OEM Solutions

Medium Rectangle 300×250 – 2019

The Inventory Search ad placement provides advertising exposure in the highly trafficked search path, where in-market shoppers are searching for specific makes and models.

You can now drive home DMA and model level messaging before the shopper moves into their search results with the 300×250 Search Form ad.

Ad Size


Download Ad Specs:
Medium Rectangle – 300×250
Ad Specs:

All Ads should adhere to LEAN Ad Standards as defined by IAB 2017 New Standard Ad Unit Portfolio.

Advertiser: Tier 1, Tier 2,  Tier 3, Certified, Major Accounts

Ad Size: 300×250 (IAB)

General Guidelines:

  • Initial download file size: 150k
  • Subload Max file size: 300K
  • User Initiated Load Maximum file size: 200k
  • Alt Image Max File Size: 40k

Content & Messaging:

New, Used, or Certified

Video Enabled:

  • Available on click only
  • 2.2MB max file size
  • 30 seconds maximum length
  • MP4 – required; webm, ogg – preferred
  • Progressive download; True streaming – preferred
  • Stop & Start buttons required

Audio Enabled:

  • Available on click only
  • Audio defaults to “off”
  • Mute button required
  • 30 seconds Maximum length
  • Mp3

Animation: 3 loops within 15 seconds

Other Information: Opportunities may exist to target regionally



Inventory Search Form


Desktop, Tablet, Mobile


Tier 1, Tier 2, Certified, Major Accounts


Dependent on ad product


1 month

Ad Type:

Standard, non-exclusive: less than 100% of available impressions



Ad Serving:

Third Party



Lead Time:

5 business days

Product Rules:

All Ads should adhere to LEAN Ad Standards as defined by IAB 2017 New Standard Ad Unit Portfolio.

Product approval required for all custom ads not built by Autotrader.