275/65 R18 - Best summer tyres 2026 - market overview, tests, reviews
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Best summer tyres in tests (2026)
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Comfortable and quiet SUV tyre that is very well balanced with a lean towards durability
275/65 R18 tyre test Personalize
Best tyres in your size
Dry
1.
Firestone Roadhawk
72%
Wet
1.
Firestone Roadhawk
60%
Comfort
1.
Firestone Roadhawk
31%
Economy
1.
Firestone Roadhawk
68%
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Did you know ...?
275/65 R18 doesn't belong to the most popular dimensions for summer tyres - there are 7 tyre models available, which can be compared to 155/60 R15, 160/60 R18, 165/60 R14. Let's break down the sizing - 65 is height of the tyre, which is calculated as 65% of the tyre width (275mm), which means the sidewall height has 178.75 mm. The wheel diameter is R18, which means it fits to a 18 inch/457.2mm diameter wheel. The total circumference of the tyre is 2559.46 mm, which is very similar to 255/70 R18(2557.88 mm), 235/85 R16(2531.81 mm), 265/75 R16(2525.53 mm), 265/70 R17(2522.07 mm), 285/65 R17(2520.5 mm), 265/65 R18(2518.61 mm), 285/60 R18(2510.76 mm). There are multiple speed indexes available for summer tyres in 275/65 R18: H(210km/h), K(km/h), S(180km/h), T(190km/h). The same goes for weight indexes: 113, 116, 123.
