CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used Buick Cars for Sale near Union, IL

1,549 results
Union, IL
2023 Buick Encore GX Select AWD Zimbrick Eastside

2023 Buick Encore GX

Select AWD

30,272 miles

$22,000

Good Deal
Certified Pre-Owned
Madison, WI
75 mi away
Year:
2023
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
155 hp 1.3L I3
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
30,272
Stock number:
UG36127
VIN:
KL4MMESL3PB020892

Sponsored

2023 Buick Enclave Premium AWD

2023 Buick Enclave

Premium AWD

59,257 miles

$32,212

Fair Deal
Mount Carroll, IL
76 mi away
Year:
2023
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
Moonstone Gray Metallic
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black (Dark Galvanized With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
59,257
Stock number:
03X453
VIN:
5GAEVBKW3PJ166586

Sponsored

2018 Buick Encore Premium AWD

2018 Buick Encore

Premium AWD

26,829 miles

$15,865

Good Deal
Hodgkins, IL
45 mi away
Year:
2018
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Exterior color:
Black (Ebony Twilight Metallic)
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic Overdrive
Mileage:
26,829
Stock number:
260359A
VIN:
KL4CJHSM4JB574934

Sponsored

2025 Buick Encore GX Preferred FWD

2025 Buick Encore GX

Preferred FWD

35,946 miles

$18,721

Great Deal
Lake Geneva, WI
26 mi away
Year:
2025
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
137 hp 1.2L I3 Flex Fuel Vehicle
Exterior color:
Summit White
Combined gas mileage:
30 MPG
Fuel type:
Flex Fuel Vehicle
Interior color:
Black (Ebony Seats With Ebony Interior Accents)
Transmission:
Continuously Variable Transmission
Mileage:
35,946
Stock number:
30P1082
VIN:
KL4AMBSP9SB146591

2023 Buick Envision Essence FWD

2023 Buick Envision

Essence FWD

65,370 miles

$20,041

Great Deal
Rochelle, IL
34 mi away
Year:
2023
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
228 hp 2L I4
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Seats)
Transmission:
9-Speed Automatic
Mileage:
65,370
Stock number:
P1145
VIN:
LRBFZNR45PD085938

2016 Buick Encore FWD

2016 Buick Encore

FWD

48,594 miles

$13,197

Good Deal
Store transfer to Algonquin, IL
489 mi away • Price includes $199 shipping Price includes $199 shipping
Year:
2016
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
White
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
Automatic
Mileage:
48,594
Stock number:
28400867
VIN:
KL4CJASB7GB713372

Preparing for a close up...

Photos coming soon

2020 Buick Enclave

Essence FWD

121,181 miles

$14,995

Fair Deal
Rochelle, IL
34 mi away
Year:
2020
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
Quicksilver Metallic
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Interior color:
Black (Dark Galvanized With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
121,181
Stock number:
P1058B
VIN:
5GAERBKW8LJ185715

Preparing for a close up...

Photos coming soon

2014 Buick Encore

Premium FWD

93,458 miles

$7,999

Good Deal
Glenview, IL
38 mi away
Year:
2014
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
Black
Combined gas mileage:
29 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
93,458
Stock number:
T2167AA
VIN:
KL4CJDSB3EB651564

Preparing for a close up...

Photos coming soon

2017 Buick Regal

Sport Touring Sedan FWD

81,301 miles

$12,675

Good Deal
Freeport, IL
56 mi away
Year:
2017
Make:
Buick
Model:
Regal
Body type:
Sedan
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
259 hp 2L I4
Exterior color:
Black Onyx
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic
Mileage:
81,301
Stock number:
74741
VIN:
2G4GL5EX6H9185872

Preparing for a close up...

Photos coming soon

2023 Buick Envision

Essence AWD

31,671 miles

$25,996

Great Deal
Certified Pre-Owned
Lansing, IL
67 mi away
Year:
2023
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
228 hp 2L I4
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
9-Speed Automatic
Mileage:
31,671
Stock number:
E8861
VIN:
LRBFZPR44PD020851

Preparing for a close up...

Photos coming soon

2014 Buick LaCrosse

Leather FWD

86,492 miles

$11,507

Fair Deal
Merrillville, IN
78 mi away
Year:
2014
Make:
Buick
Model:
LaCrosse
Body type:
Sedan
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
304 hp 3.6L V6
Exterior color:
Quicksilver Metallic
Fuel type:
Gasoline
Interior color:
Light Neutral
Transmission:
6-Speed Automatic Overdrive
Mileage:
86,492
Stock number:
C203A
VIN:
1G4GB5G35EF100505

Preparing for a close up...

