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225/55 R16 vs 245/40 R18 tyre size

What is the difference between 225/55 r16 and 245/40 r18 tyre size?

225/55 r16 and 245/40 r18 Data for 225/55-16 Data for 245/40-18 225 55 r16 anstatt 245 40 r18
Diameter 653.9 653.2 -0.7 / -0.1%
Width inches 225 245 20 / 8.9%
Circum. inches 2054.29 2052.09 -2.2 / -0.1%
Sidewall Height 123.75 98 -25.75 / -20.8%
Revolutions per km 486.79 487.31 0.52 / 0.1%

How much bigger is one type of tyre and can I use 225/55 r16 instead of 245/40 r18?

Speed on the speedometer Actual speed
32.19 km/h 32.15 km/h
40.23 km/h 40.19 km/h
48.28 km/h 48.23 km/h
56.33 km/h 56.27 km/h
64.37 km/h 64.3 km/h
72.42 km/h 72.34 km/h
80.47 km/h 80.38 km/h
88.51 km/h 88.42 km/h
96.56 km/h 96.46 km/h
104.61 km/h 104.5 km/h
112.65 km/h 112.53 km/h
120.7 km/h 120.57 km/h
128.75 km/h 128.61 km/h
136.79 km/h 136.65 km/h
144.84 km/h 144.69 km/h
152.89 km/h 152.72 km/h
160.93 km/h 160.76 km/h
Manufacturers
500 items
Duraturn Mozzo Sport 225/55 R16 99W Summer tyres
EAN: 5420068614004 MPN: DN197
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£41.99
Price per item
£167.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Trazano SW608 225/55 R16 99H Winter tyres
EAN: 6927116148959 MPN: 4895
Reviews - 3
  • 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 55 R16
  • Load index: 99 = to 775 kg
  • Speed rating: H = to 210 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
£41.99
Price per item
£167.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Trazano SA37 Sport 225/55 R16 99W Summer tyres
EAN: 6927116148652 MPN: 4865
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£44.49
Price per item
£177.96 / 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

Cooper Zeon CS6 225/55 R16 95V Summer tyres
EAN: 0029142675600 MPN: 5090318
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • 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
£44.99
Price per item
£179.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Nordexx WinterSafe 225/55 R16 99H XL Winter tyres
EAN: 5705050003791 MPN: 87574
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) E
  • Noise emission level B ) 71dB
  • Season: Winter tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£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

Firestone Firehawk TZ 300 a 225/55 R16 95V Summer tyres
EAN: 3286340250016 MPN: 2500
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) C
  • Noise emission level C ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • 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
£46.49
Price per item
£185.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

HI FLY HF 805 225/55 R16 99V Summer tyres
EAN: 6953913101439 MPN: X1CYM
Submit a review
  • Rolling resistance coefficient ) E
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
  • 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

King Meiler oko 225/55 R16 95V Summer tyres
EAN: 4037392155144 MPN: R-237556
Submit a review
  • Rolling resistance coefficient
  • The best grip of tyre
  • Noise emission level
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • 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
£48.49
Price per item
£193.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Cooper Zeon CS6 225/55 R16 95Y Summer tyres
EAN: 0029142675822 MPN: 5090115
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • 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
£49.49
Price per item
£197.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Tristar Radial F105 225/55 R16 99W XL Summer tyres
EAN: 5420068660711 MPN: TT172
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 70dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£49.49
Price per item
£197.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Rotalla Radial F105 225/55 R16 99V Summer tyres
EAN: 6958460901310 MPN: 901310
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 kg
  • Speed rating: V = to 240 km/h
  • Rim protection: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Extra Load / Reinforced 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

Nexen NPriz 4S 225/55 R16 95H All season tyres
EAN: 8807622191503 MPN: 11915NXK
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level C ) 72dB
  • Season: All-season tyres
  • Tyre size: 225 55 R16
  • Load index: 95 = to 690 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
£49.99
Price per item
£199.96 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Double coin DC99 225/55 R16 95V Summer tyres
EAN: 6971861770378 MPN: 80172601
Submit a review
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) C
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • 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
  • M+S: No
Details
Free delivery on this item
£204.00
Price per item
£816.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Milestone Greensport 225/55 R16 99W XL Summer tyres
EAN: 4712487549298 MPN: 6431
Submit a review
  • Rolling resistance coefficient ) D
  • The best grip of tyre ) B
  • Noise emission level B ) 72dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£214.50
Price per item
£858.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Linglong GreenMax All Season 225/55 R16 99V XL All season tyres
EAN: 6959956746880 MPN: 221013982
Reviews - 2
  • Rolling resistance coefficient ) B
  • The best grip of tyre ) D
  • Noise emission level B ) 72dB
  • Winter
  • Season: All-season tyres
  • Alpine Symbol (3PMSF): Yes
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 kg
  • Speed rating: V = to 240 km/h
  • Extra Load / Reinforced: XL
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
Details
Free delivery on this item
£222.00
Price per item
£888.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Roadhog RGS01 225/55 R16 99W Summer tyres
EAN: 6921109022882 MPN: 6921109022882
Reviews - 2
  • Rolling resistance coefficient ) C
  • The best grip of tyre ) B
  • Noise emission level B ) 71dB
  • Season: Summer tyres
  • Tyre size: 225 55 R16
  • Load index: 99 = to 775 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
£223.00
Price per item
£892.00 / Price per 4 items

price incl. 20% VAT

free delivery

Sold by AUTODOC

Linglong WINTERUHP 225/55 R16 99H XL Winter tyres
EAN: 6959956704279 MPN: 221001832
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: 225 55 R16
  • Load index: 99 = to 775 kg
  • Speed rating: H = to 210 km/h
  • Extra Load / Reinforced: XL
  • M+S: Yes
  • Type: Passenger car
  • C-type No
  • Run-Flat Tyres No
  • Rim protection No
Details
Free delivery on this item
£230.50
Price per item
£922.00 / 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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