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XR-611

225/50R15 V (91)
4.1/5
(14 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.

  • C
    Wet Grip
    Wet Grip / Braking Performance: C

    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:03-09-2026
Fully Fitted Price
£10278
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225/50 R15 Numbers Explained

You may find Toyota MR2s to have 225/50 R15s at the rear, with narrower front tyres. The numbers are simple. 225 is the width of the tyre in mm. 50 is the ratio of the height of the tyre's cross-section to its width, in this case 112mm (50% of 225). R15 refers to a radial tyre on a 15-inch rim, giving an overall diameter of 606mm. The lower sidewall on the MR2 suits the staggered wheel set-up. At Tyres.co.uk, we supply 225/50 R15s.

Part of the sizeValueWhat it means
Section width 225 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 50 Sidewall height as a percentage of the width - here, 50% of 225 mm (about 112 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 15 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 112.5 mm (4.43 in)
Overall diameter 606 mm (23.9 in)
Circumference 1,904 mm (75.0 in)
Revolutions 845 per mile · 525 per km
Equivalent sizes
SizeOverall diameter
205/55 R15 606 mm · +0.1%
225/45 R16 609 mm · +0.5%
205/60 R14 602 mm · -0.7%
205/50 R16 611 mm · +0.9%
245/50 R14 601 mm · -0.9%
215/45 R16 600 mm · -1.0%