Trim group, Premium Luxury

Years 2014–20, 2023, 2025–27 Models 12 Factory citations 24

Also described as Equipment group, StandardEquipment group, Premium LuxuryEquipment group, Luxury, 3.6L, all-wheel driveEquipment group, Platinum trimEquipment group 1SD, V-Series (Escalade-V)Trim group, LuxuryEquipment group, Performance CollectionTrim group, Premium Luxury, FWDEquipment group, Premium Luxury, all-wheel driveEquipment group, Premium Luxury, AWD

Also documented for Buick Chevrolet GMC Pontiac

Documented applications

ATS — Alpha (2013–2019)

2014–2015, 2018–2019 Factory-verified

2014 and 2015: Standard, 2.0L turbo, all-wheel drive (6AB69 sedan, 6AB47 coupe); 2018: the base ATS trim level of the coupe and sedan guides; 2019 from GM Authority's 2019 ATS interior colors page

GM factory document — 2014 cadillac ats fleet order guide wayback, p.4.
GM factory document — 2015 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats coupe fleet order guide wayback, p.2.
GM factory document — 2018 cadillac ats sedan fleet order guide wayback, p.2.

CT4 — Alpha 2 (2020–2026)

2020, 2025–2026 Factory-verified

CT4 Premium Luxury; 2020 from GM Authority's 2020 CT4 interior colors page

GM factory document — 2025 cadillac ct4 fleet order guide, p.1.
GM factory document — 2026 cadillac ct4 fleet order guide, p.1.

CT5 — Alpha 2 (2020–2026)

2025–2026 Factory-verified

CT5 guide, 2.0L twin-scroll turbo RWD/AWD, model 6DC79; only in: CT5 (Premium Luxury)

GM factory document — 2025 cadillac ct5 fleet order guide, p.1.
GM factory document — 2026 cadillac ct5 fleet order guide, p.1.

CT6 — Omega (2016–2020)

2017 Factory-verified

column heading of the guide's equipment pages (model 6KJ69)

GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.2.
GM factory document — 2017 cadillac ct6 fleet order guide wayback, p.4.

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

the 2025 guide names this group Luxury 2

GM factory document — 2025 cadillac all electric escalade iq fleet order guide, p.1.
GM factory document — 2027 cadillac all electric escalade iql fleet order guide, p.1.

Escalade — K2XX (2015–2020)

2015, 2019 Factory-verified

the 2015 guide's Platinum column; NICB lists Platinum Collection for 2015–2016 and Platinum from 2017; GM Authority for 2019

GM factory document — 2015 cadillac escalade fleet order guide wayback, p.2.

Escalade — T1XX, 5th gen (2021–2027)

2023, 2025–2027 Factory-verified

GM factory document — 2023 cadillac 23 escalade escalade esv electrical body builder sm en us 2022oct25, p.9.
GM factory document — 2025 cadillac new escalade escalade v fleet order guide, p.1.
GM factory document — 2027 cadillac escalade escalade v fleet order guide, p.1.

Lyriq — BEV3 (2023–2027)

2023, 2025–2027 Factory-verified

model 6MB26; the 2023 guide ties 1SD to AWD; the 2026 and 2027 guides name it Premium Luxury

GM factory document — 2023 cadillac all new electric lyriq fleet order guide wayback, p.2.
GM factory document — 2025 cadillac all electric lyriq fleet order guide, p.1.
GM factory document — 2026 cadillac all electric lyriq lyriq v fleet order guide, p.1.
GM factory document — 2027 cadillac all electric lyriq lyriq v fleet order guide, p.1.

SRX — Theta Premium / GMT166 (2010–2016)

2016 Confirmed

FWD and AWD; GM's 2016 SRX order guide (GM Authority's copy, published September 18, 2015)

XT4 — E2 (2019–2025)

2025 Factory-verified

model 6ZC26; the guide's FWD and F48 rows show 1SD as FWD; only in: Premium Luxury

GM factory document — 2025 cadillac xt4 fleet order guide, p.1.

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

Premium Luxury trim with the F48 all-wheel drive code standard; model number printed 6NH26

GM factory document — 2025 cadillac xt5 fleet order guide, p.1.
GM factory document — 2026 cadillac xt5 fleet order guide, p.1.

XT6 — C1XX (2020–2025)

2025 Factory-verified

AWD column of the Premium Luxury model 6NW26; FWD is standard in 1SA and 1SC and F48 in 1SB, 1SD and 1SF

GM factory document — 2025 cadillac xt6 fleet order guide, p.7.

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