285/45R22 Tire Size: 32.1" Tall, a 32-Inch Tire
Straight answer
A 285/45R22 stands 32.1 inches tall and 11.2 inches wide on a 22-inch wheel, which makes it a 32-inch tire in truck-speak. NTW stocks 13 tire models in this size right now.
285/45R22 dimensions
Overall diameter
32.10"
Section width
11.22"
Sidewall height
5.05"
Wheel diameter
22"
Circumference
100.8"
Revolutions per mile
628
≈ 32.1x11.2R22 flotation. Nominal math; real tires run a few tenths off depending on brand, load range, rim width, and air pressure.
What 285/45R22 means
- 285Section width: 285 mm (11.2") wall to wall
- 45Aspect ratio: sidewall is 45% of the width, so 5.0" tall
- RRadial construction
- 22Fits a 22-inch wheel
Want the full rundown on sidewall codes, load index, and speed rating? Read how to read a tire size.
285/45R22 compared to nearby 22-inch sizes
Speedometer column assumes your truck is calibrated for 285/45R22 and reads 65 mph.
| Size | Height | vs 285/45R22 | Width change | Actual speed | Compare |
|---|---|---|---|---|---|
| 305/45R22 | 32.8" | +0.7" (+2.2%) | +0.8" | 66.4 mph | Full comparison |
| 275/50R22 | 32.8" | +0.7" (+2.3%) | -0.4" | 66.5 mph | Full comparison |
| 33x12.50R22 | 33.0" | +0.9" (+2.8%) | +1.3" | 66.8 mph | Full comparison |
| 325/50R22 | 34.8" | +2.7" (+8.4%) | +1.6" | 70.5 mph | Full comparison |
| 35x12.50R22 | 35.0" | +2.9" (+9.0%) | +1.3" | 70.9 mph | Full comparison |
Rule of thumb: inside 3% of stock diameter feels stock; past 8 to 10% and most owners budget for a re-gear. Run your exact numbers in the tire size calculator.
Trucks that come with 285/45R22
- Ram 1500 (2011–2026) · 2013–2025: Sport, R/T, Tungsten
- GMC Yukon XL (2015–2026) · 2015: Denali
- GMC Yukon (2007–2026) · 2007–2019: Denali, SLE, Denali Hybrid and others
- GMC Sierra 1500 (2007–2026) · 2012–2014: SLE, SLT, Denali
- Chevrolet Suburban (2015–2026) · 2015–2016: LS, LT, LTZ
- Chevrolet Tahoe (2007–2026) · 2013–2015: LS, LTZ, LT
- Chevrolet Silverado 1500 (2007–2026) · 2012–2018: LT, Custom, High Country
- Ford Expedition (2007–2027) · 2015–2024: Platinum, Max Platinum, King Ranch and others
Tires in stock in 285/45R22
13 models, 13 SKUs at NTW (different load ranges and sidewall styles). Refreshed daily.
| Tire | Type | Options | From |
|---|---|---|---|
| AMP Off-Road Terrain Pro AT | All Terrain | 1 | $286 |
| Bfgoodrich Trail-Terrain T/A+ | All Terrain | 1 | $324 |
| Cosmo Gripit_XT | All Terrain | 1 | $177 |
| Falken Wildpeak A/T4W | All Terrain | 1 | $429 |
| Mickey Thompson Baja Boss AT | All Terrain | 1 | $466 |
| Nitto Recon Grappler A/T | All Terrain | 1 | $443 |
| Nitto Ridge Grappler | All Terrain | 1 | $468 |
| Nitto Terra Grappler G3 | All Terrain | 1 | $414 |
| Toyo Open Country A/T III | All Terrain | 1 | $477 |
| Toyo Open Country H/T II | All Terrain | 1 | $308 |
| Toyo Open Country Q/T | All Terrain | 1 | $300 |
| Toyo Open Country R/T Trail | All Terrain | 1 | $492 |
| Toyo Proxis ST3 | Highway | 1 | $193 |
Prices per tire at NTW when last checked; confirm at checkout.
Frequently Asked Questions
How tall is a 285/45R22 tire in inches?+
A 285/45R22 is 32.10 inches tall and 11.22 inches wide, with a 5.05-inch sidewall on a 22-inch wheel. Real mounted tires vary a few tenths of an inch by brand, load range, and rim width.
Is 285/45R22 a 32-inch tire?+
Close enough that everybody calls it one. It measures 32.1 inches, so it's sold and talked about as a 32. The flotation equivalent is 32.1x11.2R22.
What does 285/45R22 mean?+
285/45R22 means a tire 285 millimeters wide with a sidewall 45% as tall as it is wide, built for a 22-inch wheel.
285/45R22 vs 305/45R22: how much bigger?+
305/45R22 is 0.7 inches taller (2.2%) and 0.8 inches wider. Going from 285/45R22 to 305/45R22, a speedometer reading 65 mph means you're actually doing 66.4.
Looking for another size? See the full truck tire size chart.