225/65 R18 Tyres

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225/65R18 H (103) Image
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SP-7

225/65R18 H (103)
4.7/5
(3 reviews)
  • D
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: D

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

  • B
    Wet Grip
    Wet Grip / Braking Performance: B

    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.

  • B71 dB
    External Noise
    Noise Emission / Exterior Noise: B (71 dB)

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

  • Tick Icon Car
    Car tyre:

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

Fit from:19-10-2026
Fully Fitted Price
£147.06
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225/65 R18 Tyre Reviews

Overall rating4.7/5
Based on 3 reviews
Lochlan N.
Good tyres all round.
Nankang SP-7
Alfie O.
These tyres provide amazing value for the money. I drove with them in heavy rain and along with the winter tyres I had fitted, I felt the car was very stable. I'm not an annual…
Nankang SP-7
Sharn Finleigh
Very confident in this tyre.
Nankang SP-7
Read more reviews
225/65 R18 Tyre Reviews

225/65 R18 Tyre Reviews

4.7/53 reviews

Showing 1–3 of 3 reviews

About these reviews

Tyre reviews recording 225/65 R18, across tyre brands and tread ranges. Each review identifies its tyre range.

4/5

Nankang SP-7

These tyres provide amazing value for the money. I drove with them in heavy rain and along with the winter tyres I had fitted, I felt the car was very stable. I'm not an annual driver so I won't be able to comment on the longevity of the tyres just yet. Overall, I'm very happy with the tyres.

Alfie O.
225/65R18Vehicle recorded: Audi Q5

What Does 225/65 R18 Mean?

The 225/65 R18 tyre size fits mid- and large-SUVs and provides a smooth ride thanks to having some ground clearance. The first number in a size refers to the tyre width in mm. So, for this tyre, the width is 225mm. The next number is the sidewall height expressed as a percentage of the first number. So, for this tyre, the sidewall height is 65% of 225mm, meaning the sidewall height is 146mm. The other part of the size is the rim diameter, in this case, 18 inches, and with a 146mm sidewall at each side, the overall diameter is 750mm. Tyres.co.uk offers this size.

Part of the sizeValueWhat it means
Section width 225 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 65 Sidewall height as a percentage of the width - here, 65% of 225 mm (about 146 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 146.2 mm (5.76 in)
Overall diameter 750 mm (29.5 in)
Circumference 2,355 mm (92.7 in)
Revolutions 683 per mile · 425 per km
Similar sizes
SizeOverall diameter
245/65 R17 750 mm · +0.1%
245/60 R18 751 mm · +0.2%
245/55 R19 752 mm · +0.3%
225/70 R17 747 mm · -0.4%
215/75 R17 754 mm · +0.6%
235/55 R19 741 mm · -1.1%

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