# Can You Fit 33s on a Stock Tacoma?

Can you fit 33s on a stock Tacoma? A true 33 such as 285/70R17 is near bolt-on on a 4th gen but rubs the liner and cab mount on 2nd- and 3rd-gen trucks.

## Canonical URL
https://tacotires.com/guides/33-inch-tires-on-stock-tacoma

## Short Answer
Yes, with caveats. A true 33 - 285/70R17 (about 32.7 inches), 285/75R16, or the narrow 255/85R16 - bolts onto a 4th-gen Tacoma nearly stock. On a 2nd- or 3rd-gen truck it rubs the fender liner and cab mount at full lock without removing mud flaps, trimming, a small level, or keeping positive offset.

## Can you fit 33s on a stock Tacoma?
It depends almost entirely on your generation. On a 4th-gen Tacoma (2024+), a true 33 such as 285/70R17 is close to a bolt-on - the front wheel opening is forgiving enough that most owners run one with at most mud-flap removal and minor liner or bumper-tab work. On a 2nd- or 3rd-gen Tacoma, that same 33 rubs the fender liner and the cab-mount body bracket, especially at full steering lock and full suspension compression. It can still fit, but it usually means removing the mud flaps, trimming the liner, and often chopping the cab mount or adding a small level.

Wheel offset changes the answer as much as generation. A lower-offset or negative-offset wheel pushes the tire outward and up into the liner sooner, turning a near-bolt-on into a trimming job. So the real question is not just whether 33s fit a stock Tacoma - it is how much cutting your specific generation, wheel offset, and driving style require.

## What counts as a 33-inch tire in metric sizes?
A 33 is a marketing round-off, not an exact measurement. Tire brands label anything from about 32.6 to 33.1 inches of overall diameter as a 33, and the same nominal size can vary half an inch between models. On a Tacoma, the sizes people mean when they say 33s are these:

| Metric size | Overall diameter | Section width | Notes |
| --- | --- | --- | --- |
| 285/70R17 | ~32.7 in | ~11.2 in (285 mm) | The most common 33 on 17-inch wheels; the default off-road upsize. |
| 285/75R16 | ~32.8 in | ~11.2 in (285 mm) | The 33 for 16-inch wheels; same width as the 285/70R17. |
| 255/85R16 | ~33.0 in | ~10.0 in (255 mm) | The narrow 'pizza cutter' - a real 33 that fits easiest because it is skinny. |
| 255/80R17 | ~33.1 in | ~10.0 in (255 mm) | A narrow 33 on 17-inch wheels; less common but clears like the pizza cutter. |
| 265/70R18 | ~32.6 in | ~10.4 in (265 mm) | Not quite a full 33 but the practical tall size on 18-inch wheels. |

> **Width matters as much as height:** Two 33s can fit very differently. A 285-width tire is about an inch wider than a 255, and that extra width is what catches the fender liner and cab mount. The narrow 255/85R16 is a true 33 that many owners run on stock 16-inch wheels with far less trimming than a 285, precisely because it is skinny.

## What has to be trimmed for 33s, by generation and offset?
Fitting a 33 is a ladder, not a yes-or-no. As the tire gets wider or is pushed outward by a lower-offset wheel, it contacts more parts and needs more work. Here is roughly what a 285-width 33 asks for on stock suspension, by generation and wheel offset.

| Setup | Mud flaps | Fender liner | Cab-mount chop | Typical outcome |
| --- | --- | --- | --- | --- |
| 2nd gen (2005-2015), stock wheels | Remove | Trim | Often at full lock | Rubs without work; the narrow 255/85R16 is the easy path. |
| 3rd gen (2016-2023), stock offset (+25 to +30 mm) | Remove | Trim | Often, esp. loaded or at full lock | The classic 33 trimming job on a Tacoma. |
| 3rd gen, lower offset (TRD Pro ~+10 mm or aftermarket) | Remove | More trim | More likely | Tire pushed out and up - it rubs sooner and harder. |
| 4th gen (2024+), base offset (+55 to +60 mm) | Usually remove | Minor liner/bumper tab | Not needed | Near bolt-on with the forgiving wheel opening. |
| 4th gen TRD Pro/Trailhunter (~+20 to +25 mm) | Remove | Minor trim | Not needed | Near bolt-on with a wider, more planted stance. |

> **The cab-mount chop is the real 3rd-gen barrier:** The cab mount (CMC) is the body bracket just behind the front tire. On 2nd- and 3rd-gen trucks it is the part a 285-width 33 hits when you turn hard, and chopping or relocating it is what separates a mild upsize from a real fitment project. On 4th-gen trucks it is not in the way for 33s.

## Where does a 33 rub first, and why does static clearance lie?
A 33 does not rub everywhere at once. It contacts parts in a predictable order as the wheel turns and the suspension compresses. Knowing the order tells you how much work your specific setup really needs.

- Mud flaps - the first thing to hit and the easiest free fix; many owners just remove them.
- Fender liner - the plastic inner liner catches the wider tire at full lock.
- Pinch weld - the seam along the bottom lip of the fender, often rolled or trimmed.
- Cab mount (CMC) - the body bracket behind the front tire; the classic 2nd/3rd-gen barrier to 33s.
- Upper control arm - only a concern with tall lifts and long-travel setups, not stock suspension.

This is why a tire that looks like it clears in the driveway can still rub. Fitment has to be judged with the wheels turned fully and the suspension fully compressed - turning into a driveway, articulating over a rock, or hitting a dip with weight in the bed. On the Tacoma's independent front suspension the tire and fender move together in a straight line, so the tightest clearance shows up when you combine steering lock with compression, not when the truck sits parked and level.

