Buy 205/45 R18 Tyres

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Eco Contact 7

205/45R18 H (90)
4.5/5
(6 reviews)
  • A
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: A

    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.

  • A69 dB
    External Noise
    Noise Emission / Exterior Noise: A (69 dB)

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

Great Fuel Efficiency
Noise Reduction
  • 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
£15736
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Eagle F1 (Asymmetric 3)

205/45R18 V (90)
4.5/5
(4 reviews)
  • B
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: B

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

  • A
    Wet Grip
    Wet Grip / Braking Performance: A

    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.

  • B72 dB
    External Noise
    Noise Emission / Exterior Noise: B (72 dB)

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

Wet Grip Excellence
  • 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
£15786
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UltraContact

205/45R18 V (90)
4.0/5
(1 reviews)
  • B
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: B

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

  • A
    Wet Grip
    Wet Grip / Braking Performance: A

    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.

  • A69 dB
    External Noise
    Noise Emission / Exterior Noise: A (69 dB)

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

Wet Grip Excellence
Noise Reduction
  • 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
£16124
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CrossClimate 3

205/45R18 V (90)
5.0/5
(4 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.

  • B72 dB
    External Noise
    Noise Emission / Exterior Noise: B (72 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.

  • Tick Icon All season
    All season tyres:

    Built to handle both summer and winter conditions, so the same tyres can stay on all year instead of being swapped twice.

Fit from:03-09-2026
Fully Fitted Price
£20395
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205/45 R18 Dimensions Explained

205/45 R18 is a low-profile tyre size for small cars that have large wheels. The number 205 is the width of the tyre in millimetres. 45 means that the sidewall is 45% of 205mm, giving a measurement of 92mm. R18 means that it is a radial tyre that is 18 inches, which gives 642mm of diameter. It has a short sidewall which helps limit flex when turning. At Tyres.co.uk we sell 205/45 R18, including XL versions.

Part of the sizeValueWhat it means
Section width 205 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 45 Sidewall height as a percentage of the width - here, 45% of 205 mm (about 92 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 92.2 mm (3.63 in)
Overall diameter 642 mm (25.3 in)
Circumference 2,016 mm (79.4 in)
Revolutions 798 per mile · 496 per km
Equivalent sizes
SizeOverall diameter
225/35 R19 640 mm · -0.2%
225/40 R18 637 mm · -0.7%
205/50 R17 637 mm · -0.8%
215/50 R17 647 mm · +0.8%
225/45 R17 634 mm · -1.2%
215/35 R19 633 mm · -1.3%