Cheapest · Used 2018 Audi S3
Rank #1 / 17 listings
Cheapest Used 2018 Audi S3 for Sale in the US
The cheapest used 2018 Audi S3 in the US today costs $15,569 — a 2018 Quattro Premium Plus located in Somerville, NJ. We track 17 active listings; the median price is $22,495, so the top deal is $6,926 under the median.
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cheapest per yearTop 10 cheapest listings
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$15,5692018 Audi S3 Quattro Premium Plus110,016 mi · Somerville, NJ · Yosh Motors of SomervilleView listing → -
$15,9002018 Audi S3 Quattro Premium Plus140,191 mi · Roselle, IL · Skyline Luxury MotorsView listing → -
$15,9902018 Audi S3 Quattro Premium Plus122,991 mi · Oxford, CT · Buonauto EnterprisesView listing →
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$18,9002018 Audi S3 Quattro Premium Plus112,000 mi · West Portsmouth, OH · Call's Auto SalesView listing → -
$20,9992018 Audi S3 Quattro Premium Plus70,440 mi · Cinnaminson, NJ · Majestic Automotive GroupView listing → -
$21,6952018 Audi S3 Quattro Premium Plus88,488 mi · Inver Grove Heights, MN · Inver Grove FordView listing → -
$22,4942018 Audi S3 Quattro Premium Plus100,308 mi · Greenville, SC · Audi GreenvilleView listing → -
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10 pinnedFAQ
How much does the cheapest used 2018 Audi S3 cost?
$15,569 — a 2018 Quattro Premium Plus in Somerville, NJ (as of 2026-07-19).
What is the median price of a used 2018 Audi S3?
$22,495 across 17 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.