> **Test it turned and loaded:** Before committing, cycle the steering to full lock in both directions and load the truck or push over a driveway lip. A 285/70R17 that clears parked can still contact the liner or cab mount when you turn hard with weight in the bed. Owner reports vary for exactly this reason.

## What are the cheapest fixes to make 33s fit?
You do not have to jump straight to a lift and a cab-mount chop. Several fixes cost little or nothing and are worth trying first, especially on a 3rd gen or if you run the narrow 255-width 33.

- Remove the front mud flaps - free, reversible, and often enough on its own for a mild 33 upsize.
- Keep stock-style positive offset - the high factory offset tucks the tire in and fits the widest 33 with the least cutting; do not add negative-offset wheels or spacers if fitment is your goal.
- Trim and roll the fender liner and pinch weld - a low-cost afternoon job that clears most of the remaining rub.
- Add a small level (about 1.5 to 2 inches up front) - it evens out the factory rake and buys a little room, but it is not a magic fitment fix on its own.
- Run the narrow 255/85R16 or 255/80R17 - a true 33 that sidesteps most width-related rubbing on 2nd/3rd-gen trucks.

> **A level is not the same as clearance:** A leveling kit lifts the front to match the rear and adds a bit of room, but because the tire and fender move together on an independent front suspension, it does not by itself make a wide 33 clear at full compression. On 2nd/3rd-gen trucks the real clearance for a 285 still comes from trimming and keeping positive offset.

## How is a 4th-gen Tacoma different from a 3rd gen for 33s?
The 4th-gen Tacoma (2024+) has a noticeably more forgiving front wheel opening than the 2nd and 3rd gens, and its base trims also run a much higher wheel offset (about +55 to +60 mm versus roughly +25 to +30 mm on a 3rd gen), which tucks the tire further in. Together those two things move the whole trimming ladder down a rung: a 285/70R17 that needs a liner trim and often a cab-mount chop on a 3rd gen is close to a bolt-on on a 4th gen. On the 4th gen, it is the 35s (315/70R17) that become the size demanding a lift and reversible crash-plate work.

Going up to a 33 also nudges a couple of drivetrain numbers on either generation. A 285/70R17 is about 3.5 percent taller than a stock 265/70R17, so it makes the speedometer read roughly 3.5 percent low (about 72.4 mph actual at an indicated 70) and acts like slightly taller gearing off the line. That is small enough that most owners leave it alone; regearing usually enters the conversation at 35s, though some 3rd-gen owners running heavy 33s and towing opt for a mild regear to about 4.56 or 4.88.

> **Confirm before you buy:** Run your exact 33 through a tire calculator and a max tire size estimator for your generation, then verify it against your door-jamb placard, your wheel offset, and real owner photos of your trim. Two 285/70R17 tires from different brands can differ by half an inch, which is the difference between a bolt-on and a trim job.

## FAQ
### Can you fit 33s on a stock Tacoma with no lift?
On a 4th-gen Tacoma, a 285/70R17 (about 32.7 inches) is close to a bolt-on with at most mud-flap removal and minor liner or bumper-tab work. On a 2nd- or 3rd-gen Tacoma, 33s with no lift usually need removing the mud flaps, trimming the fender liner, and often a cab-mount chop, especially at full steering lock while loaded.

### What size is a 33-inch tire in metric on a Tacoma?
The common 33s are 285/70R17 (about 32.7 inches) on 17-inch wheels, 285/75R16 (about 32.8 inches) on 16s, and the narrow 255/85R16 (about 33 inches). A 255/80R17 is a narrow 33 on 17s. All round off to a 33 even though their measured diameters differ by a few tenths of an inch.

### Do you have to cut the cab mount for 33s?
On a 2nd- or 3rd-gen Tacoma, often yes for a 285-width 33, especially with a lower-offset wheel or when turning hard while loaded - the cab mount is the body bracket the tire hits at full lock. A narrow 255-width 33 frequently avoids it. On a 4th-gen Tacoma the cab mount is not in the way for 33s.

### Are 33s bolt-on on a 4th-gen Tacoma?
Close to it. The 4th-gen wheel opening is more forgiving and base trims run a higher offset that tucks the tire in, so a 285/70R17 usually needs only mud-flap removal and minor liner or bumper-tab work - no cab-mount chop. Lower-offset wheels or spacers push the tire out and can require more trimming.

### Is the 255/85R16 pizza cutter really a 33?
Yes. The 255/85R16 measures about 33 inches in overall diameter, so it is a true 33 - just a narrow one at about 10 inches wide instead of the 11.2 inches of a 285. That narrow width is why it fits with far less trimming, which is why many 2nd- and 3rd-gen owners choose it for stock 16-inch wheels.

### Will 33s throw off my speedometer or require a regear?
A 285/70R17 is about 3.5 percent taller than a stock 265/70R17, so the speedometer reads roughly 3.5 percent low (about 72.4 mph actual at an indicated 70) and the odometer under-counts by the same amount. It is correctable with a tuner. A regear is not required for 33s; most owners save that for 35s, though some who tow choose a mild 4.56 or 4.88.

## Related
- [Max tire size estimator](https://tacotires.com/max-tire-size-calculator)
- [Tire size calculator](https://tacotires.com/tire-calculator)
- [Speedometer correction calculator](https://tacotires.com/speedometer-correction-calculator)
- [Wheel offset calculator](https://tacotires.com/wheel-offset-calculator)
- [What tire size fits a Tacoma without a lift?](https://tacotires.com/guides/what-tire-size-fits-tacoma-without-lift)
- [265/70R17 vs 285/70R17 on a Toyota Tacoma](https://tacotires.com/guides/265-70r17-vs-285-70r17-toyota-tacoma)

## Sources
- [Toyota Tacoma specifications (toyota.com)](https://www.toyota.com/tacoma/)