Editing Vehicle size class (section)

====IIHS====
The Insurance Institute has its own crash test program and groups cars by curb weight and shadow into six classes, micro, mini, small, midsize, large and very large.<ref name="iihs.org"/>

{| class="wikitable"
|+ IIHS passenger car size classes.<ref>{{cite web |url=https://www.iihs.org/media/80eed4d2-96e2-43b8-8381-34ca4274346c/dXp2Ww/Ratings/Protocols/current/tech_10.pdf |title=IIHS vehicle classifications |publisher=[[Insurance Institute for Highway Safety]] |location=US |access-date=13 July 2019}}</ref>
|-
!Curb weight (pounds)
!Shadow <70 sq ft
!Shadow 70–79 sq ft
!Shadow 80–89 sq ft
!Shadow 90–99 sq ft
!Shadow 100–109 sq ft
!Shadow 110+ sq ft
|-
| 4,000+ || - || - || midsize || large || very large || very large
|-
| 3,500 - 3,999 || - || small || midsize || large || large || very large
|-
| 3,000 - 3,499 || - || small || midsize || midsize || large
|-
| 2,500 - 2,999 || - || small || small || midsize
|-
| 2,000 - 2,499 || - || mini || small
|-
| <2,000 || micro
|}