2007 GMC Trucks Sierra 1500 Classic Tires

The 2007 GMC Trucks Sierra 1500 Classic sits in the final stretch of GM’s GMT800 half-ton era, a period known for straightforward truck engineering and broad trim variety. For many owners, that means the tire decision is less about vintage restoration and more about matching the truck’s exact sub-model, wheel package, and intended use. This Sierra 1500 Classic uses radial tire fitments, with sizes ranging from 16-inch and 17-inch setups to a 20-inch option depending on configuration. Available choices here center on practical truck-focused radial options, especially BFGoodrich All-Terrain T/A KO2 products with raised white letter sidewalls. The key is confirming the truck’s exact trim and wheel diameter before selecting a tire.

Which Tire Size Is Right for The 2007 GMC Trucks Sierra 1500 Classic

Five primary tire sizes apply to the 2007 GMC Trucks Sierra 1500 Classic, and they do not all fit the same truck configuration. Sizes vary by sub-model and wheel package, with 16-inch, 17-inch, and 20-inch rim diameters represented, so the first step is confirming the exact sub-model and the actual wheel diameter on the truck. Once that is settled, the decision shifts to the right radial tire within that size and whether the available product matches the truck’s use and wheel specifications.

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265/70R17Metric radial
Fit(s): Denali, SL 4x2, SL 4x4, SLE 4x2, SLE 4x4, SLT 4x2, SLT 4x4, WT 4x2, and WT 4x4
Construction: RadialRim: 17 in

A 265/70R17 is a metric radial tire measuring 265 millimeters in nominal section width, with a 70-series aspect ratio and fitment on a 17-inch rim. On the 2007 GMC Trucks Sierra 1500 Classic, this size appears across several trim and drivetrain combinations, making it one of the more widely used 17-inch fitments. Available products in this size include BFGoodrich All-Terrain T/A KO2 tires with raised white letter sidewalls and different load-capacity versions. It is a useful size to evaluate when the truck already has the correct 17-inch wheel setup and needs a more truck-oriented all-terrain presentation.

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2
275/55R20Metric radial
Fit(s): Denali, SLE (20 Inch Option), SLT (20 Inch Option), and WT (20 Inch Option)
Construction: RadialRim: 20 in

A 275/55R20 is a metric radial size with a 275-millimeter nominal section width, a 55-series profile, and a 20-inch rim diameter. On the 2007 GMC Trucks Sierra 1500 Classic, this size is tied to specific 20-inch wheel-package applications rather than the full model range. Its lower-profile metric format gives it a different fitment context than the 16-inch and 17-inch truck sizes used elsewhere on the Sierra 1500 Classic. This size should be considered only after confirming that the truck is one of the 20-inch-option configurations and still retains the proper wheel diameter.

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3
235/75R16Metric radial
Fit(s): Hybrid 4x2
Construction: RadialRim: 16 in

A 235/75R16 is a metric radial tire with a 235-millimeter nominal section width, a 75-series profile, and fitment on a 16-inch rim. For the 2007 GMC Trucks Sierra 1500 Classic, this size is used on the Hybrid 4x2 configuration, so it is not a universal Sierra 1500 Classic fitment. Its sizing points to a narrower 16-inch setup than the truck’s larger 17-inch and 20-inch alternatives. The practical reason to focus on this size is preserving the intended wheel-and-tire relationship for the Hybrid 4x2 rather than choosing by appearance alone.

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4
245/75R16Metric radial
Fit(s): Hybrid 4x4
Construction: RadialRim: 16 in

A 245/75R16 is a metric radial size that uses a 245-millimeter nominal section width, a 75-series sidewall profile, and a 16-inch wheel. On the 2007 GMC Trucks Sierra 1500 Classic, this fitment belongs to the Hybrid 4x4, separating it from the Hybrid 4x2 and from the truck’s 17-inch and 20-inch applications. BFGoodrich All-Terrain T/A KO2 is available in this size with a raised white letter sidewall and a truck-oriented all-terrain character. It is the size to evaluate when keeping the correct 16-inch Hybrid 4x4 setup while also checking wheel width and load needs.

