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.
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.



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.