TruckBedLookup

2023 Toyota Tundra bed size

The 2023 Toyota Tundra was sold with 4 bed configurations: the 5.5-foot bed (CrewMax) at 65.6 in long, the 6.5-foot bed (CrewMax) at 77.6 in long, the 6.5-foot bed (Double Cab) at 77.6 in long, the 8.1-foot bed (Double Cab) at 96.5 in long. Actual inches below — the advertised names round.

All configurations

CabBed (advertised)Length (in)Width (in)Wheelhouses (in)Cover class
CrewMax5.5-foot bed 65.658.748.7 5.5 ft class Details
CrewMax6.5-foot bed 77.658.748.7 6.5 ft class Details
Double Cab6.5-foot bed 77.658.748.7 6.5 ft class Details
Double Cab8.1-foot bed 96.558.748.7 8.1 ft class Details

CrewMax — 5.5-foot bed

Sheet-molded composite (SMC) beddeck rail system available

Top view, drawn to scale from the manufacturer dimensions in the table below. Notches are the wheelhouses.
Actual length65.6 in
Actual width (max)58.7 in
Width between wheelhouses48.7 in
Bed depth20.9 in
Generation3rd gen (XK70)
Tonneau cover size class5.5 ft class

What fits: tonneau covers in the 5.5 ft class class listed for the 2023 Toyota Tundra CrewMax with the 5.5-foot bed. Bed mats and liners cut to 65.6 in; a 4×8 sheet lies flat only if the load is under 48.7 in wide between the wheelhouses.

Shop 5.5 ft class tonneau covers for this truck on Amazon (As an Amazon Associate I earn from qualifying purchases.)

Sources: Longo Toyota of Prosper - Toyota Tundra & Tacoma Bed Sizes & Dimensions (checked 2026-10-27). Last verified 2026-10-27. Found an error? Tell us — see our accuracy disclaimer.

CrewMax — 6.5-foot bed

Sheet-molded composite (SMC) beddeck rail system available

Top view, drawn to scale from the manufacturer dimensions in the table below. Notches are the wheelhouses.
Actual length77.6 in
Actual width (max)58.7 in
Width between wheelhouses48.7 in
Bed depth20.9 in
Generation3rd gen (XK70)
Tonneau cover size class6.5 ft class

What fits: tonneau covers in the 6.5 ft class class listed for the 2023 Toyota Tundra CrewMax with the 6.5-foot bed. Bed mats and liners cut to 77.6 in; a 4×8 sheet lies flat only if the load is under 48.7 in wide between the wheelhouses.

Shop 6.5 ft class tonneau covers for this truck on Amazon (As an Amazon Associate I earn from qualifying purchases.)

Sources: Longo Toyota of Prosper - Toyota Tundra & Tacoma Bed Sizes & Dimensions (checked 2026-10-27). Last verified 2026-10-27. Found an error? Tell us — see our accuracy disclaimer.

Double Cab — 6.5-foot bed

Sheet-molded composite (SMC) beddeck rail system available

Top view, drawn to scale from the manufacturer dimensions in the table below. Notches are the wheelhouses.
Actual length77.6 in
Actual width (max)58.7 in
Width between wheelhouses48.7 in
Bed depth20.9 in
Generation3rd gen (XK70)
Tonneau cover size class6.5 ft class

What fits: tonneau covers in the 6.5 ft class class listed for the 2023 Toyota Tundra Double Cab with the 6.5-foot bed. Bed mats and liners cut to 77.6 in; a 4×8 sheet lies flat only if the load is under 48.7 in wide between the wheelhouses.

Shop 6.5 ft class tonneau covers for this truck on Amazon (As an Amazon Associate I earn from qualifying purchases.)

Sources: Longo Toyota of Prosper - Toyota Tundra & Tacoma Bed Sizes & Dimensions (checked 2026-10-27). Last verified 2026-10-27. Found an error? Tell us — see our accuracy disclaimer.

Double Cab — 8.1-foot bed

Sheet-molded composite (SMC) beddeck rail system available

Top view, drawn to scale from the manufacturer dimensions in the table below. Notches are the wheelhouses.
Actual length96.5 in
Actual width (max)58.7 in
Width between wheelhouses48.7 in
Bed depth20.9 in
Generation3rd gen (XK70)
Tonneau cover size class8.1 ft class

What fits: tonneau covers in the 8.1 ft class class listed for the 2023 Toyota Tundra Double Cab with the 8.1-foot bed. Bed mats and liners cut to 96.5 in; a 4×8 sheet lies flat only if the load is under 48.7 in wide between the wheelhouses.

Shop 8.1 ft class tonneau covers for this truck on Amazon (As an Amazon Associate I earn from qualifying purchases.)

Sources: Longo Toyota of Prosper - Toyota Tundra & Tacoma Bed Sizes & Dimensions (checked 2026-10-27). Last verified 2026-10-27. Found an error? Tell us — see our accuracy disclaimer.

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