Welcome to Rota Wheels UK - the home of Rota Wheels in Europe

Tyre Size Calculator

Enter your existing wheel and tyre specification in 'Existing Setup' then enter the specification of your potentially new wheels and tyres to see what a difference it will make!

This tool is great for working out if your new wheels will give you more or less clearance to your suspension and wheel arches. If you have any questions or need help using it please do get in touch and we'll be happy to help you with it.

Existing setup

New setup

Tyre diagram

The image to the left shows your 'Existing' wheel and tyre (grey + black) with the 'New Setup' (green + black) overlaid.

This is a graphical representation of how your chosen change in wheel and tyre will affect your stance, poke and clearance.

To see the wheel to tyre ratio changes, and the Existing vs New tyres in profile select 'Tyre Image'.

For the measurements, take a look in the 'Data Table' tab.

Tyre image
Data table
ExistingNew
Tyre Diameter631.9mm625.3mm
Tyre Circumference1985.2mm1964.4mm
Additional PokeN/A
Inboard ClearanceN/A
Gearing ChangeN/A1.01%
Speedo at 30mph30mph
Speedo at 60mph60mph
Ride Height ChangeN/A
Arch Gap ChangeN/A

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  1. D154 17x8 4x108 ET42 White
    Excl. VAT: £158.33 Incl. VAT: £190.00
    The perfect fitting wheel for: Ford Fiesta MKV Ford Fiesta MKVI Ford Fiesta MKVII Learn More
  2. D154 18x8.5 4x108 ET20 White
    Excl. VAT: £212.50 Incl. VAT: £255.00
    D154,18,8.5,4108,ET20,White Learn More
  3. D154 18x8.5 4x108 ET35 White
    Excl. VAT: £212.50 Incl. VAT: £255.00
    D154,18,8.5,4108,ET35,White Learn More
  4. EG6 16x7 4x108 ET35 Silver with Polished Lip
    Excl. VAT: £139.17 Incl. VAT: £167.00
    EG6 16x7 4x108 ET35 Silver with Polished Lip Learn More
  5. Grid 17x7.5 4x108 ET45 White
    Excl. VAT: £150.00 Incl. VAT: £180.00
    The perfect fitting wheel for: Ford Fiesta MKV Ford Fiesta MKVI Ford Fiesta MKVII Learn More
  6. Grid-V 15x7 4x108 ET20 Silver with Polished Lip
    Excl. VAT: £137.50 Incl. VAT: £165.00
    Grid-V,15,7,4108,ET20,Silver with Polished Lip Learn More
  7. GTR 17x7.5 4x108 ET45 White
    Excl. VAT: £150.00 Incl. VAT: £180.00
    The perfect fitting wheel for: Ford Fiesta MKV Ford Fiesta MKVI Ford Fiesta MKVII Learn More
  8. MXR 17x7.5 4x108 ET40 Silver with Polished Lip
    Excl. VAT: £150.00 Incl. VAT: £180.00
    MXR,17,7.5,4108,ET40,Silver with Polished Lip Learn More
  9. RB 15x7 4x108 ET30 Silver with Polished Lip
    Excl. VAT: £137.50 Incl. VAT: £165.00
    RB,15,7,4108,ET30,Silver with Polished Lip Learn More
  10. Recce 17x8 4x108 ET40 White
    Excl. VAT: £158.33 Incl. VAT: £190.00
    The perfect fitting wheel for: Ford Fiesta MKV Ford Fiesta MKVI Ford Fiesta MKVII Learn More

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