Sierra 1500, Yukon |
| 2005 | X | 4.3L / 262 V6 (LU3) | — | Sierra 1500 |
| 2006 | B | 5.3L / 325 V8 (L33) | 310 hp net | Sierra 1500 |
| 2006 | G | 8.1L / 496 V8 (L18) | — | Yukon |
| 2006 | N | 6.0L / 364 V8 (LQ9) | 345 hp net | Sierra 1500 |
| 2006 | T | 5.3L / 325 V8 (LM7) | 295 hp net | Sierra 1500 |
| 2006 | T (LM7) / Z (L59) | 5.3L / 325 V8 (LM7 / L59) | 295 hp net | Yukon |
| 2006 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Sierra 1500, Yukon |
| 2006 | V | 4.8L / 293 V8 (LR4) | 285 hp net | Sierra 1500, Yukon |
| 2006 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2007 | 8 | 6.2L / 376 V8 (L92) | — | Sierra 1500, Yukon |
| 2007 | B | 5.3L / 325 V8 (L33) | 310 hp net | Sierra 1500 |
| 2007 | C | 4.8L / 293 V8 (LY2) | 295 hp net | Sierra 1500, Yukon |
| 2007 | J (LY5) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LMG / LC9) | 320 hp net | Yukon |
| 2007 | J (LY5) / M (LH6) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LH6 / LMG / LC9) | 315 hp net | Sierra 1500 |
| 2007 | K | 6.0L / 364 V8 (LY6) | 352 hp net | Yukon |
| 2007 | N | 6.0L / 364 V8 (LQ9) | 345 hp net | Sierra 1500 |
| 2007 | T | 5.3L / 325 V8 (LM7) | 295 hp net | Sierra 1500 |
| 2007 | U | 6.0L / 364 V8 (LQ4) | 300 hp net | Sierra 1500 |
| 2007 | V | 4.8L / 293 V8 (LR4) | 285 hp net | Sierra 1500 |
| 2007 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2007 | Y | 6.0L / 364 V8 (L76) | 367 hp net | Sierra 1500, Yukon |
| 2008 | 5 | 6.0L / 364 V8 (LFA) | — | Yukon |
| 2008 | 8 | 6.2L / 376 V8 (L92) | 403 hp net | Sierra 1500, Yukon |
| 2008 | C | 4.8L / 293 V8 (LY2) | 295 hp net | Sierra 1500, Yukon |
| 2008 | J (LY5) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LMG / LC9) | 320 hp net | Yukon |
| 2008 | J (LY5) / M (LH6) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LH6 / LMG / LC9) | 315 hp net | Sierra 1500 |
| 2008 | K | 6.0L / 364 V8 (LY6) | 352 hp net | Yukon |
| 2008 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2008 | Y | 6.0L / 364 V8 (L76) | 367 hp net | Sierra 1500, Yukon |
| 2009 | 2 | 6.2L / 376 V8 (L9H) | 403 hp net | Sierra 1500, Yukon |
| 2009 | 5 | 6.0L / 364 V8 (LFA) | 332 hp net | Sierra 1500, Yukon |
| 2009 | C | 4.8L / 293 V8 (LY2) | 295 hp net | Sierra 1500, Yukon |
| 2009 | J (LY5) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LMG / LC9) | 320 hp net | Yukon |
| 2009 | J (LY5) / M (LH6) / 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LY5 / LH6 / LMG / LC9) | 315 hp net | Sierra 1500 |
| 2009 | K | 6.0L / 364 V8 (LY6) | 352 hp net | Yukon |
| 2009 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2009 | Y | 6.0L / 364 V8 (L76) | 367 hp net | Sierra 1500, Yukon |
| 2010 | 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LMG / LC9) | 315 hp net | Sierra 1500, Yukon |
| 2010 | 2 | 6.2L / 376 V8 (L9H) | 403 hp net | Sierra 1500 |
| 2010 | 2 (L9H) / F (L94) | 6.2L / 376 V8 (L9H / L94) | 403 hp net | Yukon |
| 2010 | A | 4.8L / 293 V8 (L20) | 302 hp net | Sierra 1500 |
| 2010 | G | 6.0L / 364 V8 (L96) | 352 hp net | Yukon |
| 2010 | J | 6.0L / 364 V8 (LZ1) | 332 hp net | Sierra 1500, Yukon |
| 2010 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2011 | 0 (LMG) / 3 (LC9) | 5.3L / 325 V8 (LMG / LC9) | 315 hp net | Sierra 1500, Yukon |
| 2011 | 2 | 6.2L / 376 V8 (L9H) | 403 hp net | Sierra 1500 |
| 2011 | 2 (L9H) / F (L94) | 6.2L / 376 V8 (L9H / L94) | 403 hp net | Yukon |
| 2011 | A | 4.8L / 293 V8 (L20) | 302 hp net | Sierra 1500 |
| 2011 | G | 6.0L / 364 V8 (L96) | 352 hp net | Yukon |
| 2011 | J | 6.0L / 364 V8 (LZ1) | 332 hp net | Sierra 1500, Yukon |
| 2011 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2012 | 0 (LMG) / 7 (LC9) | 5.3L / 325 V8 (LMG / LC9) | 315 hp net | Sierra 1500, Yukon |
| 2012 | 2 | 6.2L / 376 V8 (L9H) | 403 hp net | Sierra 1500 |
| 2012 | 2 (L9H) / F (L94) | 6.2L / 376 V8 (L9H / L94) | 403 hp net | Yukon |
| 2012 | A | 4.8L / 293 V8 (L20) | 302 hp net | Sierra 1500 |
| 2012 | G | 6.0L / 364 V8 (L96) | 352 hp net | Yukon |
| 2012 | J | 6.0L / 364 V8 (LZ1) | 332 hp net | Sierra 1500, Yukon |
| 2012 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2013 | 0 (LMG) / 7 (LC9) | 5.3L / 325 V8 (LMG / LC9) | 315 hp net | Sierra 1500, Yukon |
| 2013 | 2 | 6.2L / 376 V8 (L9H) | 403 hp net | Sierra 1500 |
