2006 GMC Vans Tire Fitment Guide

Three tire sizes fit 2006 GMC Vans in this Savana range: 235/75R16, 245/75R16, and 225/75R16. The Savana 1500 uses 235/75R16 or 245/75R16, the Savana 2500 uses 225/75R16 or 245/75R16, and the Savana 3500 uses 245/75R16. Every one of those sizes mounts on a 16-inch wheel, but the approved rim-width range is not the same across the sizes with published product coverage.

That means wheel diameter alone does not identify the right replacement tire for a 2006 GMC van. A Savana owner should confirm the series badge, check the existing tire sidewall, and verify the wheel before ordering. Where product specifications are available, 225/75R16 calls for a 6.0- to 7.0-inch rim and 245/75R16 calls for a 6.5- to 8.0-inch rim, so width compatibility still matters even though the wheel diameter is shared.

On a 2006 GMC Vans tire, 235/75R16 is a metric radial size. The 235 is the nominal section width in millimeters, 75 is the aspect ratio, the R means radial construction, and 16 is the wheel diameter in inches. In this model range, that size is tied to the Savana 1500 rather than used across every Savana series.

Modern metric sizing can look technical, but it is mainly a quick way to confirm section width, profile, and wheel diameter in one code. If your van carries 235/75R16 now, stay with that exact size unless you have already confirmed a wheel and fitment change with a knowledgeable GMC van specialist. On a year-make page like this one, the size code is the fastest bridge between your specific van and the right model page.

No, 2006 GMC Vans do not all use the same tire size. The Savana 1500 and Savana 2500 each appear with two possible sizes, while the Savana 3500 uses 245/75R16 only. The one size shared across the whole model range is 245/75R16, but that does not make it universal for every individual van within the 1500 and 2500 series.

This is why identifying the model matters before comparing tires. GMC used the Savana name across several duty levels, and the tire size followed that broader payload and chassis logic. If you are unsure, inspect the sidewall on the current tires and compare it with the series identification on the van itself, because that is more reliable than guessing from body style alone.

For the 2006 GMC Vans sizes that have direct product coverage here, the sidewall style is RWL, or raised white letters. That applies to both the 225/75R16 and 245/75R16 BFGoodrich all-terrain offerings. Those sidewalls give the van a more truck-oriented, utility-driven appearance than a plain blackwall would.

Appearance matters more than many buyers expect on full-size vans, especially on conversion vans, off-road-themed builds, and surviving original work vehicles. A raised white letter sidewall tends to look at home on a more rugged setup, while buyers chasing a quieter fleet-style visual may prefer to compare size-specific alternatives on the next level down. The important part is to choose the correct size first, then narrow the sidewall look that suits the van’s purpose.

BFGoodrich covers the product range shown here for 2006 GMC Vans. The 245/75R16 and 225/75R16 are both available in the BFGoodrich All-Terrain T/A KO2 line, and both are radial tires with raised white letter sidewalls. That makes BFGoodrich the brand tied directly to the covered all-terrain sizes in this group.

For a Savana owner, brand choice often follows how the van will actually be used. A KO2-style all-terrain tire makes the most sense when the van sees mixed pavement and light off-pavement duty, or when the owner wants a more aggressive truck-based look. Buyers with a 235/75R16 Savana 1500 should move to the model-specific or size-specific page next, since brand options can change once the exact fitment is narrowed.

For 2006 GMC Vans, the BFGoodrich 225/75R16 and 245/75R16 are both radial All-Terrain T/A KO2 tires with raised white letter sidewalls and S speed ratings, but their dimensions and load capacities differ. The 225/75R16 carries 2,680 pounds at 80 psi, fits a 6.0- to 7.0-inch rim, and weighs 42 pounds. The 245/75R16 carries 3,042 pounds at 80 psi, fits a 6.5- to 8.0-inch rim, and weighs 48 pounds.

That comparison matters most when you are choosing between a Savana 2500 setup that can use either size depending on configuration, or when you are checking wheel compatibility before replacing a single tire. The 245-size tire is the broader and heavier-duty option of the two, while the 225-size tire fits a narrower wheel range. Matching the van’s existing size and wheel width is more important than assuming the larger tire is automatically appropriate.

Published rim-width guidance for 2006 GMC Vans varies by tire size. The 225/75R16 BFGoodrich tire fits a 6.0- to 7.0-inch rim, while the 245/75R16 BFGoodrich tire fits a 6.5- to 8.0-inch rim. Both use a 16-inch wheel diameter, but that shared diameter does not mean the same wheel width is correct for both sizes.

Wheel width affects sidewall shape, tread profile, and how the tire sits on the van. Before replacing tires on a Savana 1500, 2500, or 3500, confirm the actual wheel width rather than relying only on the series name. That is especially useful on vans that may have had wheel changes over the years, since a used commercial or conversion van can easily carry wheels that differ from its original setup.

