Yes—38 inch tires on 20 inch rims are possible with the right wheel offsets and a compatible tire pairing. This guide highlights five 20×9 inch wheels designed to fit GM full-size trucks and SUVs (like Silverado 1500, Tahoe, Suburban, and Yukon) while leaving room for appropriate 38-inch tire options where applicable. These selections emphasize common 6×139.7 bolt patterns, matching offsets, and proven fits. They’re best for drivers upgrading for a bold stance, improved fitment with larger tires, and a factory-inspired look without complex modifications.
Summary table of selected products (quick reference):
| Product | Bolt Pattern | Offset | Fit Focus | Note |
|---|---|---|---|---|
| OE Wheels CV32 20×9 RST Style | 6×139.7 | +28 | Direct-fit GM full-size SUVs | Gloss black, multi-vehicle fit |
| OE Wheels CV34B 20×9 | 6×139.7 | +26 | Trail Boss / Silverado 1500 style | Gloss black, Hollander 5911 |
| OE Wheels CV36 Gloss Black 20×9 | 6×139.7 | +28 | Sierra 1500 / GM SUVs | TerraMax AT2 compatibility |
| OE Wheels CV36 20×9 Set with Tires | 6×139.7 | +28 | Rims and Tires Package | 275/55R20 tires option |
| OE Wheels CV36 20×9 Gloss Black (Gunmetal) | 6×139.7 | +28 | Sierra 1500 / GM SUVs | Gunmetal machined finish |
OE Wheels CV32 20×9 RST Style Wheels
Best for GM trucks and full-size GM SUVs with 6×139.7 hubs. This wheel uses a factory-inspired RST split-spoke design with a durable gloss black finish. The +28 offset provides a direct fit for Silverado 1500, Tahoe, Suburban, and similar GM models. Best for buyers seeking a clean, aggressive look that mirrors OEM styling without aftermarket fitment surprises. A potential limitation is that heavy wheeling or off-road use may require professional check of inner clearance and tire choice.
Who it’s best for: drivers upgrading to a bold, OEM-appearing wheel that fits a wide range of GM trucks and SUVs. Why selected: proven 6×139.7 bolt pattern compatibility and a classic gloss black aesthetic that pairs with most tires. Caution: verify clearance with your specific year and trim to avoid rubbing on suspension components or fender liners.
Flat Free 20 Inch Tire With Steel Spoke Rim
Better for utility and yard applications than highway driving. This 20″ flat-free wheel is designed for heavy-duty carts and is not a direct fit for full-size GM pickup configurations. Best for buyers needing durable, puncture-resistant wheels for garden carts, yard wagons, or similar equipment. Caution: confirm hub size, bearing dimensions, and overall diameter to ensure compatibility with your cart or trailer setup.
OE Wheels CV34B 20 Inch Rims and Tires Fit Silverado 1500 Trail Boss
Best for Trail Boss and Silverado 1500 enthusiasts seeking a rugged, split-spoke look with a gloss black finish. The CV34B model is designed for 6×139.7 bolt patterns with a +26 offset, making it a close-to-OEM fit for many GM full-size pickups and SUVs from 1999 onward. Selected for its balanced stance and compatibility with common 275/55R20 tires. Limitation: confirm exact fitment per year and trim for your vehicle to avoid clearance issues near brake calipers or control arms.
OE Wheels CV36 20 Inch Rims Fit Sierra 1500 Style
Better for Sierra 1500 and GM SUVs that need a precise +28 offset and a robust 6×139.7 bolt pattern. The gloss gunmetal machined finish adds a distinctive touch while maintaining a versatile appearance. This wheel is a strong choice for buyers wanting a modern, split-spoke aesthetic with reliable fitment across many full-size GM platforms. Caution: verify brake clearance on higher-performance brakes or larger tires.
OE Wheels CV36 20×9 Gloss Black Rims For Sierra 1500
Best for buyers seeking a gunmetal gloss black finish with a clean machined edge. This CV36 variant is designed for 6×139.7 bolt patterns with a +28 offset and supports common full-size GM SUV configurations. Selected for its versatile finish and compatibility with 275/55R20 tires often used on Sierra 1500 and Suburban-type vehicles. Limitation: ensure compatible TPMS and tire package if you plan to add tires with sensors.
Buying Guide: Key Considerations For 38 Inch Tire On 20 Inch Rim Upgrades
- Fitment fundamentals: Confirm bolt pattern (6×139.7), offset (+26 to +28), hub size (78.1 mm), and backspace. These wheels are designed to align with Silverado 1500, Tahoe, Suburban, Escalade, and similar GM full-size platforms.
- Tire compatibility: A 38-inch tire requires a compatible tire size, such as 275/55R20 or other manufacturer-recommended equivalents. Always verify form-factor clearance with suspension, brake calipers, and fenders.
- Finish and maintenance: Gloss black and gunmetal finishes require regular cleaning to preserve finish and prevent corrosion. Some finishes may show brake dust more readily.
- Load and speed considerations: Confirm your vehicle’s load rating and tire load capacity to avoid overloading wheels or tires when carrying heavy loads or towing.
- Warranty and warranties coverage: Review wheel and tire warranties for cosmetic and structural protection, especially for large-diameter upgrades.
- Professional mounting: Specialized tire mounting and alignment are recommended when changing to 20×9 wheels and larger tires to ensure proper braking, steering feel, and clearance.
Frequently Asked Questions
- Are 38 inch tires compatible with 20 inch rims on GM trucks? Yes, with proper wheel offset, caliper clearance, and the right tire size, typically 275/55R20 fits many 20×9 configurations.
- Which wheel finish is easiest to maintain for daily driving? Gloss black and gunmetal finishes are common and aesthetically versatile, but gloss finishes may require more frequent cleaning to maintain their shine.
- Will these wheels affect tire pressure monitoring (TPMS)? Some packages support TPMS; verify compatibility if you plan to use sensors with your tires.
- Do these wheels require modifications to fit a Silverado Trail Boss or Tahoe? Most 6×139.7, +26 to +28 offset wheels will fit with standard suspension, but confirm clearance for specific trims and the year model.
- Is professional installation necessary? For large-diameter wheels and 38 inch tires, professional mounting and alignment are recommended to ensure safety and proper handling.
- Can I mix and match tires from the listed packages? Yes, within the same wheel size and compatible tire size guidelines, but ensure matching load rating and speed rating for safety.