Here’s a clean, side-by-side table of the most common KS4-friendly off-road tire upgrades , followed by photos for each.
Recommended tire options (stock suspension)
| Make | Model | Size | Why it works |
|---|---|---|---|
| Yokohama | Geolandar KT | 155/80R12 | Best balance: wider, quiet, durable |
| Maxxis | Trepador | 145R12 / 155/80R12 | Most aggressive grip & look |
| Forceum | MT08 | 155/80R12 | Budget mud-terrain option |
Quick guidance
- Perfect fit, best value: Yokohama Geolandar KT 155/80R12
- Most off-road capable: Maxxis Trepador
- Cheap & fun: Forceum MT08
What tire upgrades for the Sambar?
You’ve got a few proven tire upgrades for the Subaru Sambar KS4 that keep fitment sane while improving grip and looks.
Factory baseline
- Stock size: 145R12 (≈ 22.3″ tall, skinny)
- Works, but very street-biased
Best “slightly wider, no drama”
155/80R12
- ~0.4″ wider, almost same diameter
- No rubbing on stock suspension
- Best balance of availability + fit
Best all-around upgrade
Yokohama Geolandar KT (155/80R12)
- All-terrain tread
- Quiet on road, solid dirt/gravel grip
- Excellent quality for kei trucks
Best off-road look & grip
Maxxis Trepador (145R12 or 155/80R12)
- Aggressive mud-terrain style
- Tough sidewalls
- Slight road noise (worth it off-road)
Budget option
Forceum MT08
- Cheap, knobby, fun
- Not as refined, but works
Sizes to avoid (stock suspension)
- 165/80R12 → rubbing risk
- Anything taller than ~23″ OD
My pick for you:
Yokohama Geolandar KT in 155/80R12 — perfect fit, better stance, real-world traction.
If you want, tell me:
- Stock wheels or aftermarket?
- Lift planned?
- Mostly sand, dirt roads, or mud?
I’ll dial it in exactly.