Used Buick Encore GX for Sale in Ontario, CA
Shop for a luxurious Buick Encore GX in the Gateway to Southern California
Skip to Filters
323 listings
- Price Drop$21,420fair price$482 below market
- 27,864 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL9RB189269
Stock: 78738
Certified Pre-Owned: No
Listed since: 06-27-2025 - $20,805good price$1,018 below market
- 19,264 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL4RB093298
Stock: 78321
Certified Pre-Owned: No
Listed since: 04-04-2025 - Price Drop$21,050good price$906 below market
- 17,432 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL7RB089388
Stock: 78606
Certified Pre-Owned: No
Listed since: 05-21-2025 - $20,401good price$983 below market
- 25,192 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL0RB145770
Stock: 78534
Certified Pre-Owned: No
Listed since: 05-09-2025 - Price Drop$21,128fair price$327 below market
- 24,230 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL4RB150440
Stock: 78842
Certified Pre-Owned: No
Listed since: 07-24-2025 - $21,998fair price$312 above market
- 21,123 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax Ontario (3 mi away)
Close
Located in Ontario, CA / 3 miles away from Ontario, CA
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL9RB148263
Stock: 27504615
Certified Pre-Owned: No - New Listing$22,415fair price$227 above market
- 14,166 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Hertz Car Sales Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
*All prices plus government fees and taxes, any finance charges, a dealer document preparation charge of $85, any electronic filing charge, and any em...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL3RB088772
Stock: 78936
Certified Pre-Owned: No
Listed since: 08-06-2025 - $21,998fair price$124 above market
- 18,565 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax Riverside (16 mi away)
Close
Located in Riverside, CA / 16 miles away from Ontario, CA
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL0RB145736
Stock: 27504620
Certified Pre-Owned: No - New Listing$15,400good price$691 below market
- 82,591 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 31 Hwy MPG
- Sunrise Ford Fontana (9 mi away)
Close
Located in Fontana, CA / 9 miles away from Ontario, CA
Recent Arrival! Clean CARFAX. CARFAX One-Owner.29/31 City/Highway MPG
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4MMBS2XPB063826
Stock: V67465
Certified Pre-Owned: No
Listed since: 07-31-2025 - $22,998fair price$727 above market
- 16,199 miles
- No accidents, 1 owner, personal use
- 5 Seats
- CarMax San Gabriel Valley/Duarte (21 mi away)
Close
Located in Duarte, CA / 21 miles away from Ontario, CA
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
Listing Information:
VIN: KL4MMDSLXPB076709
Stock: 27512230
Certified Pre-Owned: No - Price Drop$16,299fair price$654 below market
- 54,139 miles
- 1 accident, 2 owners, corporate fleet vehicle
- 5 Seats, 26 City / 29 Hwy MPG
- Covina Kia (16 mi away)
Close
Located in Covina, CA / 16 miles away from Ontario, CA
The 2020 Buick Encore GX AWD *Preferred Equipment Group 1SB* stands out in the compact SUV market with its exceptional blend of performance, technolog...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
28 Combined MPG (26 City/29 Highway)
Listing Information:
VIN: KL4MMCSL6LB121892
Stock: PA3569
Certified Pre-Owned: No
Listed since: 06-05-2025 - Price Drop
- 9,050 miles
- Frame damage reported, 1 owner, personal use
- 5 Seats
- California Motors Direct Montclair (4 mi away)
Close
Located in Montclair, CA / 4 miles away from Ontario, CA
Odometer is 6775 miles below market average! Priced below KBB Fair Purchase Price!Hands-Free Power Liftgate Package (Hands Free Power Liftgate), Pre...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Issue reported
Salvage Vehicle: No
Frame Damage: Yes
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: KL4MMDSL4PB033547
Stock: PB033547
Certified Pre-Owned: No
Listed since: 07-03-2025 - Price Drop
- 233 miles
- No accidents, 1 owner, personal use only
- 5 Seats, 29 City / 32 Hwy MPG
- Puente Hills Hyundai (18 mi away)
Close
Located in City of Industry, CA / 18 miles away from Ontario, CA
** WOW! 233 MILES ...THAT'S IT! SAVE HUGE MONEY!! carfax NO ACCIDENTS ** LOADED WITH TECHNOLOGY PACKAGE ** CONVENIENCE PACKAGE ** ADAPTIVE CRUISE CONT...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/32 Highway)
Listing Information:
VIN: KL4AMFSLXRB146243
Stock: SU342144A
Certified Pre-Owned: No
Listed since: 06-05-2025 - 12,773 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax San Gabriel Valley/Duarte (21 mi away)
Close
Located in Duarte, CA / 21 miles away from Ontario, CA
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL7RB186784
Stock: 27428146
Certified Pre-Owned: No- 11,914 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- CarMax San Gabriel Valley/Duarte (21 mi away)
Close
Located in Duarte, CA / 21 miles away from Ontario, CA
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: Yes
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL9RB186561
Stock: 27504634
Certified Pre-Owned: No- New Listing$20,555good price$1,243 below market
- 19,606 miles
- No accidents, 1 owner, corporate fleet vehicle
- 5 Seats, 29 City / 31 Hwy MPG
- Kar Genie (5 mi away)
Close
Located in Montclair, CA / 5 miles away from Ontario, CA
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4AMDSL6RB162377
Stock: T66809
Certified Pre-Owned: No - 27,993 miles
- Frame damage reported, 2 owners, personal use
- 5 Seats, 29 City / 31 Hwy MPG
- California Motors Direct Montclair (4 mi away)
Close
Located in Montclair, CA / 4 miles away from Ontario, CA
Priced below KBB Fair Purchase Price!Hands-Free Power Liftgate Package (Hands Free Power Liftgate), Preferred Equipment Group 1SD (Heated Driver & F...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Issue reported
Salvage Vehicle: No
Frame Damage: Yes
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
30 Combined MPG (29 City/31 Highway)
Listing Information:
VIN: KL4MMDS24PB067608
Stock: PB067608
Certified Pre-Owned: No
Listed since: 06-19-2025- New Listing$22,288good price$826 below market
- 14,285 miles
- No accidents, 1 owner, corporate fleet vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Kar Genie (5 mi away)
Close
Located in Montclair, CA / 5 miles away from Ontario, CA
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL3RB086882
Stock: T66646
Certified Pre-Owned: No - $19,990great price$4,332 below market
- 28,931 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Phoenix, AZ / 321 miles away from Ontario, CA
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL0RB171744
Stock: 2003730482
Certified Pre-Owned: No
Listed since: 05-10-2025 - New Listing$19,990great price$4,357 below market
- 28,660 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Albuquerque, NM / 627 miles away from Ontario, CA
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL3RB171950
Stock: 2003768452
Certified Pre-Owned: No
Listed since: 05-27-2025 - $19,990great price$4,027 below market
- 32,196 miles
- No accidents, 1 owner, rental vehicle
- 5 Seats, 26 City / 28 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Phoenix, AZ / 321 miles away from Ontario, CA
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (26 City/28 Highway)
Listing Information:
VIN: KL4AMESL6RB189827
Stock: 2003757979
Certified Pre-Owned: No
Listed since: 05-22-2025
Showing 1 - 21 out of 323 listings
Filters
Skip to ResultsApplied Filters4Active
Make & Model
Year
New / Used
Price & Payments
Price Rating
Body Type
Trim
Mileage
Accidents & History
Engine & Drivetrain
Exterior Color
Interior Color
Total Seating
Edmunds Review
Features
Options & Packages
MPG
* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.