Used Mazda Mazda6 for Sale in Boulder, CO

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$13,999
$13,999 above
$413/mo est. ?
174,440 km

AutoNation Toyota Arapahoe

Authorized EpicVIN dealer

80112, CENTENNIAL CO

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$7,595
$7,595 above
$224/mo est. ?
239,209 km

Sprinkler Used Cars

80501, Longmont CO

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$15,997
$15,997 above
$472/mo est. ?
113,254 km

80233, Thornton CO

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$9,000
$9,000 above
$265/mo est. ?
204,552 km

Grand Kia

4.3
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6 reviews
4.1 Google 674 reviews

80234, NORTH GLENN CO

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349,935 km 3.0L

A Better Bid Online Car Auctions

Authorized EpicVIN dealer

5.0
Star icon
1 review
3.7 Google 199 reviews

80229, DENVER CO

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178,967 km 2.5L

SCA Auctions

Authorized EpicVIN dealer

5.0
Star icon
1 review
4.1 Google 55 reviews

80022, COMMERCE CITY CO

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381,486 km 3.7L

SCA Auctions

Authorized EpicVIN dealer

5.0
Star icon
1 review
4.1 Google 55 reviews

80022, COMMERCE CITY CO

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$7,000
$7,000 above
$206/mo est. ?
246,541 km

Planet Hyundai

4.6 Google 1367 reviews

80401, Golden CO

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$8,950
$8,950 above
$264/mo est. ?
146,492 km

Zara Auto Sales INC

4.4 Google 381 reviews

80231, Denver CO

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$5,900
$5,900 above
$174/mo est. ?
183,645 km 2.5L

GQ Auto

80222, Denver CO

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$14,089
$14,089 above
$415/mo est. ?
144,205 km

Loveland Ford Lincoln

80537, Loveland CO

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$7,995
$7,995 above
$236/mo est. ?
199,983 km 2.5L

AP Auto Brokers

2.5
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6 reviews
3.9 Google 61 reviews

80501, Longmont CO

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$6,999
$6,999 above
$206/mo est. ?
291,049 km

EZ Breezy Autos

80214, Lakewood CO

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$8,988
$8,988 above
$265/mo est. ?
190,277 km

The Sharpest Rides

4.3 Google 4651 reviews

80110, Englewood CO

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$12,899
$12,899 above
$380/mo est. ?
133,516 km

Interstate Ford

80514, Dacono CO

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$9,995
$9,995 above
$295/mo est. ?
102,644 km

Premier Auto Inc.

5.0
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5 reviews
3.8 Google 38 reviews

80033, Wheat Ridge CO

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$17,399
$17,399 above
$513/mo est. ?
152,668 km 2.5L

AutoNation Chevrolet North

80221, Denver CO

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$10,490
$10,490 above
$309/mo est. ?
170,115 km

Boulder Cars

5.0 Google 88 reviews

80301, Boulder CO

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$17,497
$17,497 above
$516/mo est. ?
148,577 km

80111, CENTENNIAL CO

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$18,990
$18,990 above
$560/mo est. ?
99,024 km

80214, Lakewood CO

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$6,950
$6,950 above
$205/mo est. ?
203,746 km 2.5L

Nile Auto Sales

4.7
Star icon
1 review
3.1 Google 82 reviews

80220, Denver CO

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$7,950
$7,950 above
$234/mo est. ?
0 km

Rockys Auto Sale LLC

80236, Denver CO

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$5,750
$5,750 above
$170/mo est. ?
0 km

Rockys Auto Sale LLC

80236, Denver CO

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Frequently Asked Questions

Our marketplace currently lists 23 used cars in Boulder, CO from dealers and private sellers. Prices range from $10,425 to $10,425.

Top brands by active listings in Boulder, CO are Mazda. The mix often reflects local buying preferences.

The average listed price in Boulder, CO is $10,425. Browse by budget: under $10,000, under $20,000, or under $30,000.

No — you can buy from a seller in Boulder, CO regardless of your state of residence. You'll need to register and title the vehicle in your home state within the required window (usually 30 days). Local dealers typically handle paperwork for out-of-state buyers.

Yes — popular nearby options include cities across the state. You can also browse all used cars in Colorado.