The 2008 Chevrolet Trucks Silverado 1500 LTZ sits in the full-size pickup era when comfort, trim level, and everyday usability mattered just as much as work capability. An LTZ could be equipped several different ways, so tire selection is tied closely to the exact wheel package and truck configuration rather than a single one-size-fits-all answer. This Silverado 1500 LTZ uses radial tire fitments that range across 17-inch, 18-inch, and 20-inch rim diameters, including 245/70R17, 265/70R17, 265/65R18, and 275/55R20. That makes the real decision less about vintage construction and more about confirming the correct setup, then choosing the right load, series, and road-use character for how the truck is driven.
Which Tire Size Is Right for The 2008 Chevrolet Trucks Silverado 1500 LTZ
Four primary tire sizes apply to the 2008 Chevrolet Trucks Silverado 1500 LTZ, and they do not all use the same wheel diameter. Fitment varies by sub-model and package, so the first step is confirming the exact truck configuration and whether it has 17-inch, 18-inch, or 20-inch wheels. Once that is settled, the decision becomes choosing the right radial tire within the correct size for load needs, wheel compatibility, and intended use.
275/55R20 is a metric radial size in which 275 is the nominal section width in millimeters, 55 is the aspect ratio, R identifies radial construction, and 20 is the rim diameter in inches. On the 2008 Chevrolet Trucks Silverado 1500 LTZ, this size is tied to trucks equipped with the 20-inch wheel setup rather than every LTZ configuration. It gives the truck a larger-wheel fitment profile than the 17-inch and 18-inch options. This size is the one to evaluate when the truck already carries 20-inch wheels and the goal is to stay with the correct wheel diameter and overall fitment direction.
245/70R17 is a metric radial size that uses a 245-millimeter nominal section width, a 70-series aspect ratio, and a 17-inch rim diameter. For the 2008 Chevrolet Trucks Silverado 1500 LTZ, it appears on certain 4x2 and 4x4 configurations, so it should not be treated as universal across the full LTZ range. Available product choice in this size includes a BFGoodrich All-Terrain T/A KO2 with raised white letter sidewalls and a 17-inch rim-width range of 6.5 to 8.0 inches. This is the size to confirm when the truck has the narrower 17-inch setup and the owner wants to match that specific wheel package.
Fit(s): 4x2, 4x4, w/Max Trailer Pkg., and w/Z71 Pkg.
Construction: Radial|Rim: 17 in
265/70R17 is a metric radial size with a 265-millimeter nominal section width, a 70-series profile, and fitment on a 17-inch wheel. It is one of the more broadly used LTZ sizes here, appearing on certain 4x2, 4x4, Max Trailer Package, and Z71 Package configurations, but it still depends on the truck's exact setup. Product choices in this size include BFGoodrich All-Terrain T/A KO2 tires with raised white letter sidewalls, offered in different load-capacity versions on a 7.0 to 9.0 inch rim-width range. This size deserves a closer look when the truck uses 17-inch wheels and the tire choice needs to reflect both usage and load expectations.
265/65R18 is a metric radial size in which 265 is the nominal section width in millimeters, 65 is the aspect ratio, and 18 identifies the wheel diameter in inches. On the 2008 Chevrolet Trucks Silverado 1500 LTZ, this size is associated with the Z71 Package rather than the entire model line, making configuration verification especially important. Its role sits between the 17-inch and 20-inch LTZ fitments, so the wheel itself becomes the key checkpoint before any tire purchase. This is the size to keep in mind when the truck carries the 18-inch Z71-style setup and the objective is to stay aligned with that package.
2008 Chevrolet Trucks Silverado 1500 LTZ Sub-Model Tires
Tire fitment for the 2008 Chevrolet Trucks Silverado 1500 LTZ varies by configuration, package, and wheel option rather than staying consistent across every sub-model. Checking the exact LTZ version matters because several of these trucks share a model name while using different rim diameters and different primary tire sizes.
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2008 Chevrolet Trucks Silverado 1500 LTZ (20 Inch Option)
The 20 Inch Option uses the 275/55R20 radial fitment, making wheel diameter the defining part of tire selection on this version. Buyers should stay focused on 20-inch compatibility first, then compare tires within that size based on intended road use and overall truck setup.
The LTZ 4x2 can use either a 245/70R17 or 265/70R17 radial tire, so size confirmation matters before narrowing product choices. That means checking the actual wheel and current configuration on the truck rather than assuming every 4x2 LTZ left the factory with the same 17-inch fitment.
