Dealer

Sommer's Buick Gmc

Explore a wide selection of high-quality used and certified pre-owned vehicles at Sommer's Buick Gmc – your trusted auto dealership in Mequon, WI.









Dealers
48 cars found
Certified 21,515 mi

2022 Buick Encore GX Preferred

Mequon, WI
Gasoline
Automatic
AWD
$21,770
or $379/mo
Certified 19,073 mi

2024 GMC Acadia Denali

Mequon, WI
Gasoline
Automatic
AWD
$53,990
or $941/mo
Used 50,394 mi

2020 GMC Terrain SLT

Mequon, WI
Gasoline
Automatic
AWD
$21,770
or $379/mo
Certified 25,326 mi

2022 GMC Acadia SLT

Mequon, WI
Gasoline
Automatic
AWD
$31,990
or $557/mo
Certified 39,165 mi

2023 Buick Enclave Avenir

Mequon, WI
Gasoline
Automatic
AWD
$43,990
or $766/mo
Certified 32,690 mi

2022 GMC Terrain SLE

Mequon, WI
Gasoline
Automatic
AWD
$23,490
or $409/mo
Certified 31,582 mi

2024 Buick Enclave Avenir

Mequon, WI
Gasoline
Automatic
AWD
$46,990
or $819/mo
Certified 57,244 mi

2025 Buick Enclave Sport Touring

Mequon, WI
Gasoline
Automatic
FWD
$40,990
or $714/mo
Certified 13,500 mi

2022 GMC Terrain SLE

Mequon, WI
Gasoline
Automatic
AWD
$24,990
or $435/mo
Used 69,100 mi

2020 GMC Terrain SLE

Mequon, WI
Gasoline
Automatic
AWD
$17,990
or $313/mo
Certified 19,398 mi

2023 Buick Encore GX Select

Mequon, WI
Gasoline
Automatic
AWD
$23,990
or $418/mo
Certified 25,335 mi

2022 GMC Sierra 1500 Denali Denali Ultimate

Mequon, WI
Diesel
Automatic
AWD
$58,490
or $1,019/mo
Used 87,854 mi

2020 GMC Acadia SLT

Mequon, WI
Gasoline
Automatic
AWD
$19,990
or $348/mo
Used 84,939 mi

2022 GMC Acadia AT4

Mequon, WI
Gasoline
Automatic
AWD
$24,990
or $435/mo
Certified 56,682 mi

2021 Buick Enclave Avenir

Mequon, WI
Gasoline
Automatic
AWD
$29,990
or $522/mo
Certified 20,970 mi

2021 Buick Envision Avenir

Mequon, WI
Gasoline
Automatic
AWD
$28,990
or $505/mo