255/45R20 Tire Size
Understanding 255/45R20 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 255/45R20 tire size specs and dimensions, what vehicles are equipped with 255/45R20 tires and what are its replacement alternatives.
What does 255/45R20 mean?
255/45R20 is a Metric tire size that is commonly used on passenger and crossover vehicles. Let us decode each aspect of 255/45R20 tire size dimensions for better understanding.
- 255 - 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 255 millimeters.
- 45 - 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 45% of its tread width.
- R - this letter denotes that tire has radial construction.
- 20 - the last number indicates the wheel diameter in inches that the tire is designed to fit. 255/45R20 can be mounted on rims with 20 inches in diameter.



Metric | Inches | |
---|---|---|
Tread Width | 255 mm | 10" |
Aspect Ratio | 45% | |
Rim Diameter | 508 mm | 20" |
Tire Diameter | 737.6 mm | 29" |
Sidewall Height | 114.8 mm | 4.5" |
Circumference | 2316 mm | 91.1" |
Revolutions | 432 per km | 695 per mile |
What is 255/45R20 in inches?
When converted to inches, 255/45R20 tire size is equivalent to 29x10R20. 29 inches indicate the tire diameter, 10 inches represent tread width, and 20 inches is the diameter of a rim the tire can be mounted on.
What vehicles use 255/45R20 tire size?
There are 41 vehicle models that use 255/45R20 as original equipment tire size. Select your vehicle model for more details.
- Acura RDX Tire Size
- Alfa Romeo Stelvio Tire Size
- Audi Q4 e-tron Tire Size
- Audi Q4 e-tron Sportback Tire Size
- Audi Q5 Tire Size
- Audi Q5 PHEV Tire Size
- Audi Q5 Sportback Tire Size
- Audi SQ5 Tire Size
- Audi SQ5 Sportback Tire Size
- BMW 740i Tire Size
- BMW 760i xDrive Tire Size
- BMW i7 Tire Size
- BMW X3 Tire Size
- BMW X4 Tire Size
- Chrysler 300 Tire Size
- Dodge Challenger Tire Size
- Dodge Charger Tire Size
- Dodge Magnum Tire Size
- Ford Flex Tire Size
- Genesis GV60 Tire Size
- Hyundai Ioniq 5 Tire Size
- Hyundai Santa Fe Tire Size
- Jeep Grand Cherokee Tire Size
- Kia EV6 Tire Size
- Kia Sorento Tire Size
- Lincoln MKT Tire Size
- Maserati Grecale Tire Size
- Mercedes-Benz EQS 450 Tire Size
- Mercedes-Benz EQS 450+ Tire Size
- Mercedes-Benz EQS 580 Tire Size
- Mercedes-Benz GLC300 Tire Size
- Mercedes-Benz GLC350e Tire Size
- Mercedes-Benz GLC43 AMG Tire Size
- Nissan Ariya Tire Size
- Rolls-Royce Dawn Tire Size
- Rolls-Royce Ghost Tire Size
- Rolls-Royce Wraith Tire Size
- Tesla Model X Tire Size
- Volkswagen ID.4 Tire Size
- Volvo XC60 Tire Size
- Volvo XC90 Tire Size
What are replacement alternatives for 255/45R20 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 255/45R20 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 |
---|---|
P265/40R20 | -2.4% |
P255/45R20 | 0% |
P245/50R20 | 2.1% |
P245/45R20 | -1.2% |
265/45R20 | 1.2% |
265/40R20 | -2.4% |
245/45R20 | -1.2% |
245/50R20 | 2.1% |
P265/35R21 | -2.5% |
P245/45R21 | 2.2% |
HL265/35R21 | -2.5% |
265/35R21 | -2.5% |
245/45R21 | 2.2% |
265/40R21 | 1.1% |
255/40R21 | -0% |
245/40R21 | -1.1% |
255/35R22 | -0% |
245/35R22 | -1% |
265/30R22 | -2.7% |
265/35R22 | 0.9% |
P265/35R22 | 0.9% |
What wheels can 255/45R20 tire be mounted on?
