245/40R20 Tire Size
Understanding 245/40R20 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 245/40R20 tire size specs and dimensions, what vehicles are equipped with 245/40R20 tires and what are its replacement alternatives.
What does 245/40R20 mean?
245/40R20 is a Metric tire size that is commonly used on passenger and crossover vehicles. Let us decode each aspect of 245/40R20 tire size dimensions for better understanding.
- 245 - 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 245 millimeters.
- 40 - 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 40% 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. 245/40R20 can be mounted on rims with 20 inches in diameter.



Metric | Inches | |
---|---|---|
Tread Width | 245 mm | 9.6" |
Aspect Ratio | 40% | |
Rim Diameter | 508 mm | 20" |
Tire Diameter | 704 mm | 27.7" |
Sidewall Height | 98 mm | 3.9" |
Circumference | 2211 mm | 87" |
Revolutions | 452 per km | 728 per mile |
What is 245/40R20 in inches?
When converted to inches, 245/40R20 tire size is equivalent to 27.7x9.6R20. 27.7 inches indicate the tire diameter, 9.6 inches represent tread width, and 20 inches is the diameter of a rim the tire can be mounted on.
What vehicles use 245/40R20 tire size?
There are 52 vehicle models that use 245/40R20 as original equipment tire size. Select your vehicle model for more details.
- Aston Martin Rapide Tire Size
- BMW 535i GT Tire Size
- BMW 535i GT xDrive Tire Size
- BMW 550i GT Tire Size
- BMW 550i GT xDrive Tire Size
- BMW 640i xDrive Gran Turismo Tire Size
- BMW 740i Tire Size
- BMW 740i xDrive Tire Size
- BMW 740Ld xDrive Tire Size
- BMW 740Li Tire Size
- BMW 740Li xDrive Tire Size
- BMW 750i Tire Size
- BMW 750i xDrive Tire Size
- BMW 750Li Tire Size
- BMW 750Li xDrive Tire Size
- BMW 760i Tire Size
- BMW 760Li Tire Size
- BMW ActiveHybrid 7 Tire Size
- BMW Alpina B8 Gran Coupe Tire Size
- BMW i8 Tire Size
- BMW M760i xDrive Tire Size
- BMW M760Li xDrive Tire Size
- BMW X1 Tire Size
- BMW X3 Tire Size
- BMW X4 Tire Size
- Cadillac CT6 Tire Size
- Cadillac ELR Tire Size
- Chevrolet Camaro Tire Size
- Genesis G80 Tire Size
- Infiniti M37 Tire Size
- Infiniti M56 Tire Size
- Infiniti Q70 Tire Size
- Infiniti Q70L Tire Size
- Jaguar XJ Tire Size
- Lincoln Continental Tire Size
- Lucid Air Tire Size
- Maserati Ghibli Tire Size
- Maserati Quattroporte Tire Size
- Mercedes-Benz E450 Tire Size
- Mercedes-Benz Maybach S550 Tire Size
- Mercedes-Benz Maybach S560 Tire Size
- Mercedes-Benz Maybach S600 Tire Size
- Mercedes-Benz Maybach S650 Tire Size
- Mercedes-Benz S450 Tire Size
- Mercedes-Benz S550 Tire Size
- Mercedes-Benz S550e Tire Size
- Mercedes-Benz S560 Tire Size
- Mercedes-Benz S560e Tire Size
- Mercedes-Benz S600 Tire Size
- Polestar 2 Tire Size
- Volvo S90 Tire Size
- Volvo V60 Cross Country Tire Size
What are replacement alternatives for 245/40R20 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 245/40R20 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 |
---|---|
235/40R20 | -1.1% |
P235/45R20 | 2.2% |
P255/35R20 | -2.5% |
P245/40R20 | 0% |
255/40R20 | 1.1% |
235/45R20 | 2.2% |
255/35R20 | -2.5% |
255/35R21 | 1.1% |
255/30R21 | -2.5% |
235/35R21 | -0.9% |
245/35R21 | 0.1% |
HL245/35R21 | 0.1% |
P245/35R21 | 0.1% |
235/30R22 | -0.6% |
245/30R22 | 0.3% |
255/30R22 | 1.1% |
What wheels can 245/40R20 tire be mounted on?
