Tire Size 245/45r20 in inches
The tire size 245/45R20 is equivalent to 28.7×9.6R20 in inches, has a diameter of 28.7 inches (728.5mm), a section width of 9.6 inches (245mm), a wheel diameter of 20 inches (508mm), and is approved to be mounted on 7.5-9.0 inches (190.5 – 228.6mm) wide wheels. This size is commonly seen in many sedans and sport utility vehicles.
245/45r20 in inches
This Table chart enables you to simultaneously comprehend the fine measurements in both inches and millimeters.
| Feature | Inches | Metric |
|---|---|---|
| Tire Diameter | 28.7 | 728.5 |
| Section Width | 9.6 | 245 |
| Rim Height | 20 | 508 |
| Sidewall Height | 4.3 | 110.3 |
| Circumference | 90.1 | 2288.7 |
| Revolutions | 437 per km | 703 per mile |
| Rim Width Range | 7.5-9.0 | 190.5 – 228.6 |
How Tall Is A 245/45R20 Tire?
The Tire Height of the 245/45R20 tire size is 28.7 inches or approximately 728.5 millimeters. This measurement is also referred to as the overall diameter. It is calculated by adding the sidewall height, the wheel diameter, and another sidewall height. Understanding the tire height is vital as it can impact the clearance levels of the vehicle and potentially affect the ride comfort.
What Is the 245/45R20 Width In Inches?
The tread width of the 245/45R20 tire size is 9.6 inches or about 245 millimeters. This is also known as the section width, and it represents the distance between the widest parts of a tire’s outer sidewalls. This dimension plays a crucial role in defining the tire’s contact patch, affecting factors such as traction, handling, and fuel efficiency.
What Is the 245/45R20 Sidewall Height?
The 245/45R20 tire’s sidewall height is 4.3 inches or roughly 110.3 millimeters. This is computed by multiplying the section width by the aspect ratio, which in this case is 45. The resulting number signifies the height from the rim to the tread of the tire. This influences the ride quality, with taller sidewalls typically providing a more comfortable ride.
What Is the 245/45R20 Tire Circumference?
The circumference of the 245/45R20 tire size is 90.1 inches or around 2288.7 millimeters. While not commonly considered by most vehicle owners, this value can impact the vehicle’s speedometer accuracy and overall vehicle performance.
What Is the 245/45R20 Revolutions Per Mile?
For the 245/45R20 tire size, there are approximately 703 revolutions per mile or 437 revolutions per kilometer. This information is important when considering fuel efficiency and wheel rotations. The fewer revolutions, the less effort a vehicle needs to move, possibly improving fuel consumption.
What Is the 245/45R20 Rims Size?
The 245/45R20 tire size, the rim diameter is 20 inches, equivalent to 508 millimeters. The recommended rim width range is 7.5-9.0 inches or 190.5 – 228.6 millimeters. Having the correct rim size is crucial to ensure a snug fit and avoid potential issues such as reduced performance or safety concerns.
Fitment Guide
This table will guide you on which vehicles are compatible with the 245/45R20 tire size. Compatibility is essential to ensure safe and optimal performance.