255/45R20 tires are generally approved to be mounted on 8" to 9.5" wide wheels. The follwing wheel sizes can be used:
- 20x8
- 20x8.5
- 20x9
- 20x9.5
255/45R20 tire size comparison chart
Tire Size | Overall Diameter Difference |
---|---|
255/45R20 vs P265/30R20 | -9.6% |
255/45R20 vs LT285/65R20 | 19.2% |
255/45R20 vs LT285/55R20 | 11.4% |
255/45R20 vs LT285/50R20 | 7.5% |
255/45R20 vs LT275/60R20 | 13.6% |
255/45R20 vs LT275/55R20 | 10% |
255/45R20 vs 335/25R20 | -8.4% |
255/45R20 vs 325/25R20 | -9.1% |
255/45R20 vs 305/55R20 | 14.4% |
255/45R20 vs 305/50R20 | 10.2% |
255/45R20 vs 305/25R20 | -10.4% |
255/45R20 vs 295/65R20 | 20.9% |
255/45R20 vs LT295/55R20 | 12.9% |
255/45R20 vs LT295/60R20 | 16.9% |
255/45R20 vs LT295/65R20 | 20.9% |
255/45R20 vs P245/35R20 | -7.9% |
255/45R20 vs P235/45R20 | -2.4% |
255/45R20 vs P225/40R20 | -6.7% |
255/45R20 vs P225/30R20 | -12.8% |
255/45R20 vs LT375/55R20 | 24.9% |
255/45R20 vs LT375/45R20 | 14.7% |
255/45R20 vs LT325/60R20 | 21.7% |
255/45R20 vs LT325/50R20 | 12.9% |
255/45R20 vs LT315/60R20 | 20.1% |
255/45R20 vs LT305/55R20 | 14.4% |
255/45R20 vs LT305/50R20 | 10.2% |
255/45R20 vs 295/60R20 | 16.9% |
255/45R20 vs 295/50R20 | 8.9% |
255/45R20 vs 345/30R20 | -3.1% |
255/45R20 vs 345/25R20 | -7.7% |
255/45R20 vs 335/30R20 | -3.9% |
255/45R20 vs 325/35R20 | -0.3% |
255/45R20 vs 325/30R20 | -4.7% |
255/45R20 vs 315/35R20 | -1.2% |
255/45R20 vs 315/30R20 | -5.5% |
255/45R20 vs 305/40R20 | 2% |
255/45R20 vs 295/35R20 | -3.1% |
255/45R20 vs 295/30R20 | -7.1% |
255/45R20 vs 195/50R20 | -4.7% |
255/45R20 vs P285/30R20 | -7.9% |
255/45R20 vs P285/35R20 | -4.1% |
255/45R20 vs P295/40R20 | 0.9% |
255/45R20 vs 295/25R20 | -11.1% |
255/45R20 vs 285/60R20 | 15.2% |
255/45R20 vs 285/55R20 | 11.4% |
255/45R20 vs 285/25R20 | -11.8% |
255/45R20 vs 275/65R20C | 17.4% |
255/45R20 vs P235/35R20 | -8.8% |
255/45R20 vs 275/25R20 | -12.5% |
255/45R20 vs 245/60R20 | 8.7% |
255/45R20 vs 235/30R20 | -12% |
255/45R20 vs 225/30R20 | -12.8% |
255/45R20 vs P335/25R20 | -8.4% |
255/45R20 vs P285/50R20 | 7.5% |
255/45R20 vs 215/30R20 | -13.6% |
255/45R20 vs 305/60R20 | 18.5% |
255/45R20 vs 375/45R20 | 14.6% |
255/45R20 vs 165/60R20 | -4.3% |
255/45R20 vs 325/75R20 | 35% |
255/45R20 vs 285/65R20 | 19.1% |
255/45R20 vs 295/55R20 | 12.9% |
255/45R20 vs T165/60R20 | -4.3% |
255/45R20 vs T145/80R20 | 0.3% |
255/45R20 vs P315/60R20 | 20.1% |
255/45R20 vs P315/35R20 | -1.2% |
255/45R20 vs P315/30R20 | -5.5% |
255/45R20 vs 145/60R20 | -7.5% |
255/45R20 vs 315/50R20 | 11.6% |
255/45R20 vs 315/60R20 | 20.1% |
255/45R20 vs 145/80R20 | 0.3% |
255/45R20 vs 145/65R20 | -5.6% |
255/45R20 vs 155/65R20 | -3.8% |
255/45R20 vs 225/45R20 | -3.7% |
255/45R20 vs 335/55R20 | 18.8% |
