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Mainline Auto

Used cars, trucks and SUVs for sale at Mainline Auto in Jacksonville, FL. Every listing shows the dealer's exact VIN, advertised price, mileage and photos, and links to the original listing on the dealer's website.

Address3545 St. Augustine Rd, Jacksonville, FL
Map & directions
Dealer phone(904) 888-6663
AutosXchange: (916) 476-7689
Websitemainlineautos.com
Local market intel

Mainline Auto at a glance

Computed from this dealer's 27 live listings and 9,985 listings from 85 dealerships in Jacksonville, FL.

27active listings on AutosXchange
$8,995median asking price
$4,995–$35,995price range
123,582median miles

Makes

  • Mercedes-Benz4 (15%)
  • BMW3 (11%)
  • Kia3 (11%)
  • Volkswagen3 (11%)
  • Jeep2 (7%)
  • Lexus2 (7%)
  • Chevrolet1 (4%)
  • Chrysler1 (4%)

Body types

  • Cars & Sedans14 (52%)
  • SUVs8 (30%)
  • Coupes3 (11%)
  • Trucks2 (7%)

Jacksonville, FL market: median asking price $34,555 across 9,985 listings (this dealer: $8,995). All cars for sale in Jacksonville

Asking prices as advertised by the dealer; confirm availability, fees and final price with the dealership. Each vehicle page compares its price with similar live listings nearby.
AutosXchange Intel

Price activity at Mainline Auto

Tracked daily by AutosXchange since Nov 5, 2026; data as of Nov 7, 6:35 AM UTC.

Tracking since Nov 5, 2026: 27 listings tracked over 1 day. Full dealer intel (cut rates, days listed, turnover) appears once at least 20 listings have been tracked for 14 days.

27listings on AutosXchange now
0listings with a price change since Nov 5
0new listings since Nov 5
0removed from sale since Nov 5

Listings per day

Mainline Auto: listings on AutosXchange per dayListings: Nov 5 27, Nov 6 27, Nov 7 272627272828Nov 5Nov 6Nov 7Listings Nov 5: 27Listings Nov 6: 27Listings Nov 7: 27

New vs. removed per day

Mainline Auto: new listings and removals per dayNov 5: 0 New listings, 0 Removed from sale; Nov 6: 0 New listings, 0 Removed from sale; Nov 7: 0 New listings, 0 Removed from sale00.250.50.751Nov 5Nov 6Nov 7New listingsRemoved from sale
Window: since Nov 5, 2026 (last 30 days, never before this dealer's tracking start). Turnover signal: share of the average daily inventory removed from sale per day — "Moving units" at 1.5%/day or more, "Holding inventory" at 0.5%/day or less, otherwise "Steady"; shown only with 20+ listings tracked for 14+ days and at least two inventory scans 7+ days apart. Days listed counts from the first day AutosXchange saw the car (cars already in stock when we first scanned the dealer started counting then). Price actions: 3+ units of one model changed the same day. Source: AutosXchange Intel Hub, autos-xchange.com/market. Asking prices of dealer listings tracked by AutosXchange since Nov 5, 2026, not sold prices; not seasonally adjusted. A market figure is published only with at least 30 listings from at least 5 dealers (no dealer above 40%). "Removed from sale" means a listing left the dealer's website; it is not a confirmed sale. Methodology
Same city

Other dealerships in Jacksonville, FL

27 vehicles

Frequently asked questions

How many cars does Mainline Auto have for sale?
Mainline Auto currently has 27 vehicles listed on AutosXchange, with a median asking price of $8,995.
Where is Mainline Auto located?
Mainline Auto is located at 3545 St. Augustine Rd, Jacksonville, FL. The dealership's phone number is (904) 888-6663.
What makes does Mainline Auto sell?
The most-listed makes are Mercedes-Benz (4), BMW (3), Kia (3), Volkswagen (3), Jeep (2).

Dealer listings are supplied by each dealership from its own website and refreshed as inventory changes; prices are dealer-advertised asking prices, so confirm availability, fees and final price with the selling dealer. Listings marked "Private seller" are submitted by the car's owner and reviewed by AutosXchange; AutosXchange does not inspect private-party vehicles.