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225/50 R17 vs 245/40 R18 tyre size

What is the difference between 225/50 r17 and 245/40 r18 tyre size?

225/50 r17 and 245/40 r18 Data for 225/50-17 Data for 245/40-18 225 50 r17 anstatt 245 40 r18
Diameter 656.8 653.2 -3.6 / -0.5%
Width inches 225 245 20 / 8.9%
Circum. inches 2063.4 2052.09 -11.31 / -0.5%
Sidewall Height 112.5 98 -14.5 / -12.9%
Revolutions per km 484.64 487.31 2.67 / 0.6%

How much bigger is one type of tyre and can I use 225/50 r17 instead of 245/40 r18?

Speed on the speedometer Actual speed
32.19 km/h 32.01 km/h
40.23 km/h 40.01 km/h
48.28 km/h 48.02 km/h
56.33 km/h 56.02 km/h
64.37 km/h 64.02 km/h
72.42 km/h 72.02 km/h
80.47 km/h 80.03 km/h
88.51 km/h 88.03 km/h
96.56 km/h 96.03 km/h
104.61 km/h 104.03 km/h
112.65 km/h 112.04 km/h
120.7 km/h 120.04 km/h
128.75 km/h 128.04 km/h
136.79 km/h 136.04 km/h
144.84 km/h 144.05 km/h
152.89 km/h 152.05 km/h
160.93 km/h 160.05 km/h
Manufacturers
500 items
Goodride ZuperEco Z-107 225/50 R17 98W XL Summer tyres
EAN: 6938112620912 MPN: 03010434201L1G140201
Reviews - 36
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 kg
  • Speed rating: W = to 270 km/h
  • Extra Load / Reinforced: XL
  • Rim protection: Yes
  • Type: Passenger car
  • Run-Flat Tyres No
  • M+S: No
Details
Free delivery on this item
£46.99
Price per item
£187.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Fortuna F3000 245/40 R18 97W Summer tyres
EAN: 5420068642052 MPN: FO179
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 245 40 R18
  • Load index: 97 = to 730 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
£44.99
Price per item
£179.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Infinity INF 049 225/50 R17 94H Winter tyres
EAN: 5060292474458 MPN: 221001811
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) F
  • Noise emission level B ) 72dB
  • Season: Winter tyres
  • Tyre size: 225 50 R17
  • Load index: 94 = to 670 kg
  • Speed rating: H = to 210 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
£46.49
Price per item
£185.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Firemax FM601 245/40 R18 97W Summer tyres
EAN: 6931644205183 MPN: F0610
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 69dB
  • Season: Summer tyres
  • Tyre size: 245 40 R18
  • Load index: 97 = to 730 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
£46.49
Price per item
£185.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Firemax FM601 225/50 R17 98W Summer tyres
EAN: 6931644205121 MPN: FF0629
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level A ) 69dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£46.99
Price per item
£187.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Tristar Radial F105 225/50 R17 98W XL Summer tyres
EAN: 5420068660858 MPN: TT186
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
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

Trazano SW608 225/50 R17 98H XL Winter tyres
EAN: 6927116148966 MPN: 4896
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: 225 50 R17
  • Load index: 98 = to 750 kg
  • Speed rating: H = to 210 km/h
  • Extra Load / Reinforced: XL
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Rim protection No
Details
Free delivery on this item
£48.49
Price per item
£193.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Insa Turbo ECOEVOLUTION 225/50 R17 94W Summer tyres
EAN: 8433739027437 MPN: 0302052200030
Submit a review
  • Rolling resistance coefficient
  • The best grip of tyre
  • Noise emission level
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 94 = to 670 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
£48.49
Price per item
£193.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Trazano SA37 Sport 225/50 R17 98W Summer tyres
EAN: 6927116117801 MPN: 1780
Reviews - 2
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 kg
  • Speed rating: W = to 270 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
£48.49
Price per item
£193.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Windforce Catchfors A/S 225/50 R17 98W All season tyres
EAN: 6970004905844 MPN: CAS1702
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Winter
  • Season: All-season tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£49.49
Price per item
£197.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Trazano SW608 245/40 R18 97V XL Winter tyres
EAN: 6938112618391 MPN: 1839
Reviews - 1
  • 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: 245 40 R18
  • Load index: 97 = to 730 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
£49.49
Price per item
£197.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Achilles 2233 225/50 R17 98V XL Summer tyres
EAN: 8994731006009 MPN: 1AC-225501798-VT000
Submit a review
  • Rolling resistance coefficient ) F
  • The best grip of tyre ) E
  • Noise emission level B ) 73dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£49.99
Price per item
£199.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Insa Turbo Ecoevolution Plus 225/50 R17 94V Summer tyres
EAN: 8433739029738 MPN: 0302053370025
Submit a review
  • Rolling resistance coefficient
  • The best grip of tyre
  • Noise emission level
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 94 = to 670 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
£49.99
Price per item
£199.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Riken SNOWTIME B2 225/50 R17 94H XL Winter tyres
EAN: 3528700877724 MPN: 087772
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) E
  • Noise emission level B ) 73dB
  • Season: Winter tyres
  • Tyre size: 225 50 R17
  • Load index: 94 = to 670 kg
  • Speed rating: H = to 210 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
£50.49
Price per item
£201.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Zeta Antarctica 5 225/50 R17 98H Winter tyres
EAN: 6921109015945 MPN: 4604801
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: Winter tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 kg
  • Speed rating: H = to 210 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
£50.99
Price per item
£203.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Milestone Greensport 225/50 R17 98W XL Summer tyres
EAN: 4712487549489 MPN: 6476
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
Details
Free delivery on this item
£227.50
Price per item
£910.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGAS01 225/50 R17 98V All season tyres
EAN: 6921109023544 MPN: 6921109023544
Reviews - 4
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: All-season tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£228.50
Price per item
£914.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Delinte AW5 225/50 R17 98V All season tyres
EAN: 6901532472591 MPN: 6901532472591
Reviews - 3
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 72dB
  • Season: All-season tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£228.50
Price per item
£914.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGHP01 225/50 R17 98W Summer tyres
EAN: 6921109023032 MPN: 6921109023032
Reviews - 4
  • Rolling resistance coefficient ) B
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 50 R17
  • Load index: 98 = to 750 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
£231.50
Price per item
£926.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGHP01 245/40 R18 97W Summer tyres
EAN: 6921109023148 MPN: 6921109023148
Submit a review
  • Rolling resistance coefficient ) B
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 245 40 R18
  • Load index: 97 = to 730 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
£232.00
Price per item
£928.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

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