255/45R20 vs 355/60R20 | 26.6% |
255/45R20 vs 325/50R20 | 12.9% |
255/45R20 vs 315/70R20 | 28.7% |
255/45R20 vs 325/60R20 | 21.7% |
255/45R20 vs 375/55R20 | 24.8% |
255/45R20 vs 355/50R20 | 17% |
255/45R20 vs P305/55R20 | 14.4% |
255/45R20 vs P295/35R20 | -3.1% |
255/45R20 vs P305/35R20 | -2.2% |
255/45R20 vs P305/30R20 | -6.3% |
255/45R20 vs P295/45R20 | 4.9% |
255/45R20 vs P295/30R20 | -7.1% |
255/45R20 vs P295/25R20 | -11.1% |
255/45R20 vs P285/55R20 | 11.4% |
255/45R20 vs P285/40R20 | -0.2% |
255/45R20 vs P275/40R20 | -1.3% |
255/45R20 vs P275/35R20 | -5% |
255/45R20 vs P275/30R20 | -8.8% |
255/45R20 vs P265/40R20 | -2.4% |
255/45R20 vs T145/65R20 | -5.6% |
255/45R20 vs T155/65R20 | -3.8% |
255/45R20 vs 305/45R20 | 6.1% |
255/45R20 vs P265/60R20 | 12% |
255/45R20 vs P235/50R20 | 0.7% |
255/45R20 vs P225/35R20 | -9.8% |
255/45R20 vs LT355/60R20 | 26.6% |
255/45R20 vs LT335/55R20 | 18.9% |
255/45R20 vs LT325/75R20 | 35% |
255/45R20 vs LT315/70R20 | 28.7% |
255/45R20 vs LT315/50R20 | 11.6% |
255/45R20 vs LT305/60R20 | 18.5% |
255/45R20 vs LT265/50R20 | 4.8% |
255/45R20 vs 315/25R20 | -9.8% |
255/45R20 vs P265/35R20 | -6% |
255/45R20 vs P275/60R20 | 13.6% |
255/45R20 vs 285/40R20 | -0.2% |
255/45R20 vs 245/30R20 | -11.2% |
255/45R20 vs 235/60R20 | 7.1% |
255/45R20 vs 285/50R20 | 7.5% |
255/45R20 vs 235/55R20 | 3.9% |
255/45R20 vs 275/45R20 | 2.4% |
255/45R20 vs 235/45R20 | -2.4% |
255/45R20 vs 235/40R20 | -5.6% |
255/45R20 vs 235/35R20 | -8.8% |
255/45R20 vs LT265/60R20 | 12% |
255/45R20 vs 255/40R20 | -3.5% |
255/45R20 vs 275/40R20 | -1.3% |
255/45R20 vs 235/50R20 | 0.7% |
255/45R20 vs 225/40R20 | -6.7% |
255/45R20 vs LT275/65R20 | 17.4% |
255/45R20 vs LT285/60R20 | 15.2% |
255/45R20 vs 305/35R20 | -2.2% |
255/45R20 vs 305/30R20 | -6.3% |
255/45R20 vs 245/40R20 | -4.6% |
255/45R20 vs 285/45R20 | 3.7% |
255/45R20 vs 245/45R20 | -1.2% |
255/45R20 vs 285/35R20 | -4.1% |
255/45R20 vs 285/30R20 | -7.9% |
255/45R20 vs 275/65R20 | 17.4% |
255/45R20 vs 275/60R20 | 13.6% |
255/45R20 vs 295/40R20 | 0.9% |
255/45R20 vs 245/50R20 | 2.1% |
255/45R20 vs 275/55R20 | 9.9% |
255/45R20 vs 245/35R20 | -7.9% |
255/45R20 vs 255/30R20 | -10.4% |
255/45R20 vs 255/35R20 | -6.9% |
255/45R20 vs 275/50R20 | 6.2% |
255/45R20 vs 295/45R20 | 4.9% |
255/45R20 vs P245/40R20 | -4.6% |
255/45R20 vs P245/45R20 | -1.2% |
255/45R20 vs P255/45R20 | 0% |
255/45R20 vs P255/55R20 | 6.9% |
255/45R20 vs 265/50R20 | 4.8% |
255/45R20 vs P235/55R20 | 3.9% |
255/45R20 vs 215/45R20 | -4.9% |
255/45R20 vs 265/40R20 | -2.4% |
255/45R20 vs 175/55R20 | -5% |
255/45R20 vs 255/55R20 | 6.9% |
255/45R20 vs P265/50R20 | 4.8% |
255/45R20 vs 265/45R20 | 1.2% |
255/45R20 vs 155/60R20 | -5.9% |
255/45R20 vs P275/45R20 | 2.4% |
255/45R20 vs 255/60R20 | 10.4% |