Photos coming soon

2020 Buick Encore GX

Essence AWD

80,340 miles

$14,698

Great Deal
Saint Charles, IL
24 mi away
Year:
2020
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
150 hp 1.3L I3
Exterior color:
Dark Moon Blue Metallic
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
80,340
Stock number:
F4737
VIN:
KL4MMGSL8LB106866

Preparing for a close up...

Photos coming soon

2023 Buick Enclave

Essence AWD

31,942 miles

$31,000

Good Deal
Certified Pre-Owned
Lansing, IL
67 mi away
Year:
2023
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
Moonstone Gray Metallic
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black (Dark Galvanized With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
31,942
Stock number:
E8898
VIN:
5GAEVAKW4PJ178109

Preparing for a close up...

Photos coming soon

2025 Buick Encore GX

Preferred AWD

24,934 miles

$21,450

Good Deal
Belvidere, IL
18 mi away
Year:
2025
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
155 hp 1.3L I3
Exterior color:
Summit White
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Seats With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
24,934
Stock number:
26P2925
VIN:
KL4AMCSL1SB162819

Preparing for a close up...

Photos coming soon

2020 Buick Enclave

Essence AWD

39,308 miles

$23,900

Fair Deal
Tinley Park, IL
56 mi away
Year:
2020
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black (Shale With Ebony Interior Accents Perforated Leath)
Transmission:
9-Speed Automatic
Mileage:
39,308
Stock number:
14998
VIN:
5GAEVAKW9LJ196826

Preparing for a close up...

Photos coming soon

2023 Buick Envision

Essence AWD

24,261 miles

$26,405

Great Deal
Certified Pre-Owned
Oak Lawn, IL
53 mi away
Year:
2023
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
228 hp 2L I4
Exterior color:
Moonstone Gray Metallic
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Seats)
Transmission:
9-Speed Automatic
Mileage:
24,261
Stock number:
21191P
VIN:
LRBFZPR40PD217385

Preparing for a close up...

Photos coming soon

2025 Buick Envision

Preferred AWD

14,719 miles

$28,993

Fair Deal
Waupun, WI
99 mi away
Year:
2025
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
228 hp 2L I4
Exterior color:
Black
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
14,719
Stock number:
P4427
VIN:
LRBFZKE44SD074314

Preparing for a close up...

Photos coming soon

2025 Buick Envista

Sport Touring FWD

15,765 miles

$24,500

Good Deal
Chicago, IL
53 mi away
Year:
2025
Make:
Buick
Model:
Envista
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
137 hp 1.2L I3 Flex Fuel Vehicle
Exterior color:
Summit White
Combined gas mileage:
22 MPG
Fuel type:
Flex Fuel Vehicle
Interior color:
Black (Ebony Seats Interior With Santorini Blue Stitc)
Transmission:
6-Speed Automatic
Mileage:
15,765
Stock number:
P25366
VIN:
KL47LBEP7SB180537

Preparing for a close up...

Photos coming soon

2022 Buick Encore GX

Preferred FWD

30,322 miles

$17,896

Good Deal
Saint Charles, IL
24 mi away
Year:
2022
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
137 hp 1.2L I3
Exterior color:
Sapphire Metallic
Combined gas mileage:
30 MPG
Fuel type:
Gasoline
Interior color:
Brown (Whisper Beige With Ebony Interior Accents)
Transmission:
Continuously Variable Transmission
Mileage:
30,322
Stock number:
N7685A
VIN:
KL4MMBS26NB147574

Preparing for a close up...

Photos coming soon

2020 Buick Enclave

Avenir AWD

127,192 miles

$18,757

Good Deal
Wanatah, IN
99 mi away
Year:
2020
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
Red
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Brown
Transmission:
Automatic
Mileage:
127,192
Stock number:
1014
VIN:
5GAEVCKW5LJ292027

Preparing for a close up...

Photos coming soon

2019 Buick Envision

Essence AWD

143,718 miles

$12,988

Fair Deal
Rochelle, IL
34 mi away
Year:
2019
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
2.5L I4
Exterior color:
Bronze Alloy Metallic
Combined gas mileage:
24 MPG
Fuel type:
Gasoline
Interior color:
Light Neutral
Transmission:
6-Speed Automatic
Mileage:
143,718
Stock number:
G1618C
VIN:
LRBFX2SA3KD007008

Preparing for a close up...

Photos coming soon

2021 Buick Encore GX

Essence AWD

74,204 miles

$19,266

Fair Deal
Delavan, WI
29 mi away
Year:
2021
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
155 hp 1.3L I3
Exterior color:
Black Currant Metallic
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Brown (Whisper Beige)
Transmission:
9-Speed Automatic
Mileage:
74,204
Stock number:
02T2447D
VIN:
KL4MMGSL3MB149884

Preparing for a close up...

