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Pilot Sport S 5

275/40R23 Y (112)
5.0/5
(11 reviews)
  • C
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: C

    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.

  • B75 dB
    External Noise
    Noise Emission / Exterior Noise: B (75 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.

  • Tick Icon Reinforced (XL)
    Extra Load or Reinforced tyres:

    A stronger sidewall lets this tyre carry more weight than a standard tyre of the same size. Marked XL on the sidewall.

Fit from:03-09-2026
Fully Fitted Price
£51538
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275/40 R23 Dimensions Explained

275/40 R23 is a size for large SUVs with very large wheels. 275 is the width in millimetres. 40 is the sidewall height as a percentage of 275mm, so the sidewall height is 110mm. R23 means a radial tyre that fits a 23-inch rim. The overall diameter is 804mm, with a sidewall of 110mm. The 110mm height is inconsequential to the large SUVs. Tyres.co.uk sells the 275/40 R23 size and XL versions.

Part of the sizeValueWhat it means
Section width 275 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 40 Sidewall height as a percentage of the width - here, 40% of 275 mm (about 110 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 23 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 110.0 mm (4.33 in)
Overall diameter 804 mm (31.7 in)
Circumference 2,526 mm (99.5 in)
Revolutions 637 per mile · 396 per km
Equivalent sizes
SizeOverall diameter
275/45 R22 806 mm · +0.3%
265/45 R22 797 mm · -0.9%
285/40 R23 812 mm · +1.0%
295/40 R22 795 mm · -1.2%
285/45 R22 815 mm · +1.4%
295/35 R24 816 mm · +1.5%