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285/30R21 Tires

285/30R21 tires have a diameter of 27.7", a section width of 11.2", and a wheel diameter of 21". The circumference is 87.1" and they have 728 revolutions per mile.
Generally they are approved to be mounted on 9.5-10.5" wide wheels.
Specs may vary by manufacturer. learn more
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285/30R21 Tire Front
11.2"
27.7"
285/30R21 Tire Side
21 Inch Wheel
Circumference
87.1"
21"
3.4"
728 Revs/Mile
285/30R21
Diameter : 27.7"
Width : 11.2"
Wheel : 21" x 9.5-10.5"
Sidewall : 3.4"
Circum. : 87.1"
Revs/Mile : 728

Upsizing Wheels or Tires?

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Brand
  • Continental (2)
  • Michelin (2)
  • Nitto (1)
  • Pirelli (2)
  • Toyo (1)
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  • Summer (7)
  • Winter (1)
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  • Performance (1)
  • Supreme Performance (5)
  • Ultra High Performance (2)
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  • 30K Miles (2)
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  • W (1)
  • Y (7)
Price
  • $250-$300 (2)
  • Above $300 (6)

Nitto Tires
 Nitto Invo 285/30R21
Invo
Summer | 100Y XL
Avg. $280.00
 Ultra High Performance 
Toyo Tires
 Toyo Proxes T1R 285/30R21
Proxes T1R
Summer | 100Y XL
Avg. $284.00
 Ultra High Performance 
Pirelli Tires
 Pirelli P Zero 285/30R21
P Zero
Summer | 100Y XL
Avg. $367.00
 Supreme Performance 
$70 REBATE
Michelin Tires
 Michelin Pilot Super Sport 285/30R21
Pilot Super Sport
Summer | 100Y XL
Avg. $374.50
 Supreme Performance 
30K Miles
$70 REBATE
Michelin Tires
 Michelin Pilot Sport 4S 285/30R21
Pilot Sport 4S
Summer | 100Y XL
Avg. $393.00
 Supreme Performance 
30K Miles
$70 REBATE
Continental Tires
 Continental ContiSportContact 5 285/30R21
ContiSportContact 5
Summer | 100Y XL
Avg. $413.00
 Supreme Performance 
$70 REBATE
Continental Tires
 Continental ContiSportContact 5P 285/30R21
ContiSportContact 5P
Summer | 100Y XL
Avg. $429.00
 Supreme Performance 
$70 REBATE
Pirelli Tires
 Pirelli Winter Sottozero 3 285/30R21
Winter Sottozero 3
Winter | 100W XL
Avg. $527.00
 Performance