Brunei Tyre Rules 2026: Drive Left, 1.6 mm, One Border

Brunei is about as far from a winter tyre problem as a country can get: a few degrees north of the equator, on the north coast of Borneo, warm and wet in every month. There is no seasonal tyre rule, no marking requirement and no stud regime.

Two things are worth knowing before you drive here instead. Traffic keeps to the left, and the country has exactly one land neighbour — Malaysia — which it is also physically divided by. The tread floor is 1.6 mm in the main grooves, per Council Directive 89/459/EEC.

Tyre Law Summary for Brunei

Rain, every month

Brunei does not really have a dry season. Rainfall is high year-round and heaviest around the end of the year, and the practical effects are consistent:

• Standing water on the coastal highway. The Muara–Tutong corridor carries the bulk of the traffic, and worn tread turns a heavy shower into an aquaplaning risk at speed.
• Slick surfaces after a dry spell. The first rain after several dry days lifts oil and rubber deposits, which is when grip is at its worst.
• Flooded low sections on secondary roads near the rivers, where the depth is not obvious from the driver’s seat.

None of that argues for a special compound. It argues for depth: a tyre at 1.7 mm has almost no capacity left to move water out of the contact patch.

Heat and humidity age rubber

Equatorial conditions are hard on tyres in a way mileage figures do not capture. Sustained heat and ultraviolet exposure oxidise the compound, and humidity does nothing to slow it. Look along the sidewall shoulder for fine crazing, then confirm with the four-digit DOT code, which gives week and year of manufacture. In this climate that date often matters more than the gauge reading.

The geography that catches people out

Brunei is not one continuous territory. The Malaysian district of Limbang, in Sarawak, separates the main part of the country from the Temburong district in the east. For decades driving between the two meant leaving Brunei, crossing Sarawak and re-entering — four border posts for one domestic journey. The Temburong bridge now links the two halves directly, but the older crossings still exist and are still used.

That is the single most useful thing to plan for here, and it is a paperwork question rather than a tyre one.

Crossing into Malaysia

• Malaysia: Brunei’s only land neighbour, reached through Sarawak. No winter tyre season, and traffic drives on the left on both sides, so technique does not change at the line.

Everything else in the region — Indonesia, Singapore, the Philippines — requires a sea crossing or a long transit through Malaysia, and none of them applies a seasonal tyre rule either.

For speed limits, licence requirements and equipment rules, see the Driving in Brunei guide.

Related tools

• Speeding Fine Calculator
• Tyre Pressure Calculator
• Emission Zone Checker
• Vignette Calculator