1998 Ford F150 — XLT 2wd Pick-up
The 1998 Ford F150 XLT 2wd Pick-up shipped with 2 different factory tire sizes, depending on the wheel package it left the factory with (this can also reflect a staggered front/rear setup). Check your tire sidewall or door placard to confirm which one applies to your vehicle.
This trim shipped with more than one tire size (staggered fitment, front/rear, or optional wheel package). Confirm which one matches your vehicle by checking your tire sidewall or door placard.
235/70R16
| Section width | 235 mm |
|---|---|
| Aspect ratio (sidewall height) | 70% (164.5 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~29" |
| Revolutions per mile | ~697 |
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255/70R16
| Section width | 255 mm |
|---|---|
| Aspect ratio (sidewall height) | 70% (178.5 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~30.1" |
| Revolutions per mile | ~671 |
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What this size means for your Ford F150
On the 1998 Ford F150 XLT 2wd Pick-up, the factory 235/70R16 measures about 29″ in overall diameter with a 164.5 mm (6.5″) sidewall, and completes roughly 697 revolutions per mile. Its 70-series aspect ratio gives a tall sidewall of the kind used on trucks, SUVs, and older passenger cars, built for cushioning and load. In tire terms it is a passenger (P-metric / Euro-metric) size.
The 235/70R16 and 255/70R16 differ in both width and overall diameter (1.1″, 3.8%), which usually means a staggered front/rear setup — the two sizes are not interchangeable side to side, so match each to its correct axle.
On a vehicle of this age, the Ford F150 may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 1998 Ford F150 trims
- Flareside 4wd 255/70R16
- Lariat 2wd 255/70R16
- Lariat 4wd 255/70R16 / 275/60R17
- Reg Cab 2wd 235/70R16
- Reg Cab 4wd 235/70R16
- STX 275/60R17
- Super Cab 2wd 255/70R16
- Super Cab 4wd 255/70R16 / 275/60R17
- XL 2wd Pick-up 235/70R16
- XL 4wd Pick-up 235/70R16
- XLT 4wd Pick-up 235/70R16 / 255/70R16 / 265/70R17
Ford F150 tire sizes by year
- 2026 Ford F150 275/60R20 / 275/50R22
- 2025 Ford F150 275/60R20 / 275/50R22
- 2024 Ford F150 275/60R20 / 275/50R22
- 2023 Ford F150 265/60R18 / 275/60R20
- 2022 Ford F150 265/60R18 / 275/60R20
- 2021 Ford F150 265/60R18 / 275/60R20
- 2020 Ford F150 265/60R18 / 275/55R20
- 2019 Ford F150 265/60R18 / 275/55R20
- 2018 Ford F150 245/70R17
- 2017 Ford F150 245/70R17
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.