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 for Sale Under $20,000 Near Prairie du Rocher, IL

541 results
Prairie du Rocher, IL
2022 Buick Envision Avenir FWD Auffenberg Hyundai

2022 Buick Envision

Avenir FWD

103,287 miles

$18,608

Great Deal
O Fallon, IL
35 mi away
Year:
2022
Make:
Buick
Model:
Envision
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
228 hp 2L I4
Exterior color:
Summit White
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Seats)
Transmission:
9-Speed Automatic
Mileage:
103,287
Stock number:
74472H
VIN:
LRBFZRR45ND063247

Sponsored

2021 Buick Encore Preferred AWD

2021 Buick Encore

Preferred AWD

53,645 miles

$15,996

Fair Deal
Shiloh, IL
33 mi away
Year:
2021
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
155 hp 1.4L I4
Exterior color:
Black (Ebony Twilight Metallic)
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic Overdrive
Mileage:
53,645
Stock number:
14036N
VIN:
KL4CJESM7MB377436

Sponsored

2017 Buick Encore Preferred FWD

2017 Buick Encore

Preferred FWD

106,445 miles

$9,995

Fair Deal
Hazelwood, MO
49 mi away
Year:
2017
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
29 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Leather)
Transmission:
Automatic
Mileage:
106,445
Stock number:
V250656A
VIN:
KL4CJASB0HB066766

Sponsored

2018 Buick Regal TourX Essence AWD

2018 Buick Regal TourX

Essence AWD

67,216 miles

$20,597

Good Deal
Store transfer to Saint Louis, MO
1,728 mi away • Price includes $1,599 shipping Price includes $1,599 shipping
Year:
2018
Make:
Buick
Model:
Regal TourX
Body type:
Wagon
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
250 hp 2L I4
Exterior color:
White
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
67,216
Stock number:
27764604
VIN:
W04GV8SXXJ1177055

2013 Buick Enclave Premium FWD

2013 Buick Enclave

Premium FWD

117,884 miles

$9,473

Fair Deal
Sparta, IL
22 mi away
Year:
2013
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
288 hp 3.6L V6
Exterior color:
White Diamond Tricoat
Combined gas mileage:
20 MPG
Fuel type:
Gasoline
Interior color:
Brown (Beige)
Transmission:
6-Speed Automatic
Mileage:
117,884
Stock number:
GM249773
VIN:
5GAKRDKD5DJ249773

2015 Buick LaCrosse Premium II FWD

2015 Buick LaCrosse

Premium II FWD

59,943 miles

$18,347

Fair Deal
Store transfer to Saint Louis, MO
734 mi away • Price includes $349 shipping Price includes $349 shipping
Year:
2015
Make:
Buick
Model:
LaCrosse
Body type:
Sedan
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
304 hp 3.6L V6
Exterior color:
White
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
CREAM
Transmission:
Automatic
Mileage:
59,943
Stock number:
28282513
VIN:
1G4GF5G34FF167487

Preparing for a close up...

Photos coming soon

2017 Buick Cascada

Sport Touring FWD

92,836 miles

$13,767

Good Deal
Fairview Heights, IL
35 mi away
Year:
2017
Make:
Buick
Model:
Cascada
Body type:
Convertible
Doors:
2 doors
Drivetrain:
Front-Wheel Drive
Engine:
1.6L I4
Exterior color:
Blue
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
92,836
Stock number:
7572
VIN:
W04WJ3N5XHG155424

Preparing for a close up...

Photos coming soon

2016 Buick Enclave

Leather AWD

140,000 miles

$9,490

Good Deal
Ellisville, MO
43 mi away
Year:
2016
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
288 hp 3.6L V6
Exterior color:
Black (Ebony Twilight Metallic)
Fuel type:
Gasoline
Interior color:
Black (Ebony W/Ebony Accents)
Transmission:
6-Speed Automatic Overdrive
Mileage:
140,000
Stock number:
J1013A
VIN:
5GAKVBKD9GJ224587

Preparing for a close up...

Photos coming soon

2017 Buick Enclave

Leather FWD

97,507 miles

$13,400

Fair Deal
Ballwin, MO
43 mi away
Year:
2017
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
288 hp 3.6L V6
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony w/Ebony Accents)
Transmission:
6-Speed Automatic
Mileage:
97,507
Stock number:
75089
VIN:
5GAKRBKD0HJ102190

Preparing for a close up...

Photos coming soon

2018 Buick Encore

Preferred FWD

95,722 miles

$10,900

Good Deal
St Louis, MO
37 mi away
Year:
2018
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
6-Speed Automatic Overdrive
Mileage:
95,722
Stock number:
PE10487A
VIN:
KL4CJASB0JB584298

Preparing for a close up...

