Used Buick Cars in Illinois

2020 Buick Encore GX FWD 4dr Select for Sale

Belleville, IL Jun 16, 2026

CarMax O'Fallon

Used 2020 Buick Encore GX, 29,093 miles, black

$19,998

2017 Buick LaCrosse 4dr Sdn Preferred FWD for Sale

Glencoe, IL Jun 16, 2026

CarMax Glencoe (Edens Expy)

Used 2017 Buick LaCrosse, 50,810 miles, gray

$18,998

2023 Buick Encore GX FWD 4dr Select for Sale

Plainfield, IL Jun 16, 2026

CarMax Joliet

Used 2023 Buick Encore GX, 27,439 miles, white

$21,998

2020 Buick Enclave AWD 4dr Avenir for Sale

Collinsville, IL Jun 16, 2026

Laura Buick GMC, Inc.

Used 2020 Buick Enclave, 58,018 miles, rich garnet metallic

$26,995

2016 Buick LaCrosse 4dr Sdn Premium I AWD for Sale

Hillside, IL Jun 16, 2026

CarMax Hillside (Eisenhower Expy)

Used 2016 Buick LaCrosse, 77,999 miles, burgundy

$17,998

2021 Buick Encore FWD 4dr Preferred for Sale

Schaumburg, IL Jun 16, 2026

CarMax Schaumburg

Used 2021 Buick Encore, 21,626 miles, white

$18,998

2025 Buick Encore GX AWD 4dr Preferred for Sale

Belvidere, IL Jun 16, 2026

Kunes CDJR of Belvidere

Used 2025 Buick Encore GX, 25,741 miles, summit white

$22,013

2019 Buick LaCrosse 4dr Sdn Premium AWD *Ltd Avail* for Sale

Loves Park, IL Jun 16, 2026

Anderson Kia on Perryville

Used 2019 Buick LaCrosse, 127,894 miles, white frost tricoat

$15,000

2023 Buick Envision FWD 4dr Avenir for Sale

Naperville, IL Jun 16, 2026

Woody Buick GMC of Naperville

Used 2023 Buick Envision, 18,318 miles, sapphire

$32,000

2025 Buick Envista FWD 4dr Avenir for Sale

Springfield, IL Jun 16, 2026

Landmark Automotive Group

Used 2025 Buick Envista, 9,888 miles, ebony twilight metallic

$29,690

2019 Buick LaCrosse 4dr Sdn Avenir AWD for Sale

North Riverside, IL Jun 16, 2026

Castle Buick GMC of North Riverside

Used 2019 Buick LaCrosse, 61,232 miles, white frost tricoat

$26,186

2016 Buick Regal 4dr Sdn Turbo FWD for Sale

Naperville, IL Jun 16, 2026

Woody Buick GMC of Naperville

Used 2016 Buick Regal, 24,299 miles, sparkling silver metallic

$15,000

2025 Buick Encore GX AWD 4dr Preferred for Sale

Collinsville, IL Jun 16, 2026

Laura Buick GMC, Inc.

Used 2025 Buick Encore GX, 36,518 miles, summit white

$21,495

2023 Buick Encore GX FWD 4dr Select for Sale

Naperville, IL Jun 16, 2026

Woody Buick GMC of Naperville

Used 2023 Buick Encore GX, 31,613 miles, summit white

$20,000

2024 Buick Encore GX FWD 4dr Preferred for Sale

Belleville, IL Jun 16, 2026

Cardinal Buick GMC

Used 2024 Buick Encore GX, 33,793 miles, ebony twilight metallic

$21,000

2023 Buick Enclave FWD 4dr Essence for Sale

Breese, IL Jun 16, 2026

Jansen Ford of Breese

Used 2023 Buick Enclave, 21,572 miles, moonstone gray metallic

$34,590

2017 Buick Regal 4dr Sdn Premium II FWD for Sale

Schaumburg, IL Jun 16, 2026

CarMax Schaumburg

Used 2017 Buick Regal, 30,058 miles, burgundy

$19,998

2021 Buick Envision AWD 4dr Preferred for Sale

Hillside, IL Jun 16, 2026

CarMax Hillside (Eisenhower Expy)

Used 2021 Buick Envision, 72,935 miles, white

$19,998

2023 Buick Envision AWD 4dr Avenir for Sale

Hillside, IL Jun 16, 2026

CarMax Hillside (Eisenhower Expy)

Used 2023 Buick Envision, 23,945 miles, gray

$31,998

2024 Buick Envision AWD 4dr Sport Touring (ST) for Sale

Tinley Park, IL Jun 16, 2026

CarMax Tinley Park

Used 2024 Buick Envision, 12,503 miles, gray

$30,998

2023 Buick Enclave AWD 4dr Avenir for Sale

Hillside, IL Jun 16, 2026

CarMax Hillside (Eisenhower Expy)

Used 2023 Buick Enclave, 43,204 miles, black

$35,998

2022 Buick Envision FWD 4dr Preferred for Sale

Glencoe, IL Jun 16, 2026

CarMax Glencoe (Edens Expy)

Used 2022 Buick Envision, 29,271 miles, white

$23,998

2022 Buick Envision FWD 4dr Preferred for Sale

Glencoe, IL Jun 16, 2026

CarMax Glencoe (Edens Expy)

Used 2022 Buick Envision, 21,098 miles, orange

$24,998

2023 Buick Envision AWD 4dr Avenir for Sale

Naperville, IL Jun 16, 2026

CarMax Naperville

Used 2023 Buick Envision, 28,401 miles, black

$30,998