Photos coming soon

2021 Buick Encore

Preferred AWD

52,402 miles

$16,925

Fair Deal
Des Plaines, IL
35 mi away
Year:
2021
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
Summit White
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic
Mileage:
52,402
Stock number:
MB313070
VIN:
KL4CJESB3MB313070

Sponsored

  1. Home
  2. / Used Cars
  3. / Buick
  4. / Illinois
  5. / Union
Reviews

4.3 Overall rating

(2,522 reviews)

Customers say

Buick cars are known for their comfort, spacious interiors, and reliable performance. Many owners appreciate the smooth ride and stylish design across the different models. However, some drivers have expressed concerns about outdated technology, limited trunk space, and occasional mechanical issues. Overall, Buick offers a solid mix of luxury and practicality, making it a popular choice for families.

AI generated from the text of customer reviews.

What people say

comfort fuel economy interior performance power
Madison D
3.0
Reviewed a 2016 Buick Sedan FWD on Jun 06, 2024

This car ran like a dream for its first 100k or so miles, but once it hit that 100k, its been problem after problem. Ive had the entire transmission rebuilt, as it started slipping, and it has continued to throw up other issues with the engine since then. My first car was an old 05 Buick Lacrosse, and that thing was built like a tank; it was in multiple accidents and didnt give out until well over 250k miles with just basic maintenance. This one pales in comparison. Its a nice ride, for sure, with nice features, decent-ish gas mileage, and like I said, its great until you hit that 100k mark. Once you hit it, be prepared for many problems back to back.

Anonymous
5.0
Reviewed a 2014 Buick Premium AWD on Jan 19, 2025

although high miles the Buick is in GREAT condition. very happy with it so far.

John I
4.0
Reviewed a 2008 Buick Lucerne on May 26, 2024

Steel body, soundproof, Buick quality,safe, comfortable ride and seats, bullet proof 3800 engine, locate parts easy. Could go on. Beast

Larry C
5.0
Reviewed a 2017 Buick Envision on Apr 25, 2024

My 2017 Buick Envision Essence was the best car I ever owned. No mechanical issues and Buick comfort. I drive it for 7 years one set of tires , oil changes and a battery 108,000 miles. So I bought a new 2023 Buick Envision Essence ; loving it too.

Clyde N
4.0
Reviewed a 2016 Buick Premium II Sedan AWD on Sep 26, 2024

This vehicle has great features! This vehicle has very good value! This car is missing a moon roof. I compare this vehicle to a Chevrolet Malibu LT.

  • Used Buick for Sale Under $10,000 Near Union

  • Used Buick for Sale Under $15,000 Near Union

  • Used Buick for Sale Under $20,000 Near Union

  • Used Buick for Sale Under $25,000 Near Union

  • Used Buick for Sale Under $30,000 Near Union

  • Used Buick for Sale Under $40,000 Near Union

  • Classic Muscle Cars for Sale in Union IL

  • Cheap Muscle Cars for Sale in Union IL

  • Reliable Cars For Sale in Union IL

  • GM Certified Preowned Vehicles for Sale Near Union IL

  • Used Buick for Sale with Low Mileage in Union

  • Buick in Palatine IL

  • Buick in Rockford IL

  • Buick in Aurora IL

  • Buick in Janesville WI

  • Buick in Kenosha WI

  • Buick in Chicago IL

  • Buick in Milwaukee WI

  • Buick in Madison WI

  • Buick in Clinton IA

  • Buick Envision in Union IL

  • Buick Enclave in Union IL

  • Buick Encore GX in Union IL

  • Buick Envista in Union IL

  • Buick Encore in Union IL

  • Buick LaCrosse in Union IL

  • Buick Regal in Union IL

  • Buick Verano in Union IL

  • Buick Lucerne in Union IL

  • Buick Cascada in Union IL

  • Buick LeSabre in Union IL

  • Buick Regal Sportback in Union IL

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage in Union

  • Used SUVs / Crossovers for Sale with Low Mileage in Union

  • Used Hatchbacks for Sale with Low Mileage in Union

  • Used Convertibles for Sale with Low Mileage in Union

  • Used Vans for Sale with Low Mileage in Union

  • Used Minivans for Sale with Low Mileage in Union

  • Used Pickup Trucks for Sale with Low Mileage in Union

  • Used Coupes for Sale with Low Mileage in Union

  • Used Wagons for Sale with Low Mileage in Union

  • Marquardt of Barrington

  • Arlington Heights Buick GMC

  • Kayser Chevrolet Buick GMC

  • Lynch GM Superstore

  • Haggerty Buick GMC Inc

  • Napleton's Schaumburg Buick GMC

  • Napleton Buick GMC Crystal Lake

  • Brodhead Automobiles

  • Kunes Chevrolet GMC of Lake Geneva

  • Jeff Perry Chevrolet Buick Cadillac

  • Dekalb Sycamore Chevrolet Cadillac GMC

  • Woody Buick GMC Gurnee

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.