The LTZ 4x4 also uses 17-inch radial fitments, with either 245/70R17 or 265/70R17 depending on the truck's setup. Tire selection starts with confirming which of those two sizes is already tied to the wheels, then comparing the available load and use characteristics within that size.
2008 Chevrolet Trucks Silverado 1500 LTZ w/Max Trailer Pkg.
The Max Trailer Package version uses either 265/70R17 or 275/55R20, so the wheel package has to be verified before anything else. That makes this sub-model less about choosing between similar tires and more about confirming whether the truck is on a 17-inch or 20-inch setup.
2008 Chevrolet Trucks Silverado 1500 LTZ w/Z71 Pkg.
The Z71 Package can use either 265/65R18 or 265/70R17 radial tires, which brings both package details and wheel diameter into the fitment decision. Buyers should confirm the truck's actual wheel size first, then choose a tire that suits how the Silverado is used on-road or in light off-road service.
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:
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 2008 Chevrolet Trucks Silverado 1500 LTZ Tires for Sale
Available product coverage centers on the 17-inch LTZ sizes, with BFGoodrich All-Terrain T/A KO2 options in 245/70R17 and 265/70R17. Within those sizes, the main comparison points are raised white letter sidewalls, rim-width compatibility, and differing load-capacity versions.
Owners of a 2008 Chevrolet Trucks Silverado 1500 LTZ usually need to sort out exact tire size, wheel diameter, and package-specific fitment before comparing products. These FAQs focus on size identification, 17-inch tire choices, appearance details, and the checks that matter before regular road use.
Tire Size & Fitment
What tire size fits a 2008 Chevrolet Trucks Silverado 1500 LTZ?
The 2008 Chevrolet Trucks Silverado 1500 LTZ uses four primary tire sizes: 245/70R17, 265/70R17, 265/65R18, and 275/55R20. All of them are radial sizes, but they do not apply to every LTZ in the same way because wheel package, drivetrain configuration, and option grouping affect which size belongs on the truck.
The safest starting point is the truck's actual wheel diameter and exact sub-model or package, not the LTZ badge alone. A 17-inch, 18-inch, or 20-inch setup changes the size range completely, so matching the tire to the installed wheels is the first step before comparing load capacity, tread style, or intended use.
What size rim does a 2008 Chevrolet Trucks Silverado 1500 LTZ use?
A 2008 Chevrolet Trucks Silverado 1500 LTZ can use 17-inch, 18-inch, or 20-inch rims depending on the exact configuration. The 245/70R17 and 265/70R17 sizes use 17-inch rims, 265/65R18 uses an 18-inch rim, and 275/55R20 uses a 20-inch rim.
Rim diameter is the first thing to confirm because the LTZ does not rely on one universal wheel size. Looking at the current tire sidewall or measuring the installed wheel is more useful than relying on appearance alone, especially if the truck has changed hands or may have had wheels replaced at some point.
Why does the 2008 Chevrolet Trucks Silverado 1500 LTZ have more than one tire size?
More than one tire size appears on the 2008 Chevrolet Trucks Silverado 1500 LTZ because different LTZ configurations used different wheel and package combinations. The 4x2, 4x4, 20 Inch Option, Max Trailer Package, and Z71 Package do not all share the same tire-and-wheel setup, so multiple primary sizes are correct within the broader LTZ model line.
That means the real fitment question is not simply whether a tire is for an LTZ, but which LTZ it belongs to. Verifying the exact sub-model and the truck's present wheel diameter helps prevent choosing a 17-inch tire for an 18-inch or 20-inch wheel package, or selecting the wrong 17-inch size.
Choosing the Right Tire
What should I consider when choosing a 265/70R17 tire for a 2008 Chevrolet Trucks Silverado 1500 LTZ?
Start by confirming that 265/70R17 is the actual size used on the truck, since the 2008 Chevrolet Trucks Silverado 1500 LTZ also appears with other 17-inch, 18-inch, and 20-inch fitments. In this size, BFGoodrich All-Terrain T/A KO2 options are available, including different load-capacity versions with raised white letter sidewalls.
Once the size is confirmed, compare the tire's load figure, inflation pairing, and approved rim-width range against the truck's intended use. A Silverado that sees routine cargo, towing, or rougher service may call for different priorities than one driven mostly empty on pavement, even when the size code on the sidewall stays the same.
What sidewall styles are available for 2008 Chevrolet Trucks Silverado 1500 LTZ tires?