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5
245/70R17Metric radial
Fit(s): SL 4x2, SLE 4x2, SLT 4x2, and WT 4x2
Construction: RadialRim: 17 in

A 245/70R17 is a metric radial tire with a 245-millimeter nominal section width, a 70-series aspect ratio, and fitment on a 17-inch rim. On the 2007 GMC Trucks Sierra 1500 Classic, this size is used on certain 4x2 trim applications rather than across every Sierra sub-model. BFGoodrich All-Terrain T/A KO2 is available in this size with a raised white letter sidewall, giving owners a recognizable light-truck appearance within the correct 17-inch format. It is worth choosing when the truck’s specific trim calls for this size and the owner wants to stay with the proper wheel diameter and load-capable radial construction.

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2007 GMC Trucks Sierra 1500 Classic Sub-Model Tires

Sub-model fitment is not uniform across the 2007 GMC Trucks Sierra 1500 Classic. Tire choice depends on the exact trim, drivetrain, and whether the truck uses a standard wheel setup or a 20-inch option package, so confirming the sub-model is essential before selecting a tire.

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2007 GMC Trucks Sierra 1500 Classic Denali

The 2007 GMC Trucks Sierra 1500 Classic Denali uses either a 17-inch or 20-inch radial tire fitment, making wheel confirmation especially important before replacement. That means the buyer should verify which wheel package is actually on the truck before comparing tire choices or load-capacity variations.

Associated Tire Sizes
2

2007 GMC Trucks Sierra 1500 Classic Hybrid 4x2

The 2007 GMC Trucks Sierra 1500 Classic Hybrid 4x2 uses a single 16-inch radial tire fitment. Tire selection is more straightforward here, but it still makes sense to confirm the original wheel size and choose a tire that matches the truck’s intended use.

Associated Tire Sizes
3

2007 GMC Trucks Sierra 1500 Classic Hybrid 4x4

The 2007 GMC Trucks Sierra 1500 Classic Hybrid 4x4 uses its own 16-inch radial fitment rather than sharing the Hybrid 4x2 size. That makes it important to distinguish between the two Hybrid drivetrains before choosing a replacement tire or comparing available all-terrain options.

Associated Tire Sizes
4

2007 GMC Trucks Sierra 1500 Classic SL 4x2

The 2007 GMC Trucks Sierra 1500 Classic SL 4x2 can use more than one 17-inch radial size. Tire selection starts with confirming which of the two 17-inch fitments belongs on the truck now, especially if the wheels have ever been changed.

Associated Tire Sizes
5

2007 GMC Trucks Sierra 1500 Classic SL 4x4

The 2007 GMC Trucks Sierra 1500 Classic SL 4x4 uses a 17-inch radial fitment tied to the truck’s four-wheel-drive configuration. Choosing a tire here is mainly about staying with the proper size and then comparing the available product’s rim-width and load specifications.

Associated Tire Sizes
6

2007 GMC Trucks Sierra 1500 Classic SLE (20 Inch Option)

The 2007 GMC Trucks Sierra 1500 Classic SLE with the 20 Inch Option uses a dedicated 20-inch radial size. Replacement should begin with confirming that the truck still carries that 20-inch wheel package rather than a later change to a 16-inch or 17-inch setup.

Associated Tire Sizes
7

2007 GMC Trucks Sierra 1500 Classic SLE 4x2

The 2007 GMC Trucks Sierra 1500 Classic SLE 4x2 can use either of two 17-inch radial sizes. That makes wheel and existing tire verification especially important before replacement, since choosing between the available sizes comes before comparing specific tire products.

Associated Tire Sizes
8

2007 GMC Trucks Sierra 1500 Classic SLE 4x4

The 2007 GMC Trucks Sierra 1500 Classic SLE 4x4 uses a 17-inch radial fitment shared with several other 4x4 Sierra 1500 Classic configurations. The main decision is selecting the right tire within that size while confirming the truck still has the correct wheel setup.

