1LT Factory-verified

Chevrolet · Regular Production Option

Equipment group 1LT, LT

Years 2006–09, 2012–27 Models 38 Factory citations 118

Also described as Equipment group, 1LTTrim group, 1LTPackage, LT, with LT badgePackage, LT option 1Equipment group 1LT (Stingray and Grand Sport base trim)Equipment group 1LTTrim group, LT, front-wheel driveTrim group, LTTrim group, SilveradoEquipment group: LT1 (1LT)Trim package, 1LTEquipment group, LTPreferred equipment group, LT (1LT)Equipment group, 1LT, LT trimTrim group, LT ClothTrim group, Traverse LT, front-wheel driveLT trim group

Also documented for GMC

Documented applications

Blazer — C1XX (2019–2026)

2019 Factory-verified

trim 1LT; model number printed 1NK26; 2.5L cloth

GM factory document — 2019 chevrolet all new blazer fleet order guide wayback, p.1.

Camaro — Gen 5 Zeta (2010–2015)

2014–2015 Factory-verified

coupe (1EF37) and convertible (1EF67)

GM factory document — 2014 chevrolet camaro fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet camaro fleet order guide wayback, p.1.

Captiva Sport — Theta (2012–2015)

2014 Factory-verified

model 1LE26 (FWD LT); NICB series Captiva Sport 1LT

GM factory document — 2014 chevrolet captiva sport fleet fleet order guide wayback, p.2.

City Express (2015–2018)

2015–2018 Factory-verified

the 2015 fleet guide names the 1LT FWD model 15T60; NICB names the City Express LT; 2018 guide: Work Van group on model 15T60

GM factory document — 2015 chevrolet city express fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet city express electrical body builders manual service manual 2015 en us, p.7.
GM factory document — 2017 chevrolet city express electrical body builders manual service manual 2017 en us, p.7.
GM factory document — 2018 chevrolet 18 city express bodybuilders sm 2 w cvr pg, p.9.
GM factory document — 2018 chevrolet city express order guide copy gm authority, p.1, p.19.

Cobalt — Delta (2005–2010)

2006–2009 Factory-verified

2006 comes from the 2006 kit order guide, whose column headings show it; the 2006 factory list has no entry.

GM factory document — 2007 chevrolet cobalt rpo code list, p.1.
GM factory document — 2008 chevrolet cobalt rpo code list, p.1.
GM factory document — 2009 chevrolet cobalt rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Cobalt, p.113.
GM Heritage factory kit — 2007 Chevrolet Cobalt, p.31.

Corvette — C6 (2005–2013)

2007–2009 Factory-verified

The NICB 2012 manual prints "Standard 1LT" in its 2011 column; 2011 is not claimed because no 2011 factory list exists.

GM factory document — 2007 chevrolet corvette rpo code list, p.1.
GM factory document — 2008 chevrolet corvette rpo code list, p.1.
GM factory document — 2009 chevrolet corvette rpo code list, p.1.

Corvette — C7 (2014–2019)

2014–2019 Factory-verified

only in: Stingray, Grand Sport; 2014, 2019: from GM order-guide copies (Corvette Action Center; 2019 also GM Authority)

GM factory document — 2015 chevrolet corvette fleet order guide wayback, p.7.
GM factory document — 2016 chevrolet corvette fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet corvette fleet order guide wayback, p.4.
GM factory document — 2018 chevrolet corvette fleet order guide wayback, p.2.

Corvette — C8 (2020–2027)

2020–2027 Factory-verified

only in: Stingray, Grand Sport, Grand Sport X; Stingray coupe 1YC07 and convertible 1YC67 in the 2020–2024 guides

GM factory document — 2020 chevrolet corvette stingray order guide copy corvetteblogger, p.1.
GM factory document — 2021 chevrolet corvette fleet order guide wayback, p.4.
GM factory document — 2022 chevrolet corvette stingray order guide copy corvetteblogger, p.1.
GM factory document — 2023 chevrolet corvette stingray z06 order guide copy corvetteblogger, p.1.
GM factory document — 2024 chevrolet corvette stingray z06 e ray order guide copy corvetteblogger, p.1.
GM factory document — 2025 chevrolet corvette fleet order guide, p.1.
GM factory document — 2026 chevrolet corvette fleet order guide, p.1.
GM factory document — 2027 chevrolet corvette fleet order guide, p.1.

Equinox — first generation (2005–2009)

2007 Factory-verified

Equipment group in the 2007 kit order guide.

GM Heritage factory kit — 2007 Chevrolet Equinox, p.83.

Equinox — Second generation (2010–2017)

2015 Factory-verified

models 1LH26 (FWD) and 1LK26 (AWD)

GM factory document — 2015 chevrolet equinox fleet order guide wayback, p.1.
2017 Factory-verified

models 1LH26 (FWD) and 1LK26 (AWD)

GM factory document — 2017 chevrolet equinox order guide copy gm authority, p.29.

