Max size by setup
The largest tire your generation, lift, and offset combination will clear, in metric and inches.
Max tire size
Find the biggest tire that fits your Tacoma.
Pick your generation, lift height, and wheel offset to estimate the max tire and what trimming or regearing it needs.
What it does
How this tool helps.
Trimming ladder
Which of mud flaps, liner, pinch weld, cab mount chop, or crash-plate removal each size requires.
Downstream work
Flags for regearing, offset, and speedometer recalibration that come with the size.
Related tools and guides
Max Tire Size Calculator FAQ.
On a 3rd gen, about 265/70R17 or 265/75R16, near 31.6 inches, with no trimming. On a 4th gen, 285/70R17 or 275/70R18, about 33 inches, fits stock.
On a 4th gen yes, 33s fit stock. On a 3rd gen, true 33s like 285/70R17 need a leveling kit or lift plus fender-liner trimming, and a cab mount chop to be rub-free off-road.
On a 3rd gen, a 3 inch or taller lift, cab mount chop, extensive trimming, and a regear. On a 4th gen, a 3 inch lift plus reversible crash-plate removal and a caster alignment, with no cab mount chop.