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235/65 R18 vs 235/40 R18 tyre size

What is the difference between 235/65 r18 and 235/40 r18 tyre size?

235/65 r18 and 235/40 r18 Data for 235/65-18 Data for 235/40-18 235 65 r18 anstatt 235 40 r18
Diameter 762.7 645.2 -117.5 / -15.4%
Width inches 235 235 0 / 0%
Circum. inches 2396.09 2026.96 -369.14 / -15.4%
Sidewall Height 152.75 94 -58.75 / -38.5%
Revolutions per km 417.35 493.35 76 / 18.2%

How much bigger is one type of tyre and can I use 235/65 r18 instead of 235/40 r18?

Speed on the speedometer Actual speed
32.19 km/h 27.23 km/h
40.23 km/h 34.04 km/h
48.28 km/h 40.84 km/h
56.33 km/h 47.65 km/h
64.37 km/h 54.46 km/h
72.42 km/h 61.26 km/h
80.47 km/h 68.07 km/h
88.51 km/h 74.88 km/h
96.56 km/h 81.68 km/h
104.61 km/h 88.49 km/h
112.65 km/h 95.3 km/h
120.7 km/h 102.11 km/h
128.75 km/h 108.91 km/h
136.79 km/h 115.72 km/h
144.84 km/h 122.53 km/h
152.89 km/h 129.33 km/h
160.93 km/h 136.14 km/h
Manufacturers
500 items
Taurus WINTER XL M+S 3PMSF 235/40 R18 95V XL Winter tyres
EAN: 3528709922678 MPN: 992267
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Winter
  • Season: Winter tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: V = to 240 km/h
  • Extra Load / Reinforced: XL
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Rim protection No
Details
Free delivery on this item
£29.49
Price per item
£117.96 / Price per 4 items

price incl. 20% VAT

free delivery

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Sunny SN3830 235/40 R18 95V Winter tyres
EAN: 6950306303128 MPN: 0312
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) E
  • Noise emission level B ) 72dB
  • Season: Winter tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: V = to 240 km/h
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
Details
Free delivery on this item
£42.49
Price per item
£169.96 / Price per 4 items

price incl. 20% VAT

free delivery

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Duraturn Mozzo Sport 235/40 R18 95W XL Summer tyres
EAN: 5420068613540 MPN: DN148
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£42.99
Price per item
£171.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Tristar F107 235/40 R18 95W XL Summer tyres
EAN: 5420068661046 MPN: TT205
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Rim protection: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
Details
Free delivery on this item
£44.99
Price per item
£179.96 / Price per 4 items

price incl. 20% VAT

free delivery

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Rovelo RPX-988 235/40 R18 95W XL Summer tyres
EAN: 6959655475142 MPN: 3220011756
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£47.49
Price per item
£189.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Goodride ZuperEco Z-107 235/40 R18 95W XL Summer tyres
EAN: 6938112620974 MPN: 0301043520162G140201
Reviews - 8
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Rim protection: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • M+S: No
Details
Free delivery on this item
£49.99
Price per item
£199.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Lanvigator CATCHPOWER PLUS 235/40 R18 95Y XL Summer tyres
EAN: 6924064129405 MPN: 7HH2425H1
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: Y = to 300 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£50.49
Price per item
£201.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Firemax FM601 XL 235/40 R18 95W XL Summer tyres
EAN: 6971901474648 MPN: 0609H
Reviews - 1
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 69dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£50.49
Price per item
£201.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Sunny NA603XL 235/40 R18 95W Summer tyres
EAN: 6950306325397 MPN: 2539
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Rim protection: Yes
  • Type: Passenger car
  • Extra Load / Reinforced No
  • M+S: No
Details
Free delivery on this item
£50.49
Price per item
£201.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Triangle PL01 235/40 R18 95R Winter tyres
EAN: 6959753213493 MPN: CBPTRPL123M18RFJ
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) D
  • Noise emission level B ) 72dB
  • Winter
  • Season: Winter tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: R = to 170 km/h
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
Details
Free delivery on this item
£50.99
Price per item
£203.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Trazano SW608 235/40 R18 95V XL Winter tyres
EAN: 6938112618377 MPN: 1837
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Winter
  • Season: Winter tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: V = to 240 km/h
  • Extra Load / Reinforced: XL
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Rim protection No
Details
Free delivery on this item
£50.99
Price per item
£203.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Zeetex HP6000 ECO 235/40 R18 95Y XL Summer tyres
EAN: 6290300065012 MPN: 1200056120
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: Y = to 300 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£51.99
Price per item
£207.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

SONIX PRIME UHP 08 235/40 R18 95W XL Summer tyres
EAN: 6932094135983 MPN: 2ERM062
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£51.99
Price per item
£207.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Infinity ECOMAX 235/40 R18 95W Summer tyres
EAN: 5060292473048 MPN: 221012707
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
Details
Free delivery on this item
£51.99
Price per item
£207.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Fortuna Winter UHP 235/40 R18 95V XL Winter tyres
EAN: 5420068642472 MPN: FP441
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Winter
  • Season: Winter tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: V = to 240 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
Details
Free delivery on this item
£52.49
Price per item
£209.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Viking ProTech HP 235/40 R18 95Y XL Summer tyres
EAN: 4024069583614 MPN: 1562166000
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: Y = to 300 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
Details
Free delivery on this item
£57.99
Price per item
£231.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

AUSTONE Athena SP-701 235/40 R18 95W SUV summer tyres
EAN: 2082493699006 MPN: 3834028018
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Type: 4x4 tyres
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£60.49
Price per item
£241.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGHP01 235/40 R18 95W Summer tyres
EAN: 6921109023094 MPN: 6921109023094
Reviews - 3
  • Rolling resistance coefficient ) B
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: W = to 270 km/h
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
Details
Free delivery on this item
£243.00
Price per item
£972.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGHP02XL 235/40 R18 95Y XL Summer tyres
EAN: 8859295842664 MPN: RH8859295842664
Reviews - 1
  • Rolling resistance coefficient ) B
  • The best grip of tyre ) B
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: Y = to 300 km/h
  • Extra Load / Reinforced: XL
  • Type: Passenger car
  • C-type No
  • Rim protection No
  • M+S: No
Details
Free delivery on this item
£254.50
Price per item
£1,018.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Nexen N8000XL 235/40 R18 95Y Summer tyres
EAN: 6945080109455 MPN: 10945
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) B
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 235 40 R18
  • Load index: 95 = to 690 kg
  • Speed rating: Y = to 300 km/h
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced No
  • Rim protection No
Details
Free delivery on this item
£263.50
Price per item
£1,054.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

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