245/40R20 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
245/40R20 tire size comparison chart
Tire Size | Overall Diameter Difference |
---|---|
245/40R20 vs P265/30R20 | -5.3% |
245/40R20 vs LT285/65R20 | 24.9% |
245/40R20 vs LT285/55R20 | 16.8% |
245/40R20 vs LT285/50R20 | 12.6% |
245/40R20 vs LT275/60R20 | 19% |
245/40R20 vs LT275/55R20 | 15.2% |
245/40R20 vs 335/25R20 | -4% |
245/40R20 vs 325/25R20 | -4.7% |
245/40R20 vs 305/55R20 | 19.8% |
245/40R20 vs 305/50R20 | 15.5% |
245/40R20 vs 305/25R20 | -6.2% |
245/40R20 vs 295/65R20 | 26.6% |
245/40R20 vs LT295/55R20 | 18.3% |
245/40R20 vs LT295/60R20 | 22.4% |
245/40R20 vs LT295/65R20 | 26.7% |
245/40R20 vs P245/35R20 | -3.5% |
245/40R20 vs P235/45R20 | 2.2% |
245/40R20 vs P225/40R20 | -2.3% |
245/40R20 vs P225/30R20 | -8.7% |
245/40R20 vs LT375/55R20 | 30.8% |
245/40R20 vs LT375/45R20 | 20.2% |
245/40R20 vs LT325/60R20 | 27.6% |
245/40R20 vs LT325/50R20 | 18.3% |
245/40R20 vs LT315/60R20 | 25.9% |
245/40R20 vs LT305/55R20 | 19.9% |
245/40R20 vs LT305/50R20 | 15.5% |
245/40R20 vs 295/60R20 | 22.4% |
245/40R20 vs 295/50R20 | 14.1% |
245/40R20 vs 345/30R20 | 1.6% |
245/40R20 vs 345/25R20 | -3.3% |
245/40R20 vs 335/30R20 | 0.7% |
245/40R20 vs 325/35R20 | 4.5% |
245/40R20 vs 325/30R20 | -0.1% |
245/40R20 vs 315/35R20 | 3.5% |
245/40R20 vs 315/30R20 | -1% |
245/40R20 vs 305/40R20 | 6.8% |
245/40R20 vs 295/35R20 | 1.5% |
245/40R20 vs 295/30R20 | -2.7% |
245/40R20 vs 195/50R20 | -0.1% |
245/40R20 vs P285/30R20 | -3.6% |
245/40R20 vs P285/35R20 | 0.5% |
245/40R20 vs P295/40R20 | 5.7% |
245/40R20 vs 295/25R20 | -6.9% |
245/40R20 vs 285/60R20 | 20.7% |
245/40R20 vs 285/55R20 | 16.7% |
245/40R20 vs 285/25R20 | -7.6% |
245/40R20 vs 275/65R20C | 23% |
245/40R20 vs P235/35R20 | -4.5% |
245/40R20 vs 275/25R20 | -8.3% |
245/40R20 vs 245/60R20 | 13.9% |
245/40R20 vs 235/30R20 | -7.8% |
245/40R20 vs 225/30R20 | -8.7% |
245/40R20 vs P335/25R20 | -4% |
245/40R20 vs P285/50R20 | 12.6% |
245/40R20 vs 215/30R20 | -9.5% |
245/40R20 vs 305/60R20 | 24.1% |
245/40R20 vs 375/45R20 | 20.1% |
245/40R20 vs 165/60R20 | 0.3% |
245/40R20 vs 325/75R20 | 41.4% |
245/40R20 vs 285/65R20 | 24.8% |
245/40R20 vs 295/55R20 | 18.3% |
245/40R20 vs T165/60R20 | 0.3% |
245/40R20 vs T145/80R20 | 5.1% |
245/40R20 vs P315/60R20 | 25.9% |
245/40R20 vs P315/35R20 | 3.5% |
245/40R20 vs P315/30R20 | -1% |
245/40R20 vs 145/60R20 | -3.1% |
245/40R20 vs 315/50R20 | 16.9% |
245/40R20 vs 315/60R20 | 25.9% |
245/40R20 vs 145/80R20 | 5.1% |
245/40R20 vs 145/65R20 | -1.1% |
245/40R20 vs 155/65R20 | 0.8% |
245/40R20 vs 225/45R20 | 0.9% |
245/40R20 vs 335/55R20 | 24.5% |
245/40R20 vs 355/60R20 | 32.7% |
245/40R20 vs 325/50R20 | 18.3% |
245/40R20 vs 315/70R20 | 34.8% |