Photos coming soon

2018 Buick Encore

Preferred FWD

69,380 miles

$12,999

Good Deal
Crystal City, MO
18 mi away
Year:
2018
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:
30 MPG
Fuel type:
Gasoline
Mileage:
69,380
Stock number:
11544
VIN:
KL4CJASB7JB689503

Preparing for a close up...

Photos coming soon

2017 Buick Encore

Preferred FWD

106,445 miles

$9,995

Fair Deal
Hazelwood, MO
49 mi away
Year:
2017
Make:
Buick
Model:
Encore
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
138 hp 1.4L I4
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
29 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony Leather)
Transmission:
Automatic
Mileage:
106,445
Stock number:
V250656A
VIN:
KL4CJASB0HB066766

Preparing for a close up...

Photos coming soon

2016 Buick Regal

Sport Touring Sedan FWD

81,593 miles

$11,900

Great Deal
Waterloo, IL
19 mi away
Year:
2016
Make:
Buick
Model:
Regal
Body type:
Sedan
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
259 hp 2L I4
Exterior color:
White Frost Tricoat
Combined gas mileage:
25 MPG
Fuel type:
Gasoline
Interior color:
Light Neutral w/Cocoa Accents
Transmission:
6-Speed Automatic
Mileage:
81,593
Stock number:
T14394B
VIN:
2G4G35EX7G9208252

Preparing for a close up...

Photos coming soon

2020 Buick Enclave

Essence AWD

76,234 miles

$19,710

Good Deal
Manchester, MO
40 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:
Black (Ebony Twilight Metallic)
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black (Dark Galvanized With Ebony Interior Accents)
Transmission:
9-Speed Automatic
Mileage:
76,234
Stock number:
D12504P
VIN:
5GAEVAKW9LJ285179

Preparing for a close up...

Photos coming soon

2020 Buick Encore GX

Select FWD

64,987 miles

$15,900

Good Deal
Breese, IL
48 mi away
Year:
2020
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
150 hp 1.3L I3
Exterior color:
Dark Moon Blue Metallic
Combined gas mileage:
31 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony With Ebony Interior Accents)
Transmission:
Continuously Variable Transmission
Mileage:
64,987
Stock number:
25129A
VIN:
KL4MMDSL2LB111348

Preparing for a close up...

Photos coming soon

2015 Buick Enclave

Premium AWD

168,750 miles

$6,950

Good Deal
Chesterfield, MO
49 mi away
Year:
2015
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
288 hp 3.6L V6
Exterior color:
Brown
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Brown
Transmission:
6-Speed Automatic
Mileage:
168,750
Stock number:
217821
VIN:
5GAKVCKD5FJ217821

Preparing for a close up...

Photos coming soon

2022 Buick Encore GX

Preferred AWD

25,000 miles

$18,999

Great Deal
Crystal City, MO
18 mi away
Year:
2022
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
155 hp 1.3L I3
Exterior color:
Gray
Combined gas mileage:
27 MPG
Fuel type:
Gasoline
Mileage:
25,000
Stock number:
11584
VIN:
KL4MMCSL5NB036867

Preparing for a close up...

Photos coming soon

2024 Buick Encore GX

Sport Touring FWD

25,683 miles

$19,998

Great Deal
Herculaneum, MO
20 mi away
Year:
2024
Make:
Buick
Model:
Encore GX
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
155 hp 1.3L I3
Exterior color:
Sunrise Red Metallic
Combined gas mileage:
30 MPG
Fuel type:
Gasoline
Interior color:
Black (Ebony)
Transmission:
Continuously Variable Transmission
Mileage:
25,683
Stock number:
R86237
VIN:
KL4AMDSL9RB133195

Preparing for a close up...

Photos coming soon

2018 Buick Enclave

Premium AWD

83,644 miles

$17,163

Great Deal
St Louis, MO
31 mi away
Year:
2018
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
White Frost Tricoat
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Dark Galvanized Leather
Transmission:
Automatic
Mileage:
83,644
Stock number:
26061A
VIN:
5GAEVBKW5JJ268625

Preparing for a close up...

Photos coming soon

2018 Buick Enclave

Avenir AWD

83,450 miles

$18,977

Good Deal
Saint Louis, MO
33 mi away
Year:
2018
Make:
Buick
Model:
Enclave
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
310 hp 3.6L V6
Exterior color:
White Frost Tricoat
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Chestnut
Transmission:
9-Speed Automatic
Mileage:
83,450
Stock number:
PJK2418
VIN:
5GAEVCKW2JJ268703

Sponsored

  1. Home
  2. / Used Cars
  3. / Buick
  4. / Illinois
  5. / Prairie du Rocher

  • Used White Buick for Sale in Prairie du Rocher

  • Used Blue Buick for Sale in Prairie du Rocher

  • Used Red Buick for Sale in Prairie du Rocher

  • Used Black Buick for Sale in Prairie du Rocher

  • Used Silver Buick for Sale in Prairie du Rocher

  • Used Gray Buick for Sale in Prairie du Rocher

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.