Tire Size 285/30r20 in inches
The tire size 285/30R20 is equivalent to 26.7×11.2R20 in inches, has a diameter of 26.7 inches, a section width of 11.2 inches, a wheel diameter of 20 inches, and is approved to be mounted on 9.5-10.5 inches wide wheels. It serves as a vital component of your vehicle, influencing not only the ride comfort and handling but also the fuel efficiency and overall safety.
285/30r20 in inches
This Table chart offers a dual perspective, enabling a simultaneous grasp of detailed measurements in inches and millimeters.
| Feature | Inches | Metric |
|---|---|---|
| Tire Diameter | 26.7 | 679 |
| Section Width | 11.2 | 285 |
| Rim Height | 20 | 508 |
| Sidewall Height | 3.4 | 85.5 |
| Circumference | 84 | 2133.1 |
| Revolutions | 468 per km | 752 per mile |
| Rim Width Range | 9.5-10.5 | 241.3 – 266.7 |
How Tall Is A 285/30R20 Tire?
The Tire Height of the 285/30R20 tire size is 26.7 inches (679 millimeters). This height, often referred to as the tire’s diameter or outside diameter, is determined by the tire’s tread and sidewall dimensions and can have an impact on the vehicle’s overall ride quality and speedometer accuracy.
What Is the 285/30R20 Width In Inches?
The 285/30R20 tire’s tread width is 11.2 inches (285 millimeters). This measurement represents the distance from one side of the tire’s tread to the other. This width can directly influence the tire’s performance, including aspects like traction and grip, particularly in wet and dry conditions.
What Is the 285/30R20 Sidewall Height?
The 285/30R20 tire’s sidewall height is approximately 3.4 inches (85.5 millimeters). This value is not directly given in the tire size, but it’s calculated as a percentage (the aspect ratio) of the section width. The sidewall height can influence the tire’s handling and ride comfort.
What Is the 285/30R20 Tire Circumference?
The circumference of the 285/30R20 tire size is approximately 84 inches (2133.1 millimeters). This value is essential for calculating the tire’s revolutions per mile, affecting the vehicle’s speedometer reading and fuel efficiency.
What Is the 285/30R20 Revolutions Per Mile?
For the 285/30R20 tire size, there are approximately 752 revolutions per mile. This number can help determine the tire’s effect on the vehicle’s fuel efficiency and speedometer accuracy, among other factors.
What Is the 285/30R20 Rims Size?
The 285/30R20 tire size, the rim diameter is 20 inches (508 millimeters). This tire size can be mounted on rims with a width range of 9.5-10.5 inches (241.3 – 266.7 millimeters), providing various options for vehicle owners regarding rim style and type.
Fitment Guide
This table will guide you on which vehicle models can accept 285/30R20 tires. Always refer to your vehicle’s manufacturer specifications for exact fitment details.
| Brand Name | Model |
|---|---|
| BMW | i4 (2021 – 2023), M2 (2023 – 2023), M3 (2014 – 2024), M4 (2014 – 2023) |
| BMW ALPINA | B4 (2022 – 2023), B5 (2005 – 2023), B6 (2005 – 2015), D4 (2022 – 2023), D5 (2011 – 2023), Roadster (2002 – 2003) |
| BUGATTI | Centodieci (2022 – 2022), Chiron (2015 – 2022), Divo (2019 – 2021), W16 Mistral (2022 – 2023) |
| CADILLAC | CTS-V (2004 – 2007) |
| CHEVROLET | Camaro (2016 – 2023), Corvette (2014 – 2019) |
| DAEWOO | Veritas (2008 – 2010) |
| GENESIS | G80 (2017 – 2020) |
| JAGUAR | XF (2007 – 2023), XFL (2020 – 2023), XK (1998 – 2015) |
| LEXUS | GS (2012 – 2020), RC F (2014 – 2023) |
| LOTUS | Evora (2009 – 2021) |
| MASERATI | Quattroporte (2003 – 2012) |
| MERCEDES-BENZ | C-Class AMG (2016 – 2023), CL-Class (2002 – 2006), CL-Class AMG (2003 – 2006), CLK-Class AMG (2004 – 2006), CLS-Class (2004 – 2011), CLS-Class AMG (2006 – 2011), SL-Class (2012 – 2020), SL-Class AMG (2012 – 2019) |
| TESLA | Model 3 (2018 – 2023) |
Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of the original tires to maintain the accuracy of the vehicle’s systems, like the speedometer and the traction control.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 305/25R20 | 26.0″ (660 mm) | -2.9% |
| 255/30R20 | 26.1″ (662 mm) | -2.6% |
| 315/25R20 | 26.2″ (666 mm) | -2.1% |
| 225/35R20 | 26.2″ (666 mm) | -2.1% |
| 265/30R20 | 26.3″ (668 mm) | -1.8% |
| 325/25R20 | 26.4″ (670 mm) | -1.5% |
| 235/35R20 | 26.5″ (672 mm) | -1.2% |
| 275/30R20 | 26.5″ (674 mm) | -0.9% |
| 335/25R20 | 26.6″ (676 mm) | -0.6% |
| 245/35R20 | 26.8″ (680 mm) | 0.0% |
| 345/25R20 | 26.8″ (680 mm) | 0.0% |
| 145/60R20 | 26.9″ (682 mm) | 0.3% |
| 255/35R20 | 27.0″ (686 mm) | 0.9% |
| 295/30R20 | 27.0″ (686 mm) | 0.9% |
| 225/40R20 | 27.1″ (688 mm) | 1.2% |
| 305/30R20 | 27.2″ (692 mm) | 1.8% |
| 155/60R20 | 27.3″ (694 mm) | 2.1% |
| 265/35R20 | 27.3″ (694 mm) | 2.1% |
| 235/40R20 | 27.4″ (696 mm) | 2.4% |
| 145/65R20 | 27.4″ (696 mm) | 2.4% |
| 315/30R20 | 27.5″ (698 mm) | 2.6% |
| 175/55R20 | 27.6″ (700 mm) | 2.9% |
| 275/35R20 | 27.6″ (700 mm) | 2.9% |
Our Observation
Despite the relatively low profile, 285/30R20 tires offer a good balance of performance and comfort. They provide a broader contact patch due to their larger width, translating into better grip and handling. However, the ride quality can be a bit harsher due to the shorter sidewalls, which flex less over road imperfections.
Understanding the tire size 285/30R20 is critical for optimal vehicle performance and safety. Knowing the dimensions and specifications in inches and millimeters will allow you to make the best decisions when choosing replacements or considering different wheel sizes for your vehicle.