245/40R20 vs 325/60R20 | 27.6% |
245/40R20 vs 375/55R20 | 30.8% |
245/40R20 vs 355/50R20 | 22.6% |
245/40R20 vs P305/55R20 | 19.8% |
245/40R20 vs P295/35R20 | 1.5% |
245/40R20 vs P305/35R20 | 2.5% |
245/40R20 vs P305/30R20 | -1.8% |
245/40R20 vs P295/45R20 | 9.9% |
245/40R20 vs P295/30R20 | -2.7% |
245/40R20 vs P295/25R20 | -6.9% |
245/40R20 vs P285/55R20 | 16.7% |
245/40R20 vs P285/40R20 | 4.5% |
245/40R20 vs P275/40R20 | 3.4% |
245/40R20 vs P275/35R20 | -0.5% |
245/40R20 vs P275/30R20 | -4.4% |
245/40R20 vs P265/40R20 | 2.3% |
245/40R20 vs T145/65R20 | -1.1% |
245/40R20 vs T155/65R20 | 0.8% |
245/40R20 vs 305/45R20 | 11.2% |
245/40R20 vs P265/60R20 | 17.3% |
245/40R20 vs P235/50R20 | 5.5% |
245/40R20 vs P225/35R20 | -5.5% |
245/40R20 vs LT355/60R20 | 32.7% |
245/40R20 vs LT335/55R20 | 24.6% |
245/40R20 vs LT325/75R20 | 41.5% |
245/40R20 vs LT315/70R20 | 34.8% |
245/40R20 vs LT315/50R20 | 16.9% |
245/40R20 vs LT305/60R20 | 24.1% |
245/40R20 vs LT265/50R20 | 9.8% |
245/40R20 vs 315/25R20 | -5.5% |
245/40R20 vs P265/35R20 | -1.5% |
245/40R20 vs P275/60R20 | 19% |
245/40R20 vs 245/45R20 | 3.5% |
245/40R20 vs 285/50R20 | 12.6% |
245/40R20 vs 235/55R20 | 8.9% |
245/40R20 vs 275/45R20 | 7.3% |
245/40R20 vs 255/40R20 | 1.1% |
245/40R20 vs 235/45R20 | 2.2% |
245/40R20 vs 235/40R20 | -1.1% |
245/40R20 vs 235/35R20 | -4.5% |
245/40R20 vs LT265/60R20 | 17.3% |
245/40R20 vs 275/40R20 | 3.4% |
245/40R20 vs 285/40R20 | 4.5% |
245/40R20 vs 225/40R20 | -2.3% |
245/40R20 vs LT275/65R20 | 23% |
245/40R20 vs LT285/60R20 | 20.7% |
245/40R20 vs 255/45R20 | 4.8% |
245/40R20 vs P245/40R20 | 0% |
245/40R20 vs 235/60R20 | 12.2% |
245/40R20 vs 245/30R20 | -7% |
245/40R20 vs 285/45R20 | 8.6% |
245/40R20 vs 285/35R20 | 0.5% |
245/40R20 vs 285/30R20 | -3.6% |
245/40R20 vs 245/50R20 | 7% |
245/40R20 vs 275/65R20 | 23% |
245/40R20 vs 275/60R20 | 19% |
245/40R20 vs 295/40R20 | 5.7% |
245/40R20 vs 255/30R20 | -6.1% |
245/40R20 vs 275/55R20 | 15.1% |
245/40R20 vs 245/35R20 | -3.5% |
245/40R20 vs 255/35R20 | -2.5% |
245/40R20 vs 275/50R20 | 11.2% |
245/40R20 vs 295/45R20 | 9.9% |
245/40R20 vs 305/30R20 | -1.8% |
245/40R20 vs 305/35R20 | 2.5% |
245/40R20 vs P245/45R20 | 3.5% |
245/40R20 vs P255/45R20 | 4.8% |
245/40R20 vs P235/55R20 | 8.9% |
245/40R20 vs 215/45R20 | -0.3% |
245/40R20 vs 255/55R20 | 12% |
245/40R20 vs 175/55R20 | -0.5% |
245/40R20 vs 265/45R20 | 6.1% |
245/40R20 vs P265/50R20 | 9.8% |
245/40R20 vs P255/55R20 | 12% |
245/40R20 vs 255/60R20 | 15.6% |
245/40R20 vs 155/60R20 | -1.4% |
245/40R20 vs P275/45R20 | 7.3% |
245/40R20 vs 265/40R20 | 2.3% |
245/40R20 vs 265/30R20 | -5.3% |
245/40R20 vs P275/55R20 | 15.1% |
245/40R20 vs 265/50R20 | 9.8% |
