Buy 135/80 R18 Tyres

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UST 17

135/80R18 M (104)
  • -
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: -

    How much fuel the tyre uses as it rolls. Graded A to E, where A is the most efficient and E the least.

  • -
    Wet Grip
    Wet Grip / Braking Performance: -

    How well the tyre stops in the wet. Graded A to E, where A is the shortest stopping distance. Each grade is worth roughly 3 metres, about a car length.

  • -
    External Noise
    Noise Emission / Exterior Noise: -

    How loud the tyre is from outside the car, measured in decibels. Graded A to C, where A is the quietest.

  • Tick Icon Van
    Van tyre:

    Designed for vans and light commercial vehicles and the extra load they carry.

Fit from:17-11-2026
Fully Fitted Price
£92.23
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Comparing 135/80 R18 Tyres

  • 1summer tyre

Load and speed ratings on sale

RatingMax load per tyreTop speedTyres
104M900 kg81 mph1

135/80 R18 Size Guide

Tyres.co.uk stocks 135/80 R18 tyres. 135mm is the width. 80 is the sidewall aspect ratio, so the sidewall is 80% of 135mm, or 108mm. R18 is for a radial tyre that fits an 18-inch rim, which gives an overall diameter of 673mm. A tyre this narrow on an 18-inch rim is most often a space-saver spare, so check the marking on your spare wheel before you order.

Part of the sizeValueWhat it means
Section width 135 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 80 Sidewall height as a percentage of the width - here, 80% of 135 mm (about 108 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 18 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 108.0 mm (4.25 in)
Overall diameter 673 mm (26.5 in)
Circumference 2,115 mm (83.3 in)
Revolutions 761 per mile · 473 per km
Similar sizes
SizeOverall diameter
205/65 R16673 mm · 0.0%
275/30 R20673 mm · 0.0%
155/70 R18674 mm · +0.1%
215/50 R18672 mm · -0.1%
235/35 R20673 mm · -0.1%
195/55 R18672 mm · -0.2%