O'neil GMC in Warminster, PA
Dealer Analysis
218 Cars for sale
Avg. Price: 32967.6
Typical Price Range: 15523.0–55953.0
Average Savings ($) Below Market Price
Avg. Savings: N/A
% of Used Cars That Are Deals
Avg. Mileage: 43984.0
Typical Mileage Range: 4476.0–86605.0
% of Listings with Valid Price, Mileage, and Photo
- This Dealer
- Average Dealer
O'neil GMC is given a 4.1 "overall dealer rating" based on our analysis of 674 cars the dealer recently listed for sale. This assesses the dealer's price competitiveness, responsiveness to inquiries, and information transparency (how good the dealers are at providing basic information such as vehicle photos, price and mileage).
Inventory Analysis
Vehicle Age
Top Makes
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Domestic/Foreign
Luxury/Non-Luxury
Showing 1-20 of 218 Listings
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$20,642
$20,800
GREAT DEAL
2020 Lincoln Corsair Reserve
- 52,422 Miles
- Warminster, PA (0 mi away)
- $3,432 Below market value of $24,074
- 1 Owner, Low annual miles
- Listed 110 days ago
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Used 2020 Lincoln Corsair Reserve for Sale
52,422 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $20,642 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 5LMCJ2D98LUL09770 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 52,422 mi. |
| Transmission | Automatic |
| Exterior Color | Burgundy velvet |
| Interior Color | Black |
| MPG | 24 combined |
| Drivetrain | All-wheel drive |
| Positives | non-smoker, one owner, clean history, receipts, certified pre-owned car, new tires, warranty |
$17,995
$18,495
GOOD DEAL
2018 Mercedes-Benz GLA-Class GLA 250 4MATIC
- 51,878 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 7.6785283 yrs
- $1,313 Below market value of $19,308
- Listed 37 days ago
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Used 2018 Mercedes-Benz GLA-Class GLA 250 4MATIC for Sale
51,878 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $17,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | WDCTG4GB7JJ483399 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, alloy wheels |
| Mileage | 51,878 mi. |
| Transmission | Automatic |
| Exterior Color | Night black |
| Interior Color | Black |
| MPG | 26 combined |
| Drivetrain | All-wheel drive |
$22,500
GOOD DEAL
2018 Jeep Wrangler Unlimited Sport S
- 76,954 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 8.410812 yrs
- $1,006 Below market value of $23,506
- Listed 20 days ago
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Used 2018 Jeep Wrangler Unlimited Sport S for Sale
76,954 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $22,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1C4HJXDG2JW159553 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, alloy wheels, voice recognition |
| Mileage | 76,954 mi. |
| Transmission | Automatic |
| Exterior Color | Billet silver metallic clearco |
| Interior Color | Black |
| Drivetrain | 4X4 |
$32,332
$32,850
GOOD DEAL
2026 GMC Terrain Elevation
- 9,697 Miles
- Warminster, PA (0 mi away)
- $677 Below market value of $33,009
- 1 Owner, Low annual miles
- Listed 9 days ago
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Used 2026 GMC Terrain Elevation for Sale
9,697 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $32,332 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALUEG8TL138292 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 9,697 mi. |
| Transmission | Automatic |
| Exterior Color | Riverstone metallic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
| Positives | receipts, warranty, new tires, one owner, clean history, non-smoker, certified pre-owned car |
$73,295
$73,766
FAIR DEAL
2022 Chevrolet Corvette Stingray
- 2,323 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 23.66803 yrs
- $3,006 Above market value of $70,288
- Listed 20 days ago
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Used 2022 Chevrolet Corvette Stingray for Sale
2,323 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $73,295 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 2 Seats |
| VIN | 1G1YC2D46N5110847 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, navigation, backup camera, leather upholstery, alloy wheels |
| Mileage | 2,323 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| MPG | 19 combined |
| Drivetrain | Rear-wheel drive |
$69,995
$70,089
FAIR DEAL
2026 BMW X5 xDrive40i
- 9,478 Miles
- Warminster, PA (0 mi away)
- $1,197 Above market value of $68,798
- 1 Owner, Low annual miles
- Listed 28 days ago
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Used 2026 BMW X5 xDrive40i for Sale
9,478 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $69,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Seats | 5 Seats |
| VIN | 5UX23EU02T9192463 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 9,478 mi. |
| Transmission | Automatic |
