Audio system feature, Bose premium 7-speaker system, with amplifier

Years 2004–09, 2012–14, 2016–19, 2022–23, 2025–27 Models 11 Factory citations 28

Also described as Audio system feature, Bose performance-enhanced premium 10-speaker system with amplifier and subwooferSpeaker system, premium audio, branded, with amplifierAudio system feature, Bose premium 12-speaker system with subwooferAudio system feature, Bose premium 7-speaker system, amplifierSpeaker system, premium performance enhanced radioAudio system feature, Bose premium 8-speaker systemAudio system feature, Harman Kardon 336-watt 9-speaker 5.1 Matrix surround sound systemAudio system feature, Bose premium speaker systemAudio system feature, Bose premium 9-speaker system, 7-channel digital amplifier, custom equalization, subwoofers

Also documented for Cadillac Chevrolet GMC Hummer Oldsmobile Saturn

Documented applications

Enclave — C1XX (2018–2024)

2018, 2022–2023 Factory-verified

2018: Premium, Avenir: S; 2022–2023: Essence: O, in PEB; Premium, Avenir: S

GM factory document — 2018 buick enclave fleet order guide wayback, p.1.
GM factory document — 2022 buick enclave order guide copy nhtsa docket, p.2, p.18.
GM factory document — 2023 buick enclave order guide copy autoevolution wayback, p.2, p.17.

Enclave — Lambda / GMT967 (2008–2017)

2008–2009 Factory-verified

GM factory document — 2008 buick enclave rpo code list, p.1.
GM factory document — 2009 buick enclave rpo code list, p.1.

Enclave — VSS-S (2025–2027)

2025–2027 Factory-verified

Preferred, Sport Touring: S; Avenir: not offered

GM factory document — 2025 buick all new enclave fleet order guide, p.1.
GM factory document — 2026 buick enclave fleet order guide, p.1.
GM factory document — 2027 buick enclave fleet order guide, p.2.

Encore — Gamma II (2013–2022)

2014, 2018–2019 Factory-verified

2014: not on Base; 2018: Sport Touring, Preferred II, Essence: O; Premium: included; 2019: Sport Touring, Essence: O; the 2018–2019 guides add HD Radio

GM factory document — 2014 buick encore fleet order guide wayback, p.2.
GM factory document — 2018 buick encore order guide copy gm authority, p.15.
GM factory document — 2019 buick encore order guide copy gm authority, p.13.

Encore GX — VSS-F (2020–2027)

2025–2027 Factory-verified

2025–2026: Sport Touring, Avenir: O. 2027: Avenir: O

GM factory document — 2025 buick encore gx fleet order guide, p.10.
GM factory document — 2026 buick encore gx fleet order guide, p.10.
GM factory document — 2027 buick encore gx fleet order guide, p.16.

Envision — D2XX, imported from China (2016–2020)

2016–2019 Factory-verified

1SN, 1SP: S

GM factory document — 2016 buick envision order guide copy gm authority, p.1, p.10.
GM factory document — 2017 buick envision order guide copy gm authority, p.1, p.12.
GM factory document — 2018 buick envision order guide copy gm authority, p.1, p.12.
GM factory document — 2019 buick envision order guide copy gm authority, p.1, p.13.

Lucerne — G-body (2006–2011)

2006–2009 Factory-verified

The 2006 list words it "Enhanced Audio".

GM factory document — 2006 buick lucerne rpo code list, p.1.
GM factory document — 2009 buick lucerne rpo code list, p.1.

Rainier — GMT360 (2004–2007)

2004–2007 Factory-verified

the 2004 list reads "audio" for "radio"

GM factory document — 2004 buick rainier 2wd rpo code list, p.1.
GM factory document — 2007 buick rainier rpo code list, p.1.

Regal — E2XX (2018–2020)

2018–2019 Factory-verified

2019: Preferred, Preferred II, Essence, Avenir, GS: O (2019 Sportback order guide)

GM factory document — 2018 buick regal sportback fleet order guide wayback, p.1.
GM factory document — 2018 buick regal tourx fleet order guide wayback, p.1.
GM factory document — 2019 buick regal sportback order guide copy gm authority, p.19.

Regal — Epsilon II, 5th gen (2011–2017)

2013 Confirmed

the same 2014 list adds UQA as a Bose system (next row); deleted for 2014 (GM's 2014 list)
2014, 2016 Factory-verified

new for 2014, 11 speakers (GM's 2014 list); 2016: 1SP, 1SX: S; 9 speakers

GM factory document — 2016 buick regal order guide copy gm authority, p.1, p.15.

Verano — Delta II (2012–2017)

2012, 2016 Factory-verified

2016: 1SG, 1SH: O; 1SL, 1ST: S; 2012: 1SD, 1SG: O; 1SL: S (GM 2012 ordering guide)

GM factory document — 2016 buick verano fleet order guide wayback, p.2.
GM factory document — 2012 buick verano online ordering guide copy gm authority, p.1.

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