- 2014–2015, 2018–2019 Factory-verified
2014 and 2015: Luxury, 2.0L turbo, rear-wheel drive (6AC69 sedan, 6AC47 coupe); 2019 from GM Authority's 2019 ATS interior colors page
1SE Factory-verified
Also described as Equipment group, LuxuryEquipment group, SportTrim group, SportTrim group, LuxuryTrim group, Premium LuxuryEquipment group, Premium LuxuryTrim group, Premium Luxury, AWD
Also documented for BuickChevroletGMC
Documented applications
- 2020, 2025–2026 Factory-verified
CT4 Sport; 2020 from GM Authority's 2020 CT4 interior colors page
- 2025–2026 Factory-verified
CT5 guide, 2.0L twin-scroll turbo RWD/AWD, model 6DD79; only in: CT5 (Sport)
- 2023, 2025–2027 Factory-verified
model 6MB26; the 2023 guide ties 1SE to RWD; the 2026 and 2027 guides name it Signature Luxury
- 2025–2027 Factory-verified
the 2025 guide heads it Luxury 1SE; the 2026–2027 guides head it Premium Luxury
- 2016 Confirmed
FWD and AWD; GM's 2016 SRX order guide (GM Authority's copy, published September 18, 2015)
- 2026–2027 Factory-verified
model 6MB56 AWD; NICB VIN series 3M (2026)
- 2025 Factory-verified
model 6ZC26; the guide's FWD and F48 rows show 1SE as AWD; only in: Premium Luxury
This page aggregates every documented appearance of 1SE in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.