345/25R21 Tire Size

Understanding 345/25R21 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 345/25R21 tire size specs and dimensions, what vehicles are equipped with 345/25R21 tires and what are its replacement alternatives.

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What does 345/25R21 mean?

345/25R21 is a Metric tire size that is commonly used on passenger and crossover vehicles. Let us decode each aspect of 345/25R21 tire size dimensions for better understanding.

  • 345 - this number indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Section width of this particular tire is 345 millimeters.
  • 25 - this number represents the aspect ratio of a tire. It is the ratio of the tire's sidewall height to its width. For this particular tire size, tire's sidewall height is 25% of its tread width.
  • R - this letter denotes that tire has radial construction.
  • 21 - the last number indicates the wheel diameter in inches that the tire is designed to fit. 345/25R21 can be mounted on rims with 21 inches in diameter.
345/25R21 Section Width
13.6"
27.8"
345/25R21 Tire Side
Tire Circumference
87.3"
21"
3.4"
726 Revs/Mile
Metric Inches
Tread Width 345 mm 13.6"
Aspect Ratio 25%
Rim Diameter 533 mm 21"
Tire Diameter 706 mm 27.8"
Sidewall Height 86.3 mm 3.4"
Circumference 2217 mm 87.3"
Revolutions 451 per km 726 per mile

What is 345/25R21 in inches?

When converted to inches, 345/25R21 tire size is equivalent to 27.8x13.6R21. 27.8 inches indicate the tire diameter, 13.6 inches represent tread width, and 21 inches is the diameter of a rim the tire can be mounted on.

What vehicles use 345/25R21 tire size?

There is 1 vehicle model that uses 345/25R21 as original equipment tire size. Select your vehicle model for more details.

What are replacement alternatives for 345/25R21 tire?

Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of replacement and plus tire sizes that are within the optimal characteristics of the original 345/25R21 tire size.

Keep in mind that different vehicles have different tire requirements. Passenger cars, SUVs, trucks, and high-performance vehicles each have specific types of tires that are engineered for their particular needs. When replacing tires on your vehicle, always refer to your vehicle's owner's manual for manufacturer recommendations on tire size, type, and other specifications.

Replacement Tire Size Overall Diameter Difference
355/25R21 0.7%
335/25R22 2.9%

What wheels can 345/25R21 tire be mounted on?

345/25R21 tires are generally approved to be mounted on 12" to 13" wide wheels. The follwing wheel sizes can be used:

