Live US dealer listings Median-priced benchmark Updated 2026-10-19
Market price · Used 2018 Chevrolet Sonic 133 listings tracked

Used 2018 Chevrolet Sonic Price in the US

A used 2018 Chevrolet Sonic in the US typically lists for $6,995–$10,754, with a median asking price of $8,900 across 133 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $2,879, a 2018 LT in Hialeah, FL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Chevrolet Sonic · asking prices133 listings
$5,000$14k
Typical range
$6,995 – $10,754
Median
$8,900
Cheapest 5%
under $5,456
Cheapest listed now
$2,879

Browse by model year

typical price per year
More years (1)

Cheapest 10 listed right now

ranked by price
  1. $2,879
    2018 Chevrolet Sonic LT
    129,905 mi · Hialeah, FL · Headquarter Toyota
    View listing →
  2. 2018 Chevrolet Sonic
    $3,900
    2018 Chevrolet Sonic LT
    95,890 mi · Granite City, IL · x2builders
    View listing →
  3. $3,995
    2018 Chevrolet Sonic LS
    195,402 mi · Birmingham, AL · Hoover Toyota
    View listing →
  4. 2018 Chevrolet Sonic
    $4,999
    2018 Chevrolet Sonic LT
    188,123 mi · Liberty Township, OH · Roadstar Motors
    View listing →
  5. 2018 Chevrolet Sonic
    $5,000
    2018 Chevrolet Sonic LS
    132,956 mi · Royal Oak, MI · Classic City Cars
    View listing →
  6. $5,250
    2018 Chevrolet Sonic LT
    119,940 mi · Country Club Hills, IL · Adams AutoMart
    View listing →
  7. 2018 Chevrolet Sonic
    $5,398
    2018 Chevrolet Sonic LT
    131,794 mi · Paterson, NJ · Universal Motors Inc.
    View listing →
  8. $5,495
    2018 Chevrolet Sonic LS
    103,867 mi · Tampa, FL · Dealer Alternative Auto Sales
    View listing →
  9. 2018 Chevrolet Sonic
    $5,500
    2018 Chevrolet Sonic LT
    138,421 mi · Madison, TN · Honor Auto Sales
    View listing →
  10. $5,721
    2018 Chevrolet Sonic LT
    149,034 mi · Addison, TX · Midway Auto Group
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 Chevrolet Sonic asks $6,995–$10,754. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Chevrolet Sonic cost?

A used 2018 Chevrolet Sonic in the US typically lists for $6,995 to $10,754, with a median asking price of $8,900 across 133 active US dealer listings. Nine in ten are priced between $5,456 and $13,319 (as of 2026-10-19, source: UnderMarket Cars).

Is $9,000 a good price for a used 2018 Chevrolet Sonic?

That sits at about the market median ($8,900) for a used 2018 Chevrolet Sonic. Under $6,995 puts you in the cheapest quarter of active US listings and under $5,456 in the cheapest 5%; above $13,319 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2018 Chevrolet Sonic for sale right now?

$2,879 — a 2018 Chevrolet Sonic LT in Hialeah, FL, $6,021 under the median (as of 2026-10-19).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2018 Chevrolet Sonic page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.

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Prices updated 2026-10-19. Data covers active dealer listings across the USA.