Used Mazda Mazda3 for Sale in Union, MO

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$28,450
$28,450 above
$837/mo est. ?
8 km 2.5L

Bommarito Mazda West County

Authorized EpicVIN dealer

63011, Ellisville MO

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$29,865
$29,865 above
$879/mo est. ?
8 km 2.5L

Bommarito Mazda West County

Authorized EpicVIN dealer

63011, Ellisville MO

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$28,640
$28,640 above
$843/mo est. ?
8 km 2.5L

Bommarito Mazda West County

Authorized EpicVIN dealer

63011, Ellisville MO

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$33,280
$33,280 above
$979/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

Authorized EpicVIN dealer

63011, Ellisville MO

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$27,460
$27,460 above
$808/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

Authorized EpicVIN dealer

63011, Ellisville MO

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$22,318
$22,318 above
$658/mo est. ?
73,444 km

EchoPark St. Louis

Authorized EpicVIN dealer

63005, Chesterfield MO

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$26,380
$26,380 above
$776/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

Authorized EpicVIN dealer

63011, Ellisville MO

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$28,840
$28,840 above
$849/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

Authorized EpicVIN dealer

63011, Ellisville MO

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$19,999
$19,999 above
$590/mo est. ?
79,867 km

63011, Manchester MO

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$10,495
$10,495 above
$309/mo est. ?
152,717 km

Westplex Auto Group

63390, Wright City MO

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$28,715
$28,715 above
$845/mo est. ?
8 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$28,640
$28,640 above
$843/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

63011, Ellisville MO

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$29,865
$29,865 above
$879/mo est. ?
0 km 2.5L

Bommarito West County Pre Owned

63011, Ellisville MO

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$9,617
$9,617 above
$284/mo est. ?
232,213 km

EchoPark Automotive St. Louis

63005, Chesterfield MO

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$6,450
$6,450 above
$190/mo est. ?
249,055 km

Unique LA Motor Sales LLC

63051, Byrnes Mill MO

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$33,675
$33,675 above
$991/mo est. ?
0 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$29,545
$29,545 above
$869/mo est. ?
8 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$7,450
$7,450 above
$220/mo est. ?
164,515 km

Unique LA Motor Sales LLC

63051, Byrnes Mill MO

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$40,305
$40,305 above
$1,186/mo est. ?
0 km

Bommarito Mazda West County

63011, Ellisville MO

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$40,145
$40,145 above
$1,181/mo est. ?
8 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$27,620
$27,620 above
$813/mo est. ?
0 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$27,990
$27,990 above
$824/mo est. ?
0 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$28,850
$28,850 above
$849/mo est. ?
0 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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$25,885
$25,885 above
$762/mo est. ?
0 km 2.5L

Bommarito Mazda West County

63011, Ellisville MO

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Frequently Asked Questions

Our marketplace currently lists 36 used cars in Union, MO from dealers and private sellers. Prices range from $5,421 to $5,421.

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

The average listed price in Union, MO is $5,421. Browse by budget: under $10,000, under $20,000, or under $30,000.

No — you can buy from a seller in Union, MO 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 Missouri.