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The 315/45 R21 tyre has the following characteristics: a width of 315, a height of 45 and a diameter of 21 inches. These dimensions exist for summer tyres and winter tyres.
These tyre dimensions are suitable for vehicles in saloons, people carriers categories.
See our selection of 315/45 R21 tyres below, including indications of fuel consumption, adhesion on wet ground and external road noise.

  • Top brand recommended
    Car Tyre Continental WinterContact TS 860 S
    See product data sheet

    Continental WinterContact TS 860 S

    315/45 R21 116 V
    • FR
    • EV
    • FR: Flange rim protection
    • EV: Compatible with electric vehicles (EV Ready, Electric Drive…)
    Car tyres Winter
    • B
      Fuel consumption
    • C
      Wet grip
    • 75dB
      External noise in decibels
    • 5 in stock
    • 4 to 5 working days
    £335 ⁠25
    /Delivered Tyre
    £328 ⁠55
    with
    ★★★★★
    (15 recommendations)
  • Car Tyre Continental PremiumContact 6
    See product data sheet

    Continental PremiumContact 6

    315/45 R21 116 Y
    • MO
    • FR
    • EV
    • MO: Mercedes approved tyres
    • FR: Flange rim protection
    • EV: Compatible with electric vehicles (EV Ready, Electric Drive…)
    Car tyres Summer
    • C
      Fuel consumption
    • A
      Wet grip
    • 74dB
      External noise in decibels
    • In stock
    • Delivery within 48 hours
    £294 ⁠69
    /Delivered Tyre
    ★★★★★
    (107 recommendations)
  • Car Tyre Continental PremiumContact 6
    See product data sheet

    Continental PremiumContact 6

    315/45 R21 116 Y
    • MO
    • FR
    • EV
    • MO: Mercedes approved tyres
    • FR: Flange rim protection
    • EV: Compatible with electric vehicles (EV Ready, Electric Drive…)
    Car tyres Summer
    • C
      Fuel consumption
    • B
      Wet grip
    • 74dB
      External noise in decibels
    • 8 in stock
    • Delivery within 48 hours
    £297 ⁠06
    /Delivered Tyre
    ★★★★★
    (107 recommendations)
  • Car Tyre Continental WinterContact TS 860 S
    See product data sheet

    Continental WinterContact TS 860 S

    315/45 R21 116 V
    • FR
    • EV
    • FR: Flange rim protection
    • EV: Compatible with electric vehicles (EV Ready, Electric Drive…)
    Car tyres Winter
    • B
      Fuel consumption
    • C
      Wet grip
    • 75dB
      External noise in decibels
    • 5 in stock
    • 4 to 5 working days
    £335 ⁠25
    /Delivered Tyre
    £328 ⁠55
    with
    ★★★★★
    (15 recommendations)

315/45 R21 car tyres
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Speed index
For winter tyres, the speed rating can be lowered to 2 ratings below the original (unless otherwise specified by the maker).
Inversely, for all tyres, you can fit tyres with speed ratings higher than the original ones if necessary.
Load index
You can fit tyres with a load index higher than that of your original tyres.
Vehicle / usage
Characteristics

Price
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Grip on wet surface
Measure the impact of a vehicle's wet grip
Fuel consumption
Measure the impact of a tyre's rolling resistance on a vehicle's fuel efficiency
Noise
Measure a tyre's external rolling noise (expressed in decibels) - this is not the tyre noise audible inside a vehicle
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