| Exterior Color | Carbon black metallic |
| MPG | 25 combined |
| Drivetrain | All-wheel drive |
$68,995
$69,486
FAIR DEAL
2023 GMC Yukon Denali Ultimate
- 44,993 Miles
- Warminster, PA (0 mi away)
- $616 Above market value of $68,378
- 1 Owner, Low annual miles
- Listed 56 days ago
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Used 2023 GMC Yukon Denali Ultimate for Sale
44,993 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $68,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1GKS2EKLXPR501267 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 44,993 mi. |
| Transmission | Automatic |
| Exterior Color | Sterling metallic |
| MPG | 16 combined |
| Drivetrain | 4X4 |
$49,575
FAIR DEAL
2020 Chevrolet Silverado 2500HD LTZ
- 53,400 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 5.997411 yrs
- $591 Above market value of $50,166
- Listed 15 days ago
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Used 2020 Chevrolet Silverado 2500HD LTZ for Sale
53,400 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $49,575 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1GC4YPE74LF134066 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, alloy wheels |
| Mileage | 53,400 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| Drivetrain | 4X4 |
| Positives | receipts, warranty, clean history, non-smoker, new tires, one owner, certified pre-owned car |
$17,995
FAIR DEAL
2019 GMC Terrain SLE
- 57,824 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 5.6738834 yrs
- $691 Above market value of $17,304
- Listed 15 days ago
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Used 2019 GMC Terrain SLE for Sale
57,824 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $17,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALMEV3KL359537 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, internet radio, alloy wheels |
| Mileage | 57,824 mi. |
| Transmission | Automatic |
| Exterior Color | Blue emerald metallic |
| Interior Color | Black |
| MPG | 28 combined |
| Drivetrain | Front-wheel drive |
$20,871
$21,520
FAIR DEAL
2023 Buick Encore GX Select
- 42,398 Miles
- Warminster, PA (0 mi away)
- $621 Above market value of $20,250
- 1 Owner, Low annual miles
- Listed 32 days ago
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Used 2023 Buick Encore GX Select for Sale
42,398 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $20,871 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 3-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | KL4MMESL7PB116850 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, internet radio, alloy wheels |
| Mileage | 42,398 mi. |
| Transmission | Automatic |
| Exterior Color | Ebony twilight metallic |
| Interior Color | Black |
| MPG | 27 combined |
| Drivetrain | All-wheel drive |
$40,877
$41,367
FAIR DEAL
2020 GMC Sierra 1500 SLT
- 45,254 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 8.049681 yrs
- $974 Above market value of $39,903
- Listed 57 days ago
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Used 2020 GMC Sierra 1500 SLT for Sale
45,254 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $40,877 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1GTU9DEL8LZ255917 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, alloy wheels |
| Mileage | 45,254 mi. |
| Transmission | Automatic |
| Exterior Color | Dark sky metallic |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | non-smoker, one owner, clean history, receipts, certified pre-owned car, new tires, warranty |
$60,969
FAIR DEAL
2023 GMC Yukon XL Denali
- 54,432 Miles
- Warminster, PA (0 mi away)
- $2,040 Above market value of $58,929
- 1 Owner
- Listed 15 days ago
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Used 2023 GMC Yukon XL Denali for Sale
54,432 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $60,969 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1GKS2JKL1PR353468 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 54,432 mi. |
| Transmission | Automatic |
| Exterior Color | White frost tricoat |
| MPG | 16 combined |
| Drivetrain | 4X4 |
$41,325
FAIR DEAL
2021 Toyota 4Runner Limited
- 44,688 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 11.280617 yrs
- $919 Above market value of $40,405
- Listed 43 days ago
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Used 2021 Toyota 4Runner Limited for Sale
44,688 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $41,325 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | JTEKU5JR7M5837999 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 44,688 mi. |
| Transmission | Automatic |
| Exterior Color | Blizzard pearl |
| MPG | 17 combined |
| Drivetrain | All-wheel drive |
$66,047
$72,995
FAIR DEAL
2026 BMW X5 xDrive40i
- 16,029 Miles
- Warminster, PA (0 mi away)
- $1,443 Above market value of $64,604
- 1 Owner
- Listed 26 days ago
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Used 2026 BMW X5 xDrive40i for Sale
