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Toyota iQ Tire Sizes in Simple-to-Read Graphs

Tire width for different generations

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Quick notes on Toyota iQ tires

    • Min-max tire width: 175 mm
    • Min-max wheel diameter: R15
    • Min-max sidewall height: 114 mm
    • Tire width difference from average: +20.6%
    • Average wheel height: 609 mm
    • Tire width per 1 hp: 2.2 mm / 1 hp
    • Weight per 1 mm of tire width: 5 kg / 1 mm
    • Load to 1 tire: 229 kg / 505 lbs
    • Power to 1 tire: 20 hp / 15 kW
    • Tiremain rating: 2 / 10

Tire width to car width ratio

  • Average tire width: 175 mm;
    Car body width: 1680 mm;
    Car width to tyre width: 10%;

    • Whole wheel height (in. and mm)

  • Disc height: 381 mm;
    Tire height: 114 mm;
    Wheel height: 609 mm;

    Tire width to power ratio

  • 1.4 D-4D — 1.9 mm per 1 hp (2.7 mm/kW)
  • 1.0 VVT-i — 2.6 mm per 1 hp (3.5 mm/kW)

    Vehicle Tire width / profile height Whole tire height Engine сс to 1 tire Tire circumference Summary tire width
    1.4 D-4D 175 / 114 mm 609 mm
    (24 in)     		341 cc (0.34 L) 1913 mm
    (75.3 in)     		700 mm
    (27.6 in)
    1.0 VVT-i 175 / 114 mm 609 mm
    (24 in)     		250 cc (0.25 L) 1913 mm
    (75.3 in)     		700 mm
    (27.6 in)
    Vehicle 1.4 D-4D
    Tire width / profile height 175 / 114 mm
    Whole tire height 609 mm (24 in)
    Engine сс to 1 tire 341 cc (0.34 L)
    Tire circumferencee 1913 mm (75.3 in)
    Summary tire width 700 mm (27.6 in)
    Vehicle 1.0 VVT-i
    Tire width / profile height 175 / 114 mm
    Whole tire height 609 mm (24 in)
    Engine сс to 1 tire 250 cc (0.25 L)
    Tire circumferencee 1913 mm (75.3 in)
    Summary tire width 700 mm (27.6 in)

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