Equinox — Third generation (D2XX) (2018–2024)

2018, 2020–2024 Single-source

NICB series LT (1LT); NICB 2018 p.168, NICB 2020 p.164, NICB 2021 p.169, NICB 2022 p.160, NICB 2023 p.154, NICB 2024 p.161
2019 Factory-verified

FWD and AWD, LYX engine; the 2018 guide prints 1LT only with a footnote digit

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.97.

Equinox — Fourth generation (2025–2027)

2025–2027 Factory-verified

LT: S; guide fleet model 1PT26 (columns 1LT and 2LT); the guides mark FWD standard and F48 not offered in this column; NICB prints the series as 1LT FWD (2025 and 2026, VIN positions 5 and 6 XH)

GM factory document — 2025 chevrolet all new equinox fleet order guide, p.1.
GM factory document — 2026 chevrolet equinox fleet order guide, p.1.
GM factory document — 2027 chevrolet equinox fleet order guide, p.1.

Express — GMT610 (2003–2027)

2025–2027 Factory-verified

GM fleet Passenger models CG23406, CG33406, CG33706; shown in the column headings of the guides

GM factory document — 2025 chevrolet express passenger fleet order guide, p.1.
GM factory document — 2026 chevrolet express passenger fleet order guide, p.1.
GM factory document — 2027 chevrolet express passenger fleet order guide, p.1.

HHR (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 chevrolet hhr rpo code list, p.1.
GM factory document — 2007 chevrolet hhr rpo code list, p.1.
GM factory document — 2008 chevrolet hhr rpo code list, p.1.
GM factory document — 2009 chevrolet hhr rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet HHR, p.25, p.97, p.98, p.99, p.100, p.102, p.103, p.104, p.105, p.108, p.110.

Impala — tenth generation (2014–2020)

2014–2016 Factory-verified

model 1GY69; 2.5L engine; NICB series 1LT (2014), LT (1LT) from 2015

GM factory document — 2014 chevrolet impala fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet impala fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.1.
2017 Confirmed

the single LT group for 2017, 2.5L standard and 3.6L LFX available (GM's 2017 Impala RPO change list, GM Authority); NICB 2017 p.50
2018–2020 Single-source

printed only by the NICB VIN manuals (2018 p.49, 2019 p.49, 2020 p.46, 2021 p.45) as LT (1LT); GM's 2020 fleet order guide lists the LT model (1GY69)

Impala — ninth generation (2006–2016)

2006–2007 Factory-verified

LT; the order guides print it as a column heading only, with no description.

GM Heritage factory kit — 2006 Chevrolet Impala, p.111.
GM Heritage factory kit — 2007 Chevrolet Impala, p.113.

Malibu — eighth generation (2013–2016)

2015–2016 Factory-verified

model 1GC69

GM factory document — 2015 chevrolet malibu fleet order guide wayback, p.2.
GM factory document — 2016 chevrolet malibu limited fleet order guide wayback, p.1.
2013–2014 Single-source

2013 and 2014 rest only on the NICB VIN manuals (2013 p.41, 2014 p.44: series 1LT and 1LT Eco); no GM list

Malibu — ninth generation (2016–2025)

2016 Factory-verified

model 1ZD69; GM's 2016 Malibu order guide

GM factory document — 2016 chevrolet malibu order guide copy gm authority, p.1.
2017–2024 Single-source

rests only on the NICB VIN manuals (2017 p.50, 2018 p.49, 2019 p.49, 2020 p.46, 2021 p.45, 2022 p.38, 2023 p.33, 2024 p.42: series LT (1LT))
2025 Factory-verified

model 1ZD69

GM factory document — 2025 chevrolet malibu fleet order guide, p.1.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.1.

Silverado — GMT800 (1999–2007)

2006–2007 Factory-verified

GM Heritage factory kit — 2006 Chevrolet Silverado, p.231.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.234.

Silverado HD — K2XX (2015–2019)

2016–2019 Factory-verified

2017: GM's 2017 Silverado 2500HD order guide; 2018: GM's 2018 Silverado 2500HD order guide; 2019: GM's 2019 Silverado 2500HD order guide

GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet silverado 2500hd order guide revised august 12 2016 copy gm authority, p.1.
GM factory document — 2018 chevrolet silverado 2500hd order guide copy gm authority, p.28.
GM factory document — 2019 chevrolet silverado 2500hd order guide april 20 2018 iteration 2 copy gm authority, p.28.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

LT: 2025 2500 HD and 3500 HD guides all models (2WD not available to order); 2026 and 2027 2500 HD and 3500 HD guides 4WD models only; 3500 HD chassis cab all models in 2025 and 2026, 4WD models in 2027; 2023 Upfitter list prints "Package" with the option number

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.9.
GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2025 chevrolet silverado 3500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2025 chevrolet silverado 3500 hd cc fleet order guide, p.1.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2026 chevrolet silverado 3500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2026 chevrolet silverado 3500 hd cc fleet order guide, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2027 chevrolet silverado 3500 hd retail and fleet fleet order guide, p.1.
GM factory document — 2027 chevrolet silverado 3500 hd cc fleet order guide, p.1.