16,029 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $66,047 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Seats | 5 Seats |
| VIN | 5UX23EU03T9074308 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 16,029 mi. |
| Transmission | Automatic |
| Exterior Color | Alpine white |
| Interior Color | Black |
| MPG | 25 combined |
| Drivetrain | All-wheel drive |
| Positives | warranty, non-smoker, certified pre-owned car, clean history, receipts, one owner, new tires |
$31,997
$32,999
FAIR DEAL
2018 GMC Sierra 1500 SLT
- 77,503 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 6.96553 yrs
- $1,245 Above market value of $30,752
- Listed 8 days ago
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Used 2018 GMC Sierra 1500 SLT for Sale
77,503 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $31,997 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 3GTU2NEC7JG602418 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, internet radio |
| Mileage | 77,503 mi. |
| Transmission | Automatic |
| Exterior Color | Summit white |
| Interior Color | Black |
| Drivetrain | 4X4 |
$47,995
FAIR DEAL
2023 Chevrolet Suburban Shield Premier
- 40,865 Miles
- Warminster, PA (0 mi away)
- $705 Above market value of $48,700
- Low annual miles
- Listed 1 day ago
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Used 2023 Chevrolet Suburban Shield Premier for Sale
40,865 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $47,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1GNSCFKD0PR375077 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 40,865 mi. |
| Transmission | Automatic |
| Exterior Color | Iridescent pearl tricoat |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X2 |
| Positives | non-smoker, clean history, receipts, new tires, warranty, certified pre-owned car, one owner |
$75,844
$79,995
FAIR DEAL
2026 BMW X7 xDrive40i
- 20,575 Miles
- Warminster, PA (0 mi away)
- $1,592 Above market value of $74,252
- 1 Owner, High annual miles
- Listed 47 days ago
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Used 2026 BMW X7 xDrive40i for Sale
20,575 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $75,844 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Seats | 7 Seats |
| VIN | 5UX23EM01T9043882 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 20,575 mi. |
| Transmission | Automatic |
| Exterior Color | Black sapphire metallic |
| Interior Color | Black |
| MPG | 23 combined |
| Drivetrain | All-wheel drive |
| Positives | receipts, warranty, new tires, one owner, clean history, non-smoker, certified pre-owned car |
$45,043
FAIR DEAL
2026 Chevrolet Traverse LT
- 17,961 Miles
- Warminster, PA (0 mi away)
- $1,557 Above market value of $43,485
- 1 Owner
- Listed 48 days ago
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Used 2026 Chevrolet Traverse LT for Sale
17,961 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $45,043 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1GNEVGKS2TJ126509 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 17,961 mi. |
| Transmission | Automatic |
| Exterior Color | Mosaic black metallic |
| Interior Color | Black |
| MPG | 21 combined |
| Drivetrain | 4X4 |
| Positives | non-smoker, one owner, clean history, receipts, certified pre-owned car, new tires, warranty |
$33,995
$34,182
FAIR DEAL
2019 Ram Ram Pickup 1500 Laramie
- 62,438 Miles
- Warminster, PA (0 mi away)
- Remaining Lifespan: 6.0651417 yrs
- $709 Above market value of $33,286
- Listed 32 days ago
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Used 2019 Ram Ram Pickup 1500 Laramie for Sale
62,438 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $33,995 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1C6SRFJT9KN730769 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, alloy wheels |
| Mileage | 62,438 mi. |
| Transmission | Automatic |
| Exterior Color | Diamond black crystal pearlcoat |
| Interior Color | Beige |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | warranty, certified pre-owned car, new tires, non-smoker, one owner, clean history, receipts |
$52,000
$55,695
FAIR DEAL
2025 Mercedes-Benz GLE-Class GLE 350 4MATIC
- 33,002 Miles
- Warminster, PA (0 mi away)
- $1,787 Above market value of $50,213
- 1 Owner, High annual miles
- Listed 26 days ago
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Used 2025 Mercedes-Benz GLE-Class GLE 350 4MATIC for Sale
33,002 Miles
Warminster, PA (0 mi away)
| Category | Used Cars |
| Price | $52,000 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Seats | 5 Seats |
| VIN | 4JGFB4FB9SB406835 |
| Location | Warminster, PA - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 33,002 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| MPG | 22 combined |
| Drivetrain | All-wheel drive |
| Positives | receipts, warranty, new tires, one owner, clean history, non-smoker, certified pre-owned car |
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