Associated Tire Sizes
9

2007 GMC Trucks Sierra 1500 Classic SLT (20 Inch Option)

The 2007 GMC Trucks Sierra 1500 Classic SLT with the 20 Inch Option uses a specific 20-inch radial tire size. Buyers should verify that the truck retains its 20-inch package before choosing a replacement, since this fitment differs from the 17-inch SLT configurations.

Associated Tire Sizes
10

2007 GMC Trucks Sierra 1500 Classic SLT 4x2

The 2007 GMC Trucks Sierra 1500 Classic SLT 4x2 uses one of two 17-inch radial sizes depending on setup. That means the tire decision starts with confirming the exact wheel-and-tire combination on the truck rather than assuming every SLT 4x2 uses the same size.

Associated Tire Sizes
11

2007 GMC Trucks Sierra 1500 Classic SLT 4x4

The 2007 GMC Trucks Sierra 1500 Classic SLT 4x4 uses a 17-inch radial tire size shared with other 4x4 trims. Tire selection is simpler once that size is confirmed, at which point attention can turn to product specifications and intended driving use.

Associated Tire Sizes
12

2007 GMC Trucks Sierra 1500 Classic WT (20 Inch Option)

The 2007 GMC Trucks Sierra 1500 Classic WT with the 20 Inch Option uses a dedicated 20-inch radial fitment. The practical priority is confirming that option package and wheel diameter before moving on to replacement-tire selection.

Associated Tire Sizes
13

2007 GMC Trucks Sierra 1500 Classic WT 4x2

The 2007 GMC Trucks Sierra 1500 Classic WT 4x2 can use either of two 17-inch radial sizes. Selecting the right tire starts with identifying which existing wheel-and-tire setup the truck has, especially on working trucks that may have seen wheel changes over time.

Associated Tire Sizes
14

2007 GMC Trucks Sierra 1500 Classic WT 4x4

The 2007 GMC Trucks Sierra 1500 Classic WT 4x4 uses a 17-inch radial fitment rather than the alternate 17-inch size seen on some 4x2 versions. That keeps the decision centered on choosing the right tire within the correct size and checking wheel compatibility.

Associated Tire Sizes

Important Fitment Notes

The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:

  • Wheel modifications (wider rims, offset changes, aftermarket wheels)
  • Suspension changes (lowering, lift kits, spring replacements)
  • Body alterations (fender modifications, custom bodywork)

If your vehicle has been modified from factory specifications, verify tire clearance before purchase.

Best 2007 GMC Trucks Sierra 1500 Classic Tires for Sale

Available products for the 2007 GMC Trucks Sierra 1500 Classic focus on select 16-inch and 17-inch radial sizes from BFGoodrich. The current assortment centers on the All-Terrain T/A KO2 series with raised white letter sidewalls, with differences in load capacity, weight, and approved rim-width range depending on size.

Showing 4 of 4
Radial BFG KO2

BFG All-Terrain T/A KO2 | 265/70R17 112S

BFGoodrich - All Terrain TA KO2

SIDEWALLRWL
RIM DIAMETER17 in
RIM WIDTH7.0 - 9.0 in
WEIGHT45.7 lb
MAX LOAD2,470 lbs @ 50 psi
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Radial BFG KO2

BFG All-Terrain T/A KO2 | 265/70R17 121S

BFGoodrich - All Terrain TA KO2

SIDEWALLRWL
RIM DIAMETER17 in
RIM WIDTH7.0 - 9.0 in
WEIGHT53.5 lb
MAX LOAD3,195 lbs @ 80 psi
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Radial BFG KO2

BFG All-Terrain T/A KO2 | LT245/75R16/E

BFGoodrich - All Terrain TA KO2

SIDEWALLRWL
RIM DIAMETER16 in
RIM WIDTH6.5 - 8.0 in
WEIGHT48 lb
MAX LOAD3,042 lbs @ 80 psi
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Radial BFG KO2