245/40R20 vs P255/50R20 | 8.4% |
245/40R20 vs 265/60R20 | 17.3% |
245/40R20 vs 265/35R20 | -1.5% |
245/40R20 vs P255/35R20 | -2.5% |
245/40R20 vs 275/30R20 | -4.4% |
245/40R20 vs 225/35R20 | -5.5% |
245/40R20 vs P245/60R20 | 13.9% |
245/40R20 vs 235/50R20 | 5.5% |
245/40R20 vs P245/50R20 | 7% |
245/40R20 vs 255/50R20 | 8.4% |
245/40R20 vs 265/55R20 | 13.6% |
245/40R20 vs 275/35R20 | -0.5% |
245/40R20 vs 265/35R21 | 2.1% |
245/40R20 vs 245/45R21 | 7.1% |
245/40R20 vs P275/35R21 | 3.1% |
245/40R20 vs 265/40R21 | 5.9% |
245/40R20 vs 285/35R21 | 4.1% |
245/40R20 vs 275/35R21 | 3.1% |
245/40R20 vs P265/35R21 | 2.1% |
245/40R20 vs P275/30R21 | -0.8% |
245/40R20 vs 275/30R21 | -0.8% |
245/40R20 vs 265/30R21 | -1.6% |
245/40R20 vs 255/50R21 | 12% |
245/40R20 vs 255/40R21 | 4.7% |
245/40R20 vs P295/40R21 | 9.3% |
245/40R20 vs 275/40R21 | 7% |
245/40R20 vs P245/45R21 | 7.1% |
245/40R20 vs P245/35R21 | 0.1% |
245/40R20 vs P315/35R21 | 7.1% |
245/40R20 vs 265/45R21 | 9.7% |
245/40R20 vs 275/50R21 | 14.8% |
245/40R20 vs 255/35R21 | 1.1% |
245/40R20 vs 275/55R21 | 18.8% |
245/40R20 vs 285/40R21 | 8.2% |
245/40R20 vs 335/30R21 | 4.3% |
245/40R20 vs 295/40R21 | 9.3% |
245/40R20 vs 315/30R21 | 2.6% |
245/40R20 vs 315/35R21 | 7.1% |
245/40R20 vs 355/25R21 | 1% |
245/40R20 vs 295/25R21 | -3.3% |
245/40R20 vs 235/50R21 | 9.1% |
245/40R20 vs 275/25R21 | -4.7% |
245/40R20 vs 255/30R21 | -2.5% |
245/40R20 vs 315/45R21 | 16.1% |
245/40R20 vs 225/45R21 | 4.5% |
245/40R20 vs 325/30R21 | 3.5% |
245/40R20 vs 235/30R21 | -4.2% |
245/40R20 vs 235/45R21 | 5.8% |
245/40R20 vs 325/40R21 | 12.7% |
245/40R20 vs 235/35R21 | -0.9% |
245/40R20 vs HL265/35R21 | 2.1% |
245/40R20 vs 345/25R21 | 0.3% |
245/40R20 vs 305/25R21 | -2.6% |
245/40R20 vs P265/45R21 | 9.7% |
245/40R20 vs 245/40R21 | 3.6% |
245/40R20 vs 275/45R21 | 10.9% |
245/40R20 vs 285/45R21 | 12.2% |
245/40R20 vs 285/30R21 | 0.1% |
245/40R20 vs 315/40R21 | 11.6% |
245/40R20 vs 375/20R21 | -2.9% |
245/40R20 vs 245/30R21 | -3.4% |
245/40R20 vs 245/35R21 | 0.1% |
245/40R20 vs P255/45R21 | 8.4% |
245/40R20 vs 325/25R21 | -1.1% |
245/40R20 vs 295/30R21 | 0.9% |
245/40R20 vs 305/35R21 | 6.1% |
245/40R20 vs 255/45R21 | 8.4% |
245/40R20 vs 305/30R21 | 1.8% |
245/40R20 vs 295/35R21 | 5.1% |
245/40R20 vs HL245/35R21 | 0.1% |
245/40R20 vs 335/55R22 | 31.7% |
245/40R20 vs 355/40R22 | 19.7% |
245/40R20 vs LT325/45R22 | 20.9% |
245/40R20 vs 315/45R22 | 19.7% |
245/40R20 vs LT325/60R22 | 34.8% |
245/40R20 vs LT335/55R22 | 31.7% |
245/40R20 vs 275/55R22 | 22.4% |
245/40R20 vs P265/50R22 | 17% |
245/40R20 vs 305/55R22 | 27% |
245/40R20 vs 225/30R22 | -1.4% |
245/40R20 vs 375/45R22 | 27.3% |
245/40R20 vs 275/30R22 | 2.8% |
245/40R20 vs 325/45R22 | 20.9% |