255/45R20 vs 265/30R20 | -9.6% |
255/45R20 vs 265/35R20 | -6% |
255/45R20 vs P275/55R20 | 9.9% |
255/45R20 vs 255/50R20 | 3.4% |
255/45R20 vs P255/50R20 | 3.4% |
255/45R20 vs P245/50R20 | 2.1% |
255/45R20 vs 275/35R20 | -5% |
255/45R20 vs P245/60R20 | 8.7% |
255/45R20 vs 265/60R20 | 12% |
255/45R20 vs P255/35R20 | -6.9% |
255/45R20 vs 275/30R20 | -8.8% |
255/45R20 vs 225/35R20 | -9.8% |
255/45R20 vs 265/55R20 | 8.4% |
255/45R20 vs 255/35R21 | -3.5% |
255/45R20 vs 265/35R21 | -2.5% |
255/45R20 vs 245/45R21 | 2.2% |
255/45R20 vs 265/40R21 | 1.1% |
255/45R20 vs P245/35R21 | -4.4% |
255/45R20 vs 285/35R21 | -0.6% |
255/45R20 vs P275/30R21 | -5.3% |
255/45R20 vs 275/35R21 | -1.6% |
255/45R20 vs 245/40R21 | -1.1% |
255/45R20 vs P275/35R21 | -1.6% |
255/45R20 vs 255/40R21 | -0% |
255/45R20 vs 275/55R21 | 13.3% |
255/45R20 vs 255/50R21 | 6.9% |
255/45R20 vs P265/35R21 | -2.5% |
255/45R20 vs 275/30R21 | -5.3% |
255/45R20 vs 275/50R21 | 9.6% |
255/45R20 vs P315/35R21 | 2.2% |
255/45R20 vs 265/45R21 | 4.7% |
255/45R20 vs 275/40R21 | 2.1% |
255/45R20 vs P295/40R21 | 4.3% |
255/45R20 vs 265/30R21 | -6.1% |
255/45R20 vs P245/45R21 | 2.2% |
255/45R20 vs 325/40R21 | 7.6% |
255/45R20 vs P265/45R21 | 4.7% |
255/45R20 vs 315/30R21 | -2.1% |
255/45R20 vs 295/25R21 | -7.7% |
255/45R20 vs HL245/35R21 | -4.4% |
255/45R20 vs 275/25R21 | -9% |
255/45R20 vs 255/30R21 | -6.9% |
255/45R20 vs 315/35R21 | 2.2% |
255/45R20 vs 225/45R21 | -0.2% |
255/45R20 vs 245/30R21 | -7.8% |
255/45R20 vs 315/45R21 | 10.8% |
255/45R20 vs 235/35R21 | -5.4% |
255/45R20 vs 315/40R21 | 6.5% |
255/45R20 vs 325/30R21 | -1.2% |
255/45R20 vs HL265/35R21 | -2.5% |
255/45R20 vs 355/25R21 | -3.6% |
255/45R20 vs 345/25R21 | -4.3% |
255/45R20 vs 335/30R21 | -0.4% |
255/45R20 vs 295/40R21 | 4.3% |
255/45R20 vs 305/25R21 | -7% |
255/45R20 vs 305/35R21 | 1.3% |
255/45R20 vs 285/40R21 | 3.2% |
255/45R20 vs 275/45R21 | 5.9% |
255/45R20 vs 285/45R21 | 7.1% |
255/45R20 vs 235/30R21 | -8.6% |
255/45R20 vs 285/30R21 | -4.5% |
255/45R20 vs 235/45R21 | 1% |
255/45R20 vs 245/35R21 | -4.4% |
255/45R20 vs P255/45R21 | 3.4% |
255/45R20 vs 375/20R21 | -7.3% |
255/45R20 vs 305/30R21 | -2.9% |
255/45R20 vs 235/50R21 | 4.2% |
255/45R20 vs 325/25R21 | -5.6% |
255/45R20 vs 295/35R21 | 0.3% |
255/45R20 vs 255/45R21 | 3.4% |
255/45R20 vs 295/30R21 | -3.7% |
255/45R20 vs LT325/60R22 | 28.7% |
255/45R20 vs LT335/55R22 | 25.7% |
255/45R20 vs LT325/45R22 | 15.4% |
255/45R20 vs 315/45R22 | 14.2% |
255/45R20 vs 355/40R22 | 14.3% |
255/45R20 vs 255/35R22 | -0% |
255/45R20 vs 275/55R22 | 16.8% |
255/45R20 vs P265/50R22 | 11.7% |
255/45R20 vs 335/55R22 | 25.7% |
255/45R20 vs 225/30R22 | -5.9% |
255/45R20 vs 375/45R22 | 21.5% |
255/45R20 vs 275/30R22 | -1.9% |