BFG All-Terrain T/A KO2 | LT245/70R17/E

BFGoodrich - All Terrain TA KO2

SIDEWALLRWL
RIM DIAMETER17 in
RIM WIDTH6.5 - 8.0 in
WEIGHT47 lb
MAX LOAD3,000 lbs @ 80 psi
Buy Now

Frequently Asked Questions

Owners of a 2007 GMC Trucks Sierra 1500 Classic usually need to sort out exact tire size by trim and wheel package first. These FAQs cover fitment, rim diameter, product selection, and the checks that matter before putting the truck back on the road.

Tire Size & Fitment

What tire size fits a 2007 GMC Trucks Sierra 1500 Classic?

The 2007 GMC Trucks Sierra 1500 Classic uses five possible radial tire sizes: 235/75R16, 245/75R16, 245/70R17, 265/70R17, and 275/55R20. The correct size depends on the exact sub-model, drivetrain, and whether the truck has a standard wheel setup or a 20-inch option package.

That means the first step is identifying the truck’s specific trim and confirming the wheel diameter actually on the vehicle now. Many Sierra 1500 Classic configurations share similar names, but they do not all share the same tire size, so replacement should start with the sub-model and wheel package rather than appearance alone.

What size rim does a 2007 GMC Trucks Sierra 1500 Classic use?

A 2007 GMC Trucks Sierra 1500 Classic can use 16-inch, 17-inch, or 20-inch rims, depending on the exact configuration. The tire-size range on this truck includes 235/75R16 and 245/75R16 for 16-inch wheels, 245/70R17 and 265/70R17 for 17-inch wheels, and 275/55R20 for 20-inch applications.

Rim diameter is the most important fitment detail to confirm before buying tires, especially on trucks that may have had later wheel changes. A Sierra 1500 Classic with aftermarket wheels or a swapped factory package should be checked physically so the replacement tire matches the actual rim diameter, not just the trim name.

Why does the 2007 GMC Trucks Sierra 1500 Classic have more than one tire size?

The 2007 GMC Trucks Sierra 1500 Classic has more than one tire size because fitment changes across sub-models, drivetrains, and wheel-package options. Hybrid models use dedicated 16-inch sizes, several SL, SLE, SLT, and WT versions use 17-inch sizes, and certain Denali, SLE, SLT, and WT configurations use a 20-inch option.

That variation is normal for a full-size truck offered in many trims. The practical takeaway is that the right tire cannot be chosen by model name alone; the exact sub-model and wheel setup need to be confirmed first so the truck gets the proper size, rim match, and overall fitment.

Choosing the Right Tire

What should I consider when choosing a tire for a 2007 GMC Trucks Sierra 1500 Classic?

Start with the correct tire size for the truck’s exact sub-model and wheel diameter, since the 2007 GMC Trucks Sierra 1500 Classic uses multiple 16-inch, 17-inch, and 20-inch fitments. After size is confirmed, compare radial construction details such as rim-width compatibility, load capacity, and whether the tire suits the truck’s intended work or general road use.

Available products here lean toward truck-focused all-terrain choices, so selection should reflect how the Sierra is actually driven. A lightly used truck and a truck that carries heavier loads may call for different specification priorities even within the same size, making wheel width and load figures worth comparing carefully.

What sidewall styles are available for 2007 GMC Trucks Sierra 1500 Classic tires?

The available products for this 2007 GMC Trucks Sierra 1500 Classic assortment use RWL sidewalls, which means raised white letter styling. That sidewall treatment appears on the BFGoodrich All-Terrain T/A KO2 options offered in the applicable 16-inch and 17-inch sizes shown here.

Sidewall style affects the truck’s presentation as much as the tread design does. Raised white letters give the Sierra a more traditional light-truck look, but the buyer still needs to match the correct size and wheel specifications first, because sidewall appearance does not override the truck’s actual fitment requirements.