| Brand Name | Model |
|---|---|
| ACURA | RDX (2006 – 2012) |
| ARCFOX | αS (2021 – 2022), αT (2020 – 2022) |
| AUDI | A6 Allroad (2019 – 2023), e-tron GT (2021 – 2023), RS e-tron GT (2021 – 2023) |
| BMW | iX3 (2020 – 2023), X3 (2017 – 2023), X4 (2018 – 2023) |
| BUICK | Envision (2014 – 2023), Envision Plus (2021 – 2023), Envision S (2020 – 2023), Envision S GS (2021 – 2023) |
| BYD | Tang (2015 – 2020) |
| CADILLAC | XT4 (2019 – 2023) |
| CHANGAN | UNI-T (2020 – 2023) |
| CHERY | eQ5 (2020 – 2022) |
| CHEVROLET | Camaro (2010 – 2015), Captiva (2006 – 2016) |
| CHRYSLER | 300 (2004 – 2023), 300C (2004 – 2021), 300C SRT-8 (2004 – 2014), Grand Voyager (2008 – 2015), Town & Country (2008 – 2010), Voyager (2008 – 2016) |
| DODGE | Challenger (2008 – 2023), Challenger SRT (2008 – 2021), Charger (2005 – 2023), Charger SRT (2007 – 2014), Grand Caravan (2011 – 2020), Journey (2008 – 2020), Magnum SRT (2006 – 2009) |
| DR | 6.0 (2022 – 2022), DR6 (2016 – 2020), F35 (2020 – 2022) |
| DS | DS 4 (2021 – 2023) |
| EXEED | VX (2021 – 2022) |
| FIAT | Freemont (2011 – 2016) |
| FORD | Equator (2021 – 2023), Equator Sport (2022 – 2023), Escape (2020 – 2023), Kuga (2019 – 2023), Mustang Mach-E (2020 – 2023), Taurus (2013 – 2019), Taurus SHO (2010 – 2019), Territory (2022 – 2023) |
| GAC FIAT | Freemont (2013 – 2015) |
| GEELY | Monjaro (2021 – 2023), Tugella (2019 – 2022), Xingyue L (2021 – 2022) |
| GENESIS | G90 (2022 – 2023) |
| GMC | Terrain (2013 – 2021) |
| HOLDEN | Equinox (2017 – 2021) |
| HONDA | CR-V (2011 – 2018) |
| HYUNDAI | Santa Fe (2015 – 2018) |
| JAGUAR | E-Pace (2017 – 2023) |
| JEEP | Cherokee (2014 – 2018), Meridian (2021 – 2023) |
| LANCIA | Thema (2011 – 2014), Voyager (2011 – 2015) |
| LAND ROVER | Discovery Sport (2014 – 2023), Range Rover Evoque (2011 – 2018) |
| LEXUS | LC (2017 – 2023), LS (2017 – 2023), NX (2014 – 2021), RX (1997 – 2009) |
| LINCOLN | Corsair (2019 – 2023), MKS (2008 – 2016) |
| MAZDA | CX-5 (2013 – 2023), CX-50 (2022 – 2023), CX-8 (2017 – 2023) |
| NIO | ET7 (2021 – 2022) |
| PONTIAC | Torrent (2005 – 2009) |
| PORSCHE | Taycan (2020 – 2023) |
| SSANGYONG | Torres (2022 – 2023) |
| TOYOTA | Mirai (2020 – 2023), RAV4 (2019 – 2023), RAV4 Prime (2020 – 2023) |
| VOLKSWAGEN | Tayron X (2020 – 2023) |
| VOLVO | V90 Cross Country (2016 – 2023), XC40 (2017 – 2024) |
| WEY | VV5 (2017 – 2021) |
| ZEEKR | X (2023 – 2023) |
Replacement Tire Size
Replacement tires have to be within 3% of the total diameter of the original tire size. Choosing the correct replacement tire size will help to maintain the proper operation of your vehicle’s speedometer, odometer, and safety systems.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 285/35R20 | 27.9″ (708 mm) | -2.7% |
| 335/30R20 | 28.0″ (710 mm) | -2.5% |
| 225/45R20 | 28.0″ (710 mm) | -2.5% |
| 155/65R20 | 28.0″ (710 mm) | -2.5% |
| 255/40R20 | 28.0″ (712 mm) | -2.2% |
| 295/35R20 | 28.1″ (714 mm) | -1.9% |
| 345/30R20 | 28.2″ (716 mm) | -1.6% |
| 265/40R20 | 28.3″ (720 mm) | -1.1% |
| 235/45R20 | 28.3″ (720 mm) | -1.1% |
| 305/35R20 | 28.4″ (722 mm) | -0.8% |
| 315/35R20 | 28.7″ (728 mm) | 0% |
| 275/40R20 | 28.7″ (728 mm) | 0% |
| 285/40R20 | 29.0″ (736 mm) | 1.1% |
| 325/35R20 | 29.0″ (736 mm) | 1.1% |
| 255/45R20 | 29.1″ (738 mm) | 1.4% |
| 145/80R20 | 29.1″ (740 mm) | 1.6% |
| 235/50R20 | 29.3″ (744 mm) | 2.2% |
| 295/40R20 | 29.3″ (744 mm) | 2.2% |
| 265/45R20 | 29.4″ (746 mm) | 2.5% |
Our Observation
The 245/45R20 tire size is versatile, fitting a range of sedans and SUVs. Its dimensions balance ride comfort, performance, and aesthetic appeal. When selecting this tire size, drivers should consider factors such as tire height, section width, and rim size to ensure optimal vehicle performance and safety.