Silverado Medium Duty (GM515, 2019–2026)

2025–2026 Factory-verified

page-1 column heading LT: the same four models as 1WT

GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide, p.1.
GM factory document — 2026 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide, p.1.

Silverado — T1XX (2019–2026)

2022–2026 Factory-verified

trim group printed under the LT heading of the guides;

GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.9.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.9.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.10.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide, p.1.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide, p.217.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide, p.100.

Sonic — first generation (2012–2020)

2012 Single-source

relabeled 1SC for 2013 (GM Authority 2013 changes article (not a GM document))

Spark EV — M300 (2014–2016)

2014 Factory-verified

Spark EV 1LT (model 1CZ48), with equipment group 1SA; NICB prints the 1LT series for 2014–2016

GM factory document — 2014 chevrolet spark ev and spark fleet order guide wayback, p.2.

Suburban — K2XX (2015–2020)

2015–2016, 2018–2019 Factory-verified

the guides head the LT column with it; 2018–2019 from GM's 2018 and 2019 Suburban order guides (GM Authority copies)

GM factory document — 2015 chevrolet suburban fleet order guide wayback, p.2.
GM factory document — 2016 chevrolet suburban fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet suburban order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet suburban order guide copy gm authority, p.1.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it LT option 1

GM factory document — 2025 chevrolet new suburban fleet order guide, p.1.
GM factory document — 2026 chevrolet suburban fleet order guide, p.1.
GM factory document — 2027 chevrolet suburban fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

Tahoe — GMT900 (2007–2014)

2007 Factory-verified

Named as an equipment group in the 2007 kit's order-guide pages, where p.143 pairs LS (1LS), LT (1LT), LT (2LT), LT (3LT) and LTZ (1LZ); no GM list prints it.

GM Heritage factory kit — 2007 Chevrolet Tahoe, p.131, p.143.

Tahoe — K2XX (2015–2020)

2015–2016, 2018–2019 Factory-verified

the guides head the LT column with it; 2018–2019 from GM's 2018 and 2019 Tahoe order guides (GM Authority copies)

GM factory document — 2015 chevrolet tahoe fleet order guide wayback, p.1.
GM factory document — 2016 chevrolet tahoe fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet tahoe order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet tahoe order guide copy gm authority, p.1.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

the body-builder lists name it LT option 1

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.1.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.9.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.9.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.4.

Trailblazer — First generation, VSS-F (2021–2027)

2025–2026 Factory-verified

trim group heading of the LT columns (1TU56 FWD, 1TW56 AWD)

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.1.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.1.

Traverse — First generation (2009–2017)

2015 Factory-verified

the guide lists 1LT under the LT column, for FWD and AWD models.

GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.1.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.2.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.3.

Traverse — C1XX (2018–2024)

2018–2020 Factory-verified

LT Cloth: S; FWD and AWD; 2019 also in GM's 2019 change list, its PXJ line (GM Authority's 2019 changes page); 2020: GM Authority's 2020 changes page, its BGP lines (BGP available on 1LT; BGP adds KI3 on 1LT) and its KI3 line (KI3 in BGP on 1LT)

GM factory document — 2018 chevrolet traverse order guide copy gm authority, p.65.
GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.92.

Traverse — Third generation (2024–2027)

2025–2027 Factory-verified

LT front-wheel drive: S; GM fleet model 1LB56; shown in the trim headings of the guides

GM factory document — 2025 chevrolet traverse fleet order guide, p.1.
GM factory document — 2026 chevrolet traverse fleet order guide, p.1.
GM factory document — 2027 chevrolet traverse fleet order guide, p.1.

Trax — first US generation (2015–2022)

2016, 2018–2019 Factory-verified

column heading of the guides' equipment pages

GM factory document — 2016 chevrolet trax fleet order guide wayback, p.2.
GM factory document — 2018 chevrolet trax order guide copy gm authority, p.1.
GM factory document — 2019 chevrolet trax order guide copy gm authority, p.1.

Trax — Second generation, VSS-F (2024–2026)

2025–2026 Factory-verified

column heading of the guides' equipment pages (1TU58 LT)

GM factory document — 2025 chevrolet trax fleet order guide, p.1.
GM factory document — 2026 chevrolet trax fleet order guide, p.1.

Uplander (2005–2008)

2006–2008 Factory-verified

the 2006 kit prints the group in its color and trim table; the 2006 lists do not print it

GM factory document — 2007 chevrolet uplander rpo code list, p.1.
GM factory document — 2008 chevrolet uplander rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Uplander, p.149.

This page aggregates every documented appearance of 1LT in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.