245/40R20 vs 295/50R22 | 21.3% |
245/40R20 vs 305/50R22 | 22.7% |
245/40R20 vs 265/25R22 | -1.8% |
245/40R20 vs 325/60R22 | 34.8% |
245/40R20 vs 315/50R22 | 24.1% |
245/40R20 vs 265/45R22 | 13.3% |
245/40R20 vs 255/45R22 | 12% |
245/40R20 vs P305/40R22 | 14% |
245/40R20 vs 255/40R22 | 8.4% |
245/40R20 vs 295/45R22 | 17.1% |
245/40R20 vs 355/60R22 | 39.9% |
245/40R20 vs P315/45R22 | 19.7% |
245/40R20 vs 255/35R22 | 4.7% |
245/40R20 vs 285/50R22 | 19.9% |
245/40R20 vs 295/55R22 | 25.5% |
245/40R20 vs LT315/50R22 | 24.1% |
245/40R20 vs P275/50R22 | 18.4% |
245/40R20 vs HL275/35R22 | 6.7% |
245/40R20 vs 285/25R22 | -0.4% |
245/40R20 vs 325/55R22 | 30.2% |
245/40R20 vs 285/55R22 | 23.9% |
245/40R20 vs 305/40R22 | 14% |
245/40R20 vs 295/25R22 | 0.3% |
245/40R20 vs 295/40R22 | 12.9% |
245/40R20 vs 305/25R22 | 1.1% |
245/40R20 vs 305/30R22 | 5.4% |
245/40R20 vs 305/35R22 | 9.7% |
245/40R20 vs 305/45R22 | 18.4% |
245/40R20 vs 315/25R22 | 1.8% |
245/40R20 vs 325/50R22 | 25.5% |
245/40R20 vs 285/45R22 | 15.8% |
245/40R20 vs HL275/45R22 | 14.5% |
245/40R20 vs HL275/50R22 | 18.5% |
245/40R20 vs P275/45R22 | 14.5% |
245/40R20 vs 295/30R22 | 4.5% |
245/40R20 vs 295/35R22 | 8.7% |
245/40R20 vs 315/30R22 | 6.2% |
245/40R20 vs P265/40R22 | 9.5% |
245/40R20 vs 315/35R22 | 10.7% |
245/40R20 vs 325/35R22 | 11.7% |
245/40R20 vs 325/40R22 | 16.3% |
245/40R20 vs P285/45R22 | 15.8% |
245/40R20 vs 235/30R22 | -0.6% |
245/40R20 vs 245/30R22 | 0.3% |
245/40R20 vs 245/35R22 | 3.8% |
245/40R20 vs 255/30R22 | 1.1% |
245/40R20 vs 265/30R22 | 2% |
245/40R20 vs 335/25R22 | 3.2% |
245/40R20 vs LT285/50R22 | 19.9% |
245/40R20 vs 275/35R22 | 6.7% |
245/40R20 vs P275/35R22 | 6.7% |
245/40R20 vs P275/40R22 | 10.6% |
245/40R20 vs P285/40R22 | 11.8% |
245/40R20 vs P295/30R22 | 4.5% |
245/40R20 vs P295/40R22 | 12.9% |
245/40R20 vs 265/50R22 | 17% |
245/40R20 vs P305/45R22 | 18.4% |
245/40R20 vs P305/55R22 | 27% |
245/40R20 vs 275/25R22 | -1.1% |
245/40R20 vs 265/40R22 | 9.5% |
245/40R20 vs LT275/50R22 | 18.5% |
245/40R20 vs LT275/55R22 | 22.3% |
245/40R20 vs LT305/40R22 | 14.1% |
245/40R20 vs P265/35R22 | 5.7% |
245/40R20 vs 275/40R22 | 10.6% |
245/40R20 vs LT285/55R22 | 23.9% |
245/40R20 vs LT295/50R22 | 21.3% |
245/40R20 vs 285/35R22 | 7.7% |
245/40R20 vs LT295/55R22 | 25.4% |
245/40R20 vs 285/30R22 | 3.7% |
245/40R20 vs LT305/50R22 | 22.7% |
245/40R20 vs LT315/45R22 | 19.6% |
245/40R20 vs LT325/50R22 | 25.6% |
245/40R20 vs LT325/55R22 | 30.1% |
245/40R20 vs LT355/40R22 | 19.7% |
245/40R20 vs LT375/45R22 | 27.3% |
245/40R20 vs 275/50R22 | 18.4% |
245/40R20 vs 275/45R22 | 14.5% |
245/40R20 vs 285/40R22 | 11.8% |
245/40R20 vs 265/35R22 | 5.7% |
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.