255/45R20 vs 325/45R22 | 15.4% |
255/45R20 vs 295/50R22 | 15.8% |
255/45R20 vs 305/50R22 | 17.1% |
255/45R20 vs 265/25R22 | -6.3% |
255/45R20 vs 325/60R22 | 28.6% |
255/45R20 vs 315/50R22 | 18.5% |
255/45R20 vs 265/45R22 | 8.1% |
255/45R20 vs 255/45R22 | 6.9% |
255/45R20 vs 255/40R22 | 3.4% |
255/45R20 vs P305/40R22 | 8.8% |
255/45R20 vs 295/45R22 | 11.8% |
255/45R20 vs 355/60R22 | 33.5% |
255/45R20 vs P315/45R22 | 14.2% |
255/45R20 vs 305/55R22 | 21.3% |
255/45R20 vs 285/50R22 | 14.4% |
255/45R20 vs 295/55R22 | 19.8% |
255/45R20 vs LT315/50R22 | 18.5% |
255/45R20 vs P275/50R22 | 13% |
255/45R20 vs HL275/35R22 | 1.8% |
255/45R20 vs 285/25R22 | -4.9% |
255/45R20 vs 325/55R22 | 24.2% |
255/45R20 vs 285/55R22 | 18.3% |
255/45R20 vs 305/40R22 | 8.8% |
255/45R20 vs 295/25R22 | -4.2% |
255/45R20 vs 295/40R22 | 7.8% |
255/45R20 vs 305/25R22 | -3.6% |
255/45R20 vs 305/30R22 | 0.6% |
255/45R20 vs 305/35R22 | 4.7% |
255/45R20 vs 305/45R22 | 13% |
255/45R20 vs 315/25R22 | -2.9% |
255/45R20 vs 325/50R22 | 19.8% |
255/45R20 vs 285/45R22 | 10.5% |
255/45R20 vs HL275/45R22 | 9.3% |
255/45R20 vs HL275/50R22 | 13.1% |
255/45R20 vs P275/45R22 | 9.3% |
255/45R20 vs 295/30R22 | -0.2% |
255/45R20 vs 295/35R22 | 3.8% |
255/45R20 vs 315/30R22 | 1.4% |
255/45R20 vs P265/40R22 | 4.5% |
255/45R20 vs 315/35R22 | 5.7% |
255/45R20 vs 325/35R22 | 6.6% |
255/45R20 vs 325/40R22 | 11% |
255/45R20 vs P285/45R22 | 10.5% |
255/45R20 vs 235/30R22 | -5.1% |
255/45R20 vs 245/30R22 | -4.3% |
255/45R20 vs 245/35R22 | -1% |
255/45R20 vs 255/30R22 | -3.5% |
255/45R20 vs 265/30R22 | -2.7% |
255/45R20 vs 335/25R22 | -1.5% |
255/45R20 vs LT285/50R22 | 14.4% |
255/45R20 vs 275/35R22 | 1.9% |
255/45R20 vs P275/35R22 | 1.9% |
255/45R20 vs P275/40R22 | 5.6% |
255/45R20 vs P285/40R22 | 6.7% |
255/45R20 vs P295/30R22 | -0.2% |
255/45R20 vs P295/40R22 | 7.8% |
255/45R20 vs 265/50R22 | 11.7% |
255/45R20 vs P305/45R22 | 13% |
255/45R20 vs P305/55R22 | 21.3% |
255/45R20 vs 275/25R22 | -5.6% |
255/45R20 vs 265/40R22 | 4.5% |
255/45R20 vs LT275/50R22 | 13.1% |
255/45R20 vs LT275/55R22 | 16.7% |
255/45R20 vs LT305/40R22 | 8.9% |
255/45R20 vs P265/35R22 | 0.9% |
255/45R20 vs 275/40R22 | 5.6% |
255/45R20 vs LT285/55R22 | 18.2% |
255/45R20 vs LT295/50R22 | 15.8% |
255/45R20 vs 285/35R22 | 2.8% |
255/45R20 vs LT295/55R22 | 19.7% |
255/45R20 vs 285/30R22 | -1.1% |
255/45R20 vs LT305/50R22 | 17.1% |
255/45R20 vs LT315/45R22 | 14.2% |
255/45R20 vs LT325/50R22 | 19.8% |
255/45R20 vs LT325/55R22 | 24.2% |
255/45R20 vs LT355/40R22 | 14.3% |
255/45R20 vs LT375/45R22 | 21.5% |
255/45R20 vs 275/50R22 | 13% |
255/45R20 vs 275/45R22 | 9.3% |
255/45R20 vs 285/40R22 | 6.7% |
255/45R20 vs 265/35R22 | 0.9% |
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.