Trim group, Sport

Years 2014–15, 2017–20, 2023, 2025–27 Models 12 Factory citations 26

Also described as Equipment group, LuxuryEquipment group, V-SeriesTrim group, V-SeriesEquipment group, Premium Luxury, 3.6L, all-wheel driveEquipment group, PerformanceEquipment group, SportTrim group, Sport, FWDEquipment group, Sport, all-wheel driveEquipment group, Sport, AWD

Also documented for Buick Chevrolet GMC

Documented applications

ATS — Alpha (2013–2019)

2014–2015, 2018–2019 Factory-verified

2014 and 2015: Luxury, 2.0L turbo, all-wheel drive (6AC69 sedan, 6AC47 coupe); 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-V V-Series; 2020 from GM Authority's 2020 CT4 interior colors page

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

CT5 — Alpha 2 (2020–2026)

2023, 2025–2026 Factory-verified

CT5-V guide, 3.0L twin turbo RWD/AWD, model 6DE79; only in: CT5-V

GM factory document — 2023 cadillac ct5 v ct5 v blackwing fleet order guide wayback, p.1.
GM factory document — 2025 cadillac ct5 v ct5 v blackwing fleet order guide, p.1.
GM factory document — 2026 cadillac ct5 v ct5 v blackwing fleet order guide, p.1.

CT6 — Omega (2016–2020)

2017 Factory-verified

column heading of the guide's equipment pages (model 6KL69); the pages' text extraction pairs each trim name with the code printed after it, so the plain pairing reads 1SF as Platinum, but the model columns (6KJ69 Luxury, 6KL69, 6KM69) place Premium Luxury under 1SF and Platinum under 1SJ

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

CTS — Sigma II (2008–2015)

2014 Factory-verified

the CTS Coupe Performance column, rear- and all-wheel drive

GM factory document — 2014 cadillac cts coupe and cts v coupe fleet order guide wayback, p.1.

Escalade IQ — Ultium BEV (2025–2027)

2025–2027 Factory-verified

the 2025 guide names this group Sport 1

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.

Lyriq — BEV3 (2023–2027)

2025–2027 Factory-verified

model 6MC26 RWD/AWD

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.

Optiq — BEV3 (2025–2027)

2025–2027 Factory-verified

GM factory document — 2025 cadillac all electric optiq fleet order guide, p.1.
GM factory document — 2026 cadillac all electric optiq optiq v fleet order guide, p.1.
GM factory document — 2027 cadillac all electric optiq optiq v fleet order guide, p.1.

Vistiq — BEV3 (2026–2027)

2026–2027 Factory-verified

model 6MC56 AWD; NICB VIN series 3N (2026)

GM factory document — 2026 cadillac all electric vistiq fleet order guide, p.1.
GM factory document — 2027 cadillac all electric vistiq fleet order guide, p.1.

XT4 — E2 (2019–2025)

2025 Factory-verified

model 6ZE26; the guide's FWD and F48 rows show 1SF as FWD; only in: Sport

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

XT5 — C1XX (2017–2026)

2025–2026 Factory-verified

Sport trim, all-wheel drive only; model number printed 6NJ26

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

Sport model 6NX26; 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 1SF in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.