Mazda BT-50 Tyre Size Guide Australia
Direct answer
The common Mazda BT-50 tyre sizes in Australia include 205/70R15, 215/70R15, 235/75R15, 245/70R16, 255/70R16, 255/65R17, 265/65R17 and 265/60R18. The correct size depends on the BT-50 generation, year, trim level, wheel package and whether the ute has factory or aftermarket wheels.
For the current Mazda BT-50 TF from 2020 onwards, the most common factory-style tyre sizes are 255/65R17 and 265/60R18. Older BT-50 models can use different 15, 16, 17 or 18 inch tyre sizes, so always check the tyre placard and current sidewall before ordering.
Mazda BT-50 tyre size by generation
| BT-50 generation | Years | Common factory-style tyre sizes | Notes |
|---|---|---|---|
| Mazda BT-50 PJ / PK | 2006-2011 | 205/70R15, 215/70R15, 235/75R15, 245/70R16 | Early BT-50 models share platform links with Ford Ranger. Confirm wheel package and placard. |
| Mazda BT-50 UP / UR | 2011-2020 | 255/70R16, 265/65R17, 265/60R18 | Common Adelaide 4WD, touring and trade ute fitment. Upgrade clearance depends on wheels and suspension. |
| Mazda BT-50 TF | 2020-present | 255/65R17, 265/60R18 | Current-generation BT-50 based on the Isuzu D-MAX platform. Check variant such as XT, XTR, GT, SP or Thunder. |
Common BT-50 upgrade tyre sizes
| Upgrade size | Typical use | Fitment note |
|---|---|---|
| 265/70R17 | Popular all-terrain upgrade for touring and 4WD use | Check rolling diameter, offset, load index and guard clearance. |
| 275/65R18 | Larger 18 inch touring / all-terrain setup | Usually needs closer clearance checks than factory sizes. |
| 265/65R18 | Common larger current-generation upgrade | Confirm legal diameter, rim width and suspension clearance. |
| 285/60R18 | Large modified fitment | May require lift, offset changes and trimming. Inspect the vehicle first. |
Shop Mazda BT-50 tyres by size
Use these links as starting points, then confirm the tyre placard, load rating and vehicle setup before fitting.
| Size | Shop or search | Fitment check |
|---|---|---|
| 205/70R15 | Search 205/70R15 tyres | Confirm fitted availability |
| 215/70R15 | Search 215/70R15 tyres | Confirm fitted availability |
| 235/75R15 | Search 235/75R15 tyres | Confirm fitted availability |
| 245/70R16 | Search 245/70R16 tyres | Confirm fitted availability |
| 255/70R16 | Search 255/70R16 tyres | Confirm fitted availability |
| 255/65R17 | Search 255/65R17 tyres | Confirm fitted availability |
| 265/65R17 | Search 265/65R17 tyres | Confirm fitted availability |
| 265/60R18 | Search 265/60R18 tyres | Confirm fitted availability |
Browse the full Autosport Tyre World tyre range, compare BT-50 tyre recommendations, or book wheel alignment Adelaide after new tyres or wheel upgrades.
Wheel specs and fitment checks
Most Mazda BT-50 generations use a 6x139.7 stud pattern, but centre bore, offset and wheel nut torque can vary by generation and wheel package. Treat any wheel or tyre change as a complete fitment check, not only a tyre-size swap.
- Confirm tyre placard size, load index and speed rating.
- Check current tyre sidewall if the vehicle already has aftermarket wheels.
- For all-terrain upgrades, check rim width, wheel offset, suspension height and guard clearance.
- For towing, tools or touring loads, choose a tyre with suitable load rating and construction.
- After fitting new tyres or changing size, check wheel alignment to protect tread life.
Best tyre types for Mazda BT-50 in Adelaide
For daily road use, a highway terrain tyre can be quieter and more comfortable. For trade work, towing, country driving and weekend tracks, many BT-50 owners prefer all-terrain tyres from brands such as Toyo, Falken, BFGoodrich, Yokohama, Kumho, Pirelli, Hankook, Maxxis and Continental.
Adelaide driving can include hot suburban roads, wet winter braking, hills driving and regional touring, so the best tyre is the one that matches the vehicle's load, road use and alignment condition.
Local Mazda BT-50 tyre fitting in Adelaide
Autosport Tyre World can confirm Mazda BT-50 tyre size, load rating, tyre pressure, wheel alignment and upgrade clearance at our Adelaide tyre stores.
TYREPLUS Magill | Autosport Tyre World Magill
647 Magill Road, Magill SA 5072
Phone: 0452 641 023
TYREPLUS Clarence Gardens | Autosport Tyre World Clarence Gardens
911 South Road, Clarence Gardens SA 5039
Phone: 0420 299 911
TYREPLUS Wingfield | Autosport Tyre World Wingfield
411 Grand Junction Road, Wingfield SA 5013
Phone: 0433 645 411
FAQ
What tyre size is a Mazda BT-50?
Common Mazda BT-50 tyre sizes include 205/70R15, 215/70R15, 235/75R15, 245/70R16, 255/70R16, 255/65R17, 265/65R17 and 265/60R18, depending on generation, variant and wheel package.
What size tyres are on a 2020-present Mazda BT-50 TF?
Common current-generation Mazda BT-50 TF factory-style tyre sizes include 255/65R17 and 265/60R18. Always confirm the tyre placard before ordering.
Can I fit 265/70R17 on a Mazda BT-50?
265/70R17 is a common upgrade size for many BT-50 4WD setups, especially 2011-2020 UP/UR models, but clearance, rim width, offset, load rating, lift and legal rolling diameter must be checked first.
Can I fit 275/65R18 or 285/60R18 on a Mazda BT-50?
These are larger upgrade sizes and may need suspension lift, offset changes or clearance checks. They should be confirmed on the vehicle before fitting.
Is the Mazda BT-50 tyre size the same as Ford Ranger or Isuzu D-MAX?
Some BT-50 generations share platforms with Ford Ranger or Isuzu D-MAX, but tyre size still depends on year, trim level and wheel package. Do not assume fitment without checking the placard.
Should I get a wheel alignment after changing Mazda BT-50 tyres?
Yes, especially if the old tyres show shoulder wear, the steering wheel is off-centre, the ute pulls to one side, or you are changing tyre size or wheel offset.