Tire Size 265/40r20 in inches

The tire size 265/40R20 is equivalent to 28.3×10.4R20 in inches, has a diameter of 28.3 inches (720 mm), a section width of 10.4 inches (265 mm), a wheel diameter of 20 inches (508 mm), and is approved to be mounted on 9.0-10.5 inches (228.6 – 266.7 mm) wide wheels.

This tire size is popular among large SUVs, luxury sedans, and sports cars for its balancing act between performance, comfort, and longevity.

265/40r20 in inches

Easily understand detailed measurements in inches and millimeters through this Table chart.

Tire Diameter28.3720
Section Width10.4265
Rim Height20508
Sidewall Height4.2106
Revolutions713 per mile442 per km
Rim Width Range9.0-10.5228.6 – 266.7

How Tall Is A 265/40R20 Tire?

The Tire Height of the 265/40R20 tire size is 28.3 inches (720 mm). This is also referred to as the tire’s overall diameter. This particular tire size offers a comfortable ride due to its adequate height which provides good absorption of road irregularities. The height also contributes to the aesthetic appeal of the vehicle.

What Is the 265/40R20 Width In Inches?

The 265/40R20 tire’s tread width is 10.4 inches (265 mm). This width is what makes contact with the road and plays a significant role in the vehicle’s traction, cornering stability, and overall handling. The wider tread enhances grip and helps distribute the vehicle’s weight across a larger surface area.

What Is the 265/40R20 Sidewall Height?

The 265/40R20 tire’s sidewall height is 4.2 inches (106 mm). The sidewall is the part of the tire that bridges the tread and the bead. A shorter sidewall like this often improves handling and stability at high speeds, as it reduces flex and lateral movement.

What Is the 265/40R20 Tire Circumference?

The circumference of the 265/40R20 tire size is approximately 89.1 inches (2261.9 mm). The tire’s circumference directly impacts the number of revolutions the tire will make per mile or kilometer, affecting the speedometer reading and fuel efficiency of the vehicle.

What Is the 265/40R20 Revolutions Per Mile?

For the 265/40R20 tire size, there are approximately 713 revolutions per mile or 442 revolutions per kilometer. This measure indicates the number of times the tire will rotate in one mile or kilometer and is important in calculating speedometer accuracy, gear ratios, and fuel consumption.

What Is the 265/40R20 Rims Size?

The 265/40R20 tire size the rim diameter is 20 inches (508 mm). The tire can be mounted on a rim width range of 9.0 to 10.5 inches (228.6 to 266.7 mm), providing versatility for different wheel styles and vehicle types.

Fitment Guide
This table will guide you on which vehicle models commonly use the 265/40R20 tire size. Some may include certain Audi, BMW, Mercedes, Porsche models and others. It’s important to always check the owner’s manual or consult a tire professional to confirm.

Brand NameModel
AUDIA8 (2010 – 2023), A8L (2022 – 2023), S8 (2012 – 2023), S8L (2021 – 2023)
DODGECharger (2011 – 2014)
HOLDENCaptiva (2011 – 2018), Captiva 7 (2011 – 2018)
HONDACR-V (2007 – 2016)
MERCEDES-BENZAMG GT 4 (2018 – 2023), EQE AMG (2022 – 2023), R-Class AMG (2006 – 2010), SL-Class AMG (2022 – 2023)
PORSCHEMacan (2019 – 2021)

Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of the original tires to prevent any adverse effects on the performance and safety of the vehicle.

Tire SizeOverall DiameterDifference

Our Observation
The 265/40R20 tire size effectively balances performance and comfort. Its larger diameter and width offer excellent traction and stability, while the moderate sidewall height adds to ride comfort.

However, replacement costs can be higher due to the tire’s common use in premium vehicles. The tire’s performance, ride quality, and durability may vary based on the brand, tread pattern, and specific tire model.

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