Among the currently represented LTZ products, the visible sidewall style is RWL, or raised white letter. That treatment appears on the available BFGoodrich All-Terrain T/A KO2 tires in both 245/70R17 and 265/70R17, giving the truck a more traditional light-truck appearance than a plain black sidewall presentation.
Sidewall style does not change the basic fitment size, but it does affect how the truck looks once the tires are mounted. For an LTZ owner, that makes appearance part of the buying decision alongside load capacity and wheel compatibility, especially if the truck is being kept in a more period-appropriate early-2000s visual style.
What brands offer tires for the 2008 Chevrolet Trucks Silverado 1500 LTZ?
BFGoodrich is the brand represented in the available product selection for this 2008 Chevrolet Trucks Silverado 1500 LTZ fitment set. The product line shown is the All-Terrain T/A KO2, covering 245/70R17 and 265/70R17 applications with radial construction and raised white letter sidewalls.
Brand matters, but it should be considered after the correct size, wheel diameter, and tire version are confirmed. On a truck with multiple possible OE-style fitments, the more important first step is matching the tire to the actual setup, then comparing the available product's load rating, rim-width range, and intended service character.
Restoration & Appearance
Which tire should I choose for a period-style 2008 Chevrolet Trucks Silverado 1500 LTZ?
A period-style choice starts with the exact size already tied to the truck's wheel package: 245/70R17, 265/70R17, 265/65R18, or 275/55R20. On the currently represented product side, the 17-inch BFGoodrich All-Terrain T/A KO2 options suit an early-2000s Silverado look that feels at home on a truck with a more rugged presentation.
Appearance should still follow fitment, not the other way around. Matching the installed wheel diameter and keeping the truck's package-specific size in place preserves the right visual stance more effectively than choosing a tire by tread look alone, especially on an LTZ where wheel choice is a major part of the truck's finished appearance.
How does tire construction affect the appearance of a restored 2008 Chevrolet Trucks Silverado 1500 LTZ?
On this 2008 Chevrolet Trucks Silverado 1500 LTZ, the primary fitments are all radial, so construction changes are less about bias-ply-versus-radial styling and more about the tire's overall profile and sidewall presentation within the correct size. A 17-inch raised white letter all-terrain tire gives a different visual impression than a larger-diameter street-oriented wheel-and-tire package.
For a restoration-minded truck, the wheel diameter and sidewall treatment often shape the final look more than construction language alone. Keeping the correct package-related size and selecting a sidewall style that suits the truck's trim and intended presentation usually does more for authenticity than chasing a tire that only looks aggressive.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 2008 Chevrolet Trucks Silverado 1500 LTZ?
Yes, modifications can affect tire fitment on a 2008 Chevrolet Trucks Silverado 1500 LTZ, especially because this truck already spans several factory wheel diameters and tire sizes. Aftermarket wheels, changes in wheel width, altered ride height, suspension work, or body modifications can all change what clears properly even when the sidewall size looks close.
The most useful check is to compare the current wheel diameter and width with the tire being considered, then inspect steering and fender clearance at full lock and under suspension movement. An LTZ with changed wheels may no longer match the fitment pattern it had when new, so the truck itself should always be the final reference point.
What should I inspect before driving a 2008 Chevrolet Trucks Silverado 1500 LTZ on new tires?
Before driving on new tires, inspect the wheel diameter and tire size match, confirm proper inflation, and look over the wheels, valve stems, and mounting surfaces. It also helps to make sure the tires clear suspension components, inner fenders, and steering range without rubbing, particularly on a truck that may have had wheel or suspension changes.
A short road test should be followed by another visual inspection for contact marks, uneven seating, or air loss. On a Silverado used for towing or hauling, it is also smart to confirm that the chosen tire's load capacity matches the truck's real workload rather than assuming every tire in the same nominal size serves the same purpose.
How often should tires on a 2008 Chevrolet Trucks Silverado 1500 LTZ be inspected?
Tires on a 2008 Chevrolet Trucks Silverado 1500 LTZ should be inspected regularly, not just when tread appears worn. Pressure loss, sidewall cracking, cuts, punctures, bulges, and uneven wear can develop gradually, and a truck that sits for periods can still have aging or condition issues even if mileage remains relatively low.
A quick visual check before routine driving and a more thorough inspection before towing, hauling, or longer trips is a sensible habit. Watching for irregular wear is especially useful on a Silverado because alignment changes, suspension wear, and wheel changes can show up in the tire long before they become obvious from the driver's seat.
