Buy 305/70 R19.5 Tyres

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Smart Flex AH35

305/70R19.5 M (148)
  • 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.

  • 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.

  • A71 dB
    External Noise
    Noise Emission / Exterior Noise: A (71 dB)

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

Noise Reduction
  • Tick Icon Truck
    Truck tyre:

    Designed for trucks, buses and other heavy commercial vehicles.

Fit from:16-11-2026
Fully Fitted Price
£471.18
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Your 305/70 R19.5 Tyre Options

  • 1summer tyre
  • CEU wet grip
  • 71EU road noise (dB)

Load and speed ratings on sale

RatingMax load per tyreTop speedTyres
148M3,150 kg81 mph1

305/70 R19.5 Explained

305/70 R19.5 is a commercial vehicle tyre size. 305mm is the width. 70 is the sidewall aspect ratio, so the sidewall is 70% of 305mm, or 214mm. R19.5 is for a radial tyre that fits a 19.5-inch rim, which gives an overall diameter of 922mm. Rims of 19.5 inches are used on medium trucks, buses and trailers, so match the load index and speed rating on your current tyres, and check which axle (steer, drive or trailer) they are made for.

Part of the sizeValueWhat it means
Section width 305 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 70 Sidewall height as a percentage of the width - here, 70% of 305 mm (about 214 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 19.5 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 213.5 mm (8.41 in)
Overall diameter 922 mm (36.3 in)
Circumference 2,897 mm (114.1 in)
Revolutions 555 per mile · 345 per km
Similar sizes
SizeOverall diameter
295/60 R22.5 926 mm · +0.3%
325/55 R22 916 mm · -0.7%
435/50 R19.5 930 mm · +0.9%