On a truck, 235/75R15 is usually an upgrade. On a trailer, it can cut capacity by 3,000 lb. The letters before the size decide which.
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The 245/65R17 vs 255/60R18 answer turns on one number stamped next to the size: the load index. Here's how to read it before you buy.
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Replace the two most worn tires, usually the fronts, and mount the new pair on the rear. But the two you keep decide if two will do.
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Front tires usually go bad first, but rotation, staggered sizing, and tire age can flip the answer. Find your case and fix it fast.
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The better tire costs less per mile you will actually drive. Real cost-per-mile math in 225/65R17, by how many miles you drive a year.
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Track tire pressure isn't a single number. Hot targets by tire type and car weight, how much pressure rises, and when to bleed.
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Swapping 275/60R20 for 275/65R20? Nearly every 275/65R20 is an LT tire, and that changes pressure, ride, and weight. The numbers.
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Swapping 225/65R17 for 235/65R17? Load index, speed rating, and AWD decide whether it's a true upgrade. Hank Feldman explains.
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Swapping 245/75R16 for 265/75R16? Wheel width and load range decide whether it works. Fit, rub, load, and speedometer, by the numbers.
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A stock CJ-7 runs 31s, but only if you know your axle track and spring height. Here's how to tell what size your Jeep can take.
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285/70R17 fits most 265/70R17 trucks, but the LT construction and wheel offset decide ride and rub. Here's the fitment math.
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35s fit a stock Gladiator Rubicon or Mojave with the right wheels and bump stops. On other trims, and with a loaded bed, they rub.
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OBS Chevy trucks use three bolt patterns, not one. Match C or K, 1500 or 2500, hub bore and lug thread before you buy wheels.
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On a stock Ranger, 265/70R17 is the clean max on both generations. Here's where 32s and 33s rub and why wheel offset moves the line.
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Fox body Mustang wheels come down to more than 4x108 vs 5x114.3. Hub bore, track width and brake size decide what actually fits your car.
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N-rated Porsche tires carry a model letter and a generation number. Here is when the code matters, when it doesn't, and how to match it.
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No. The new Charger Daytona moved from 5x115 to 5x127 with near-+50mm offset. Here's which wheels bolt on and which never will.
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What wheels and tires fit a 1968-74 Nova, with the backspacing numbers and the rear-spring detail that decides if a 275 clears.
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Will 33s fit a stock Chevy Colorado? It depends on generation and trim. Here is which ones take a 33, which cannot, and what changes.
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Stock-body 1967-69 Camaro tire sizes from 14 to 18 inches, the backspacing that decides them, and the brakes that set the floor.
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Ram 1500 tire size by trim, 2019 to 2026, with the load index each size carries and why a Ram 1500 Classic takes different tires.
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Every 2025 Sierra 1500 trim's tire size, plus the load index, speed rating, and construction that change more than the height does.
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Same bolt pattern and hub, yes. Your S650's brake package and TPMS frequency decide whether S550 wheels bolt on or scrape.
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Yes on a 4x4 F-250. Wheel offset, truck generation, and the load index of the 35 you pick decide if it rubs or runs underrated.
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Will 33s fit a stock Nissan Frontier? Your trim matters more than your model year, and most 33s are not actually 33s.
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