Original 2006 GMC Vans wheels can only be considered compatible across these sizes at the 16-inch diameter level, because every size in this group mounts on a 16-inch wheel. The remaining question is wheel width. The 225/75R16 calls for a 6.0- to 7.0-inch rim, while the 245/75R16 calls for a 6.5- to 8.0-inch rim, so there is overlap but not complete interchangeability.

That overlap means some 16-inch wheels may accept more than one of these sizes, but you should not assume every original Savana wheel is suitable for every tire in the year-make range. Owners moving between fitments should inspect the wheel stamping or measure the wheel width directly. If the van has aftermarket wheels, that check becomes even more important before making a size change.

A 2006 GMC Vans model should be stored on clean, properly inflated tires, away from direct sunlight, standing moisture, and electric motors or chargers that generate ozone. Even though these are radial tires, long static storage can still create temporary flat-spotting and accelerate sidewall aging if the van sits in one position for months. Keeping the storage surface dry and moving the van periodically helps protect the casing.

Full-size vans are heavy enough that tire care during storage matters more than it does on many lighter collector vehicles. If the van will sit for an extended season, check inflation before parking it and again before it returns to the road. Some owners also use tire cradles or stands to reduce prolonged stress on one contact patch, especially on vans carrying camper or work-conversion weight.

Tires on a 2006 GMC Vans should be judged more by age, condition, and service history than by mileage alone. A common collector-vehicle rule is to evaluate tires closely once they reach about five to seven years old and to consider replacement as they approach ten years, even if tread depth still looks acceptable. The DOT date code on the sidewall is the best starting point for that timeline.

That age-based approach is especially important on vans that spend part of the year parked, because low annual mileage can hide drying, hardening, or internal age-related deterioration. A lightly used Savana may look roadworthy at a glance while still being overdue for replacement. If there is any doubt about age, cracking, or prior service conditions, a conservative replacement decision is the smart one.

Tires on a 2006 GMC Vans should be inspected before every drive and again before any longer highway trip. Check for sidewall cracking, cuts, bulges, irregular tread wear, and pressure loss, and make sure the spare is in comparable condition if the van still carries one. On a full-size van, uneven wear can also be an early clue to alignment or suspension issues.

A quick walkaround catches problems while they are still minor. On vans used for hauling, camping, or long family trips, add a closer monthly inspection that includes tread-depth comparison across the axle and a careful look at the valve stems. That routine matters because a Savana’s size and weight can amplify the consequences of running an underinflated or aging tire at highway speed.

2006 GMC Vans tires can be suitable for highway driving when they are the correct size, in sound condition, and used within their published ratings. The covered 225/75R16 and 245/75R16 products both carry an S speed rating, which corresponds to a 112 mph ceiling. In real-world use, a Savana’s weight, age, suspension condition, alignment, and braking performance are usually more meaningful limits than the tire’s raw speed symbol.

Highway safety on a full-size GMC van comes down to matching the tire to the correct model, maintaining proper inflation, and avoiding old or damaged casings. A well-maintained Savana driven at normal interstate speeds is a different case from a heavily loaded van with neglected suspension or unevenly worn tires. Treat the speed rating as an upper bound, not a target, and judge the whole vehicle as a system.

Inflation pressure on a 2006 GMC Vans tire should follow the vehicle placard or owner’s manual first, then be checked against the tire’s own specifications. For the covered BFGoodrich products, the 225/75R16 reaches its maximum load of 2,680 pounds at 80 psi, and the 245/75R16 reaches its maximum load of 3,042 pounds at 80 psi. Those figures are maximum load-pressure ratings, not a blanket recommendation for every Savana setup.

Using the same pressure across different tire sizes or different van series can lead to poor wear, harsh ride quality, or reduced load support. A Savana 1500 used lightly will not necessarily want the same pressure strategy as a heavier-duty 2500 or 3500 in work service. Start with the van’s factory guidance, then confirm that the chosen tire is appropriate for the wheel and duty cycle.

Before a longer trip in a 2006 GMC Vans model, inspect each tire for cracking, punctures, sidewall bulges, uneven wear, and proper cold inflation pressure. Check the spare as well, since full-size vans often travel with passengers, cargo, or equipment that make a functioning spare especially important. A quick look at tread depth across the full width of the tire can also reveal alignment or load-distribution issues.

Tire inspection should be part of a broader pre-trip check on any older or heavily used van. A Savana headed out for highway miles deserves a look at brakes, shocks, steering play, and wheel-bearing condition along with the tires themselves. Taking ten minutes to review the van before departure is often the difference between a routine trip and a roadside problem that could have been caught early.