U‑Haul 5' x 8' Cargo Trailer vs U‑Haul 6' x 12' Cargo Trailer: size and what fits

By the Every Last Box teamSizes checked October 29, 2026How we measureHow we make money

Compared

178 cu ft more in the 6' x 12' Cargo Trailer

The U‑Haul 6' x 12' Cargo Trailer has 178 cu ft more room inside than the U‑Haul 5' x 8' Cargo Trailer (365 vs 187 cu ft, length × width × height): it is 3'7" longer, 1'4" wider, 3" taller. By our packing both take up to a less than a studio.

A studio apartment load in the U-Haul 5' x 8' Cargo Trailer: what fits, and the rest waiting behind the truck
U‑Haul 5' x 8' Cargo Trailer: : what fits, and the rest waiting behind the truck
A studio apartment load in the U-Haul 6' x 12' Cargo Trailer: what fits, and the rest waiting behind the truck
U‑Haul 6' x 12' Cargo Trailer: : what fits, and the rest waiting behind the truck

Side by side

U‑Haul 5' x 8' Cargo TrailerU‑Haul 6' x 12' Cargo Trailer
Inside length8'0"11'7"
Inside width4'8"6'0"
Inside height5'0"5'3"
Door width3'11"5'0"
Door height4'10"4'10"
Room (L × W × H)187 cu ft365 cu ft
Studio apartment11 of 36 fit33 of 36 fit
1‑bedroom apartment8 of 46 fit30 of 46 fit
2‑bedroom apartment9 of 73 fit21 of 73 fit
3‑bedroom house14 of 117 fit19 of 117 fit
4‑bedroom house10 of 150 fit19 of 150 fit
5‑bedroom house13 of 191 fit13 of 191 fit

Sizes from each brand's page; each truck's page lists its sources.

Big items in each

Item5' x 8' Cargo Trailer6' x 12' Cargo Trailer
King mattressNoWon't go through the door opening (3'11" wide × 4'10" high), even tilted.NoWon't go through the door opening (5'0" wide × 4'10" high), even tilted.
Queen mattressYesstanding on its long edgeYesstanding on its long edge
3-seat sofaYesstanding uprightYesstanding upright
Sectional: chaise sectionYesstanding uprightYesstanding upright
Refrigerator, French-doorNoToo big for the door opening (3'11" wide × 4'10" high) while kept upright (5'10" tall). It would have to be laid down to get in.NoToo big for the door opening (5'0" wide × 4'10" high) while kept upright (5'10" tall). It would have to be laid down to get in.
WasherYesstanding uprightYesstanding upright
6-drawer dresserYesstanding uprightYesstanding upright
Upright pianoYesstanding uprightYesstanding upright
65" TV in its boxYesstanding uprightYesstanding upright
TreadmillYes, apartstanding on endYes, apartstanding on end