| 2013 | 2 (L9H) / F (L94) | 6.2L / 376 V8 (L9H / L94) | 403 hp net | Yukon |
| 2013 | A | 4.8L / 293 V8 (L20) | 302 hp net | Sierra 1500 |
| 2013 | G | 6.0L / 364 V8 (L96) | 352 hp net | Yukon |
| 2013 | J | 6.0L / 364 V8 (LZ1) | 332 hp net | Sierra 1500, Yukon |
| 2013 | X | 4.3L / 262 V6 (LU3) | 195 hp net | Sierra 1500 |
| 2014 | 0 (LMG) / 7 (LC9) | 5.3L / 325 V8 (LMG / LC9) | 320 hp net | Yukon |
| 2014 | C | 5.3L / 325 V8 (L83) | 355 hp net | Sierra 1500 |
| 2014 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2014 | J | 6.2L / 376 V8 (L86) | 420 hp net | Sierra 1500 |
| 2015 | C | 5.3L / 325 V8 (L83) | 355 hp net | Sierra 1500, Yukon |
| 2015 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2015 | J | 6.2L / 376 V8 (L86) | 420 hp net | Sierra 1500, Yukon |
| 2016 | C | 5.3L / 325 V8 (L83) | 355 hp net | Sierra 1500, Yukon |
| 2016 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2016 | J | 6.2L / 376 V8 (L86) | 420 hp net | Sierra 1500, Yukon |
| 2017 | C | 5.3L / 325 V8 (L83) | 355 hp net | Sierra 1500, Yukon |
| 2017 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2017 | J | 6.2L / 376 V8 (L86) | 420 hp net | Sierra 1500, Yukon |
| 2017 | R | 5.3L / 325 V8 (L8B) | 355 hp net | Sierra 1500 |
| 2018 | C | 5.3L / 325 V8 (L83) | 355 hp net | Sierra 1500, Yukon |
| 2018 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2018 | J | 6.2L / 376 V8 (L86) | 420 hp net | Sierra 1500, Yukon |
| 2018 | R | 5.3L / 325 V8 (L8B) | 355 hp net | Sierra 1500 |
| 2019 | C | 5.3L / 325 V8 (L83) | 355 hp net | Yukon |
| 2019 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500 |
| 2019 | F | 5.3L / 325 V8 (L82) | 355 hp net | Sierra 1500 |
| 2019 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2019 | J | 6.2L / 376 V8 (L86) | 420 hp net | Yukon |
| 2019 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2019 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500 |
| 2020 | C | 5.3L / 325 V8 (L83) | 355 hp net | Yukon |
| 2020 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500 |
| 2020 | F | 5.3L / 325 V8 (L82) | 355 hp net | Sierra 1500 |
| 2020 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2020 | J | 6.2L / 376 V8 (L86) | 420 hp net | Yukon |
| 2020 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2020 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500 |
| 2020 | T | 3.0L / 183 inline-six diesel (LM2) | 277 hp net | Sierra 1500 |
| 2021 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2021 | F | 5.3L / 325 V8 (L82) | 355 hp net | Sierra 1500 |
| 2021 | H | 4.3L / 262 V6 (LV3) | 285 hp net | Sierra 1500 |
| 2021 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2021 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
| 2021 | T | 3.0L / 183 inline-six diesel (LM2) | 277 hp net | Sierra 1500, Yukon |
| 2022 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2022 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2022 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
| 2022 | T | 3.0L / 183 inline-six diesel (LM2) | 277 hp net | Sierra 1500, Yukon |
| 2023 | 8 | 3.0L / 183 inline-six diesel (LZ0) | — | Sierra 1500 |
| 2023 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2023 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2023 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
| 2023 | T | 3.0L / 183 inline-six diesel (LM2) | 277 hp net | Yukon |
| 2024 | 8 | 3.0L / 183 inline-six diesel (LZ0) | 305 hp net | Sierra 1500 |
| 2024 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2024 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2024 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
| 2024 | T | 3.0L / 183 inline-six diesel (LM2) | 277 hp net | Yukon |
| 2025 | 8 | 3.0L / 183 inline-six diesel (LZ0) | 305 hp net | Sierra 1500, Yukon |
| 2025 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2025 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2025 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
| 2026 | 8 | 3.0L / 183 inline-six diesel (LZ0) | 305 hp net | Sierra 1500, Yukon |
| 2026 | D | 5.3L / 325 V8 (L84) | 355 hp net | Sierra 1500, Yukon |
| 2026 | K | 2.7L / 166 inline-four turbo (L3B) | 310 hp net | Sierra 1500 |
| 2026 | L | 6.2L / 376 V8 (L87) | 420 hp net | Sierra 1500, Yukon |
Years without a row are not yet confirmed.