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Roadmaster

Rims for Buick Roadmaster in Easy-to-Read Graphs

Average rim size per years

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Quick notes on Buick Roadmaster rims

    • Average rim diameter: 15 in. (381 mm)
    • Average rim width: 7 in. (178 mm)
    • Load to one rim: 511 kg (1127 lbs)
    • Rim diameter to car height: 25%
    • Power in 1 mm of rim width: 1.48 hp/mm (1.09 kW/mm)
    • Rims diameter to fuel consumption: 19.05 mm to 1 mpg
    • Summary width of rims: 28 in. (711 mm)
    • Rim circumference: 47.1 in. per wheel (1196 mm)
    • Rimsley rating: 2 / 10

Original Buick Roadmaster rim size

  • 5.7 i V8 — 7 in. width and 15 in. diameter

    Possible tire width

  • 5.7 i V8 — 195 mm min and 225 mm max

    • Disc diameter to power ratio

  • 5.7 i V8 — 18 hp per 1 in. (13 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    5.7 i V8 7J x 15
    (178 x 381 mm)     		0.8 mm to 1 Nm 46.7% 188 in.
    (4775 mm)     		28 in.
    (711 mm)
    Vehicle 5.7 i V8
    Rim width and diameter 7J x 15
    (178 x 381 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 46.7%
    Total rims circumference 188 in.
    (4775 mm)
    Total rims width 28 in.
    (711 mm)

    Quick notes on Buick Roadmaster rims

      • Average rim diameter: 15 in. (381 mm)
      • Average rim width: 7.5 in. (191 mm)
      • Load to one rim: 465 kg (1024 lbs)
      • Rim diameter to car height: 27%
      • Power in 1 mm of rim width: 1.38 hp/mm (1.01 kW/mm)
      • Rims diameter to fuel consumption: 19.05 mm to 1 mpg
      • Summary width of rims: 30 in. (762 mm)
      • Rim circumference: 47.1 in. per wheel (1196 mm)
      • Rimsley rating: 2 / 10

    Original 1991 Buick Roadmaster rim size

  • 5.7 i V8 — 7.5 in. width and 15 in. diameter

    Possible tire width

  • 5.7 i V8 — 205 mm min and 235 mm max

    • Disc diameter to power ratio

  • 5.7 i V8 — 18 hp per 1 in. (13 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    5.7 i V8 7.5J x 15
    (191 x 381 mm)     		0.8 mm to 1 Nm 50% 188 in.
    (4775 mm)     		30 in.
    (762 mm)
    Vehicle 5.7 i V8
    Rim width and diameter 7.5J x 15
    (191 x 381 mm)
    Rim diameter to torque 0.8 mm to 1 Nm
    Rim width to diameter ratio 50%
    Total rims circumference 188 in.
    (4775 mm)
    Total rims width 30 in.
    (762 mm)