Buy 155/70 R18 Tyres

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Roadrider MK11

155/70R18 V (70)
  • -
    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: - dB

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

Great Value
  • Tick Icon Car
    Car tyre:

    Designed for cars, rather than vans, 4x4s or commercial vehicles.

Fit from:16-11-2026
Fully Fitted Price
£67.34
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Quick Facts on 155/70 R18 Tyres

  • 1summer tyre

Load and speed ratings on sale

RatingMax load per tyreTop speedTyres
70V335 kg149 mph1

155/70 R18 Size Guide

Tyres.co.uk stocks 155/70 R18 tyres. 155mm is the width. 70 is the sidewall aspect ratio, so the sidewall is 70% of 155mm, or 108mm. R18 is for a radial tyre that fits an 18-inch rim, which gives an overall diameter of 674mm. 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 155 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 70 Sidewall height as a percentage of the width - here, 70% of 155 mm (about 109 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 108.5 mm (4.27 in)
Overall diameter 674 mm (26.5 in)
Circumference 2,118 mm (83.4 in)
Revolutions 760 per mile · 472 per km
Similar sizes
SizeOverall diameter
235/30 R21 674 mm · 0.0%
275/35 R19 675 mm · +0.1%
135/80 R18 673 mm · -0.1%
275/30 R20 673 mm · -0.2%
205/65 R16 673 mm · -0.2%
235/35 R20 673 mm · -0.3%