  • 21x12
  • 21x12.5
  • 21x13

345/25R21 tire size comparison chart

Tire Size Overall Diameter Difference
345/25R21 vs 255/45R21 8.1%
345/25R21 vs 235/35R21 -1.1%
345/25R21 vs HL265/35R21 1.8%
345/25R21 vs 355/25R21 0.7%
345/25R21 vs 335/30R21 4%
345/25R21 vs 325/40R21 12.4%
345/25R21 vs 325/30R21 3.2%
345/25R21 vs 315/45R21 15.7%
345/25R21 vs 315/40R21 11.2%
345/25R21 vs 315/35R21 6.8%
345/25R21 vs 315/30R21 2.3%
345/25R21 vs 305/35R21 5.8%
345/25R21 vs 305/30R21 1.5%
345/25R21 vs 295/30R21 0.6%
345/25R21 vs 285/30R21 -0.2%
345/25R21 vs P265/45R21 9.3%
345/25R21 vs HL245/35R21 -0.1%
345/25R21 vs 235/45R21 5.5%
345/25R21 vs 245/30R21 -3.6%
345/25R21 vs 235/30R21 -4.5%
345/25R21 vs 375/20R21 -3.2%
345/25R21 vs P255/45R21 8.1%
345/25R21 vs 265/30R21 -1.9%
345/25R21 vs P315/35R21 6.8%
345/25R21 vs P295/40R21 9%
345/25R21 vs P275/35R21 2.8%
345/25R21 vs P275/30R21 -1.1%
345/25R21 vs P265/35R21 1.8%
345/25R21 vs P245/45R21 6.8%
345/25R21 vs P245/35R21 -0.1%
345/25R21 vs 325/25R21 -1.4%
345/25R21 vs 305/25R21 -2.8%
345/25R21 vs 295/25R21 -3.5%
345/25R21 vs 275/25R21 -5%
345/25R21 vs 255/30R21 -2.8%
345/25R21 vs 295/40R21 9%
345/25R21 vs 295/35R21 4.8%
345/25R21 vs 285/40R21 7.8%
345/25R21 vs 265/40R21 5.6%
345/25R21 vs 245/35R21 -0.1%
345/25R21 vs 285/35R21 3.8%
345/25R21 vs 275/55R21 18.4%
345/25R21 vs 275/50R21 14.5%
345/25R21 vs 265/45R21 9.3%
345/25R21 vs 245/40R21 3.3%
345/25R21 vs 255/35R21 0.8%
345/25R21 vs 245/45R21 6.8%
345/25R21 vs 275/40R21 6.7%
345/25R21 vs 275/30R21 -1.1%
345/25R21 vs 255/40R21 4.4%
345/25R21 vs 275/35R21 2.8%
345/25R21 vs 225/45R21 4.2%
345/25R21 vs 235/50R21 8.8%
345/25R21 vs 285/45R21 11.9%
345/25R21 vs 275/45R21 10.6%
345/25R21 vs 265/35R21 1.8%
345/25R21 vs 255/50R21 11.7%
345/25R21 vs LT375/45R22 26.9%
345/25R21 vs LT305/50R22 22.4%
345/25R21 vs P265/35R22 5.4%
345/25R21 vs 275/25R22 -1.4%
345/25R21 vs LT315/45R22 19.3%
345/25R21 vs 255/40R22 8%
345/25R21 vs P305/55R22 26.7%
345/25R21 vs P305/45R22 18%
345/25R21 vs LT325/50R22 25.2%
345/25R21 vs LT325/55R22 29.7%
345/25R21 vs P295/40R22 12.6%
345/25R21 vs P275/35R22 6.4%
345/25R21 vs 255/35R22 4.4%
345/25R21 vs P295/30R22 4.2%
345/25R21 vs P285/40R22 11.4%
345/25R21 vs LT355/40R22 19.4%
345/25R21 vs P275/40R22 10.3%
345/25R21 vs 255/45R22 11.7%
345/25R21 vs LT275/50R22 18.1%
345/25R21 vs LT275/55R22 22%
345/25R21 vs 265/25R22 -2.1%
345/25R21 vs 305/50R22 22.4%
345/25R21 vs 325/45R22 20.6%
345/25R21 vs 225/30R22 -1.7%
345/25R21 vs 315/50R22 23.8%
345/25R21 vs 265/45R22 12.9%
345/25R21 vs 285/50R22 19.5%
345/25R21 vs 305/55R22 26.7%
345/25R21 vs 355/60R22 39.5%
345/25R21 vs 335/55R22 31.4%
345/25R21 vs 315/45R22 19.3%
345/25R21 vs 295/55R22 25.1%
345/25R21 vs 325/60R22 34.4%
345/25R21 vs 295/45R22 16.8%
345/25R21 vs LT305/40R22 13.7%
345/25R21 vs LT315/50R22 23.8%
345/25R21 vs 355/40R22 19.4%
345/25R21 vs LT325/45R22 20.5%
345/25R21 vs LT325/60R22 34.4%
345/25R21 vs LT335/55R22 31.3%
345/25R21 vs P265/50R22 16.7%
345/25R21 vs P305/40R22 13.7%
345/25R21 vs P315/45R22 19.3%
345/25R21 vs 375/45R22 27%
345/25R21 vs 275/55R22 22%
345/25R21 vs 295/50R22 20.9%
345/25R21 vs LT295/55R22 25.1%
345/25R21 vs 295/40R22 12.6%
345/25R21 vs 285/35R22 7.4%
345/25R21 vs 315/30R22 5.9%
345/25R21 vs 285/30R22 3.4%
345/25R21 vs 315/35R22 10.4%
345/25R21 vs 275/50R22 18.1%
345/25R21 vs 325/35R22 11.4%
345/25R21 vs 285/45R22 15.5%
345/25R21 vs 275/45R22 14.2%
345/25R21 vs 275/40R22 10.3%
345/25R21 vs 235/30R22 -0.9%
345/25R21 vs 295/35R22 8.4%
345/25R21 vs 295/30R22 4.2%
345/25R21 vs 325/40R22 16%
345/25R21 vs 305/40R22 13.7%
345/25R21 vs 325/55R22 29.8%
345/25R21 vs HL275/35R22 6.4%
345/25R21 vs HL275/45R22 14.2%
345/25R21 vs HL275/50R22 18.1%
345/25R21 vs P265/40R22 9.2%
345/25R21 vs P275/45R22 14.2%
345/25R21 vs P275/50R22 18.1%
345/25R21 vs P285/45R22 15.5%
345/25R21 vs 285/40R22 11.4%
345/25R21 vs 275/35R22 6.4%
345/25R21 vs 305/25R22 0.8%
345/25R21 vs 335/25R22 2.9%
345/25R21 vs 285/55R22 23.6%
345/25R21 vs 265/40R22 9.2%
345/25R21 vs 295/25R22 0.1%
345/25R21 vs 325/50R22 25.2%
345/25R21 vs 305/30R22 5.1%
345/25R21 vs 305/35R22 9.4%
345/25R21 vs 265/35R22 5.4%
345/25R21 vs 305/45R22 18%
345/25R21 vs 315/25R22 1.5%
345/25R21 vs 285/25R22 -0.7%
345/25R21 vs LT285/50R22 19.5%
345/25R21 vs 245/30R22 -0%
345/25R21 vs LT295/50R22 21%
345/25R21 vs 245/35R22 3.5%
345/25R21 vs LT285/55R22 23.5%
345/25R21 vs 265/50R22 16.7%
345/25R21 vs 255/30R22 0.8%
345/25R21 vs 265/30R22 1.7%
345/25R21 vs 275/30R22 2.5%
345/25R21 vs HL275/35R23 10.1%
345/25R21 vs 325/35R23 15%
345/25R21 vs 305/25R23 4.4%
345/25R21 vs 265/25R23 1.5%
345/25R21 vs 315/25R23 5.1%
345/25R21 vs 285/40R23 15%
345/25R21 vs HL315/30R23 9.5%
345/25R21 vs 295/35R23 12%
345/25R21 vs P265/25R23 1.5%
345/25R21 vs 325/30R23 10.4%
345/25R21 vs P305/40R23 17.3%
345/25R21 vs 305/35R23 13%
345/25R21 vs P285/35R23 11%
345/25R21 vs 285/35R23 11%
345/25R21 vs 275/40R23 13.9%
345/25R21 vs 305/40R23 17.3%
345/25R21 vs 295/30R23 7.8%

All listed guides, data and/or calculations are for informational purposes only. Tire-Sizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.