What brands offer tires for the 2007 GMC Trucks Sierra 1500 Classic?

The currently available products for the supported Sierra 1500 Classic sizes shown here come from BFGoodrich. Those tires appear in the All-Terrain T/A KO2 series for 245/75R16, 245/70R17, and 265/70R17 applications, with raised white letter sidewalls and size-specific load and rim-width specifications.

Brand choice matters less than confirming the exact tire size and wheel setup first, especially on a truck with several possible fitments. Once the right size is established, comparing the available BFGoodrich options by load capacity, weight, and approved rim-width range gives a much clearer picture of which version best matches the truck’s needs.

Restoration & Appearance

Which tire should I choose for a period-style 2007 GMC Trucks Sierra 1500 Classic?

A period-style choice for a 2007 GMC Trucks Sierra 1500 Classic starts with the exact size and wheel diameter used by that sub-model, since this truck came in several fitment combinations. Keeping the proper 16-inch, 17-inch, or 20-inch format does more for the truck’s overall stance and appearance than choosing an aggressive tire style first.

For trucks covered by the current product assortment, BFGoodrich All-Terrain T/A KO2 tires with raised white letter sidewalls create a traditional light-truck presentation. Owners pursuing a more exact appearance should also compare the truck’s existing wheel package and any original vehicle documentation before treating a particular tire style as the final visual reference.

How does tire construction affect the appearance of a restored 2007 GMC Trucks Sierra 1500 Classic?

Tire construction is less of a visual dividing line on a 2007 GMC Trucks Sierra 1500 Classic than it would be on an older collector vehicle, because this truck uses radial fitments throughout. The bigger appearance differences usually come from overall size, wheel diameter, sidewall profile, and treatments such as raised white letters.

That makes correct fitment especially important on a restored or carefully kept truck. A 16-inch Hybrid setup, a 17-inch standard truck setup, and a 20-inch option package each create a distinctly different look, so preserving the intended wheel-and-tire combination matters more than simply choosing any radial tire that seems close.

Fitment, Maintenance & Road Use

Can modifications affect tire fitment on a 2007 GMC Trucks Sierra 1500 Classic?

Yes, modifications can affect tire fitment on a 2007 GMC Trucks Sierra 1500 Classic. Aftermarket wheels, suspension height changes, leveling kits, and body or fender alterations can all change the relationship between the tire, the wheel, and the available clearance, even when the truck originally used one of the correct factory size formats.

That is why the wheel diameter and actual wheel width on the truck should be checked before replacement. Steering clearance, suspension travel, and room at the fender edges also matter, particularly if the truck no longer sits at stock height or no longer uses the original wheel package.

What should I inspect before driving a 2007 GMC Trucks Sierra 1500 Classic on new tires?

Before driving a 2007 GMC Trucks Sierra 1500 Classic on new tires, inspect the wheels for the correct diameter and width, confirm that lug hardware is in proper condition, and make sure the tires are inflated appropriately for their application. It also helps to look over the suspension and steering components for obvious wear that could affect tire behavior.

A short clearance check is worthwhile before regular use, especially if the truck has replacement wheels or altered ride height. Turning lock to lock, checking fender room, and confirming there is no rubbing under normal movement can prevent fitment surprises that are not always obvious when the truck is standing still.

How often should tires on a 2007 GMC Trucks Sierra 1500 Classic be inspected?

Tires on a 2007 GMC Trucks Sierra 1500 Classic should be inspected regularly, with a visual check before routine driving and a closer inspection before longer trips or heavier use. Pay attention to air loss, uneven tread wear, cuts, cracking, bulges, and any signs that the tire is contacting suspension, steering, or body components.

Inspection matters even more on a truck that is driven infrequently, because age and storage conditions can affect tires long before the tread is worn out. Pressure checks, periodic rotation when appropriate, and keeping the truck away from prolonged sunlight and ozone sources all help protect tire condition between drives.