Best 38 Inch Mud Tires For 20 Inch Rims

#1 · Best Overall

1. Nitto Trail Grappler M/T 13.50

• Size: 38/13.50R20
• Rim Size: 20 in
• Weight: 100 lb
• Load Capacity: 3970 lb

Best for: Puncture-conscious mud-terrain use.

Why it ranks #1: This is a 38/13.50R20 M/T with 3-ply sidewalls and thick rubber; its description also cites tread blocks for traction and lateral stability.

Three-ply sidewalls with thick, strong rubber are the Nitto Trail Grappler M/T’s clearest differentiator, providing added protection from punctures for drivers taking a 38-inch tire off road. Its 38/13.50R20 size is listed for a 20-inch rim, pairing that protection focus with a wide fit.

The 3-ply sidewall construction and thick, strong rubber are specified to enhance puncture protection, a practical consideration when choosing a tire for rough terrain. Tread blocks supply biting edges for traction and lateral stability, while the description also calls out quiet, comfortable rides on and off road. Together, those features make this a candidate for drivers balancing trail use with road travel. The 100-pound listed weight is worth considering when handling tires during installation.

Skip it if you want a narrower 38-inch section width; the Nitto Ridge Grappler 38X11.5R20 is listed at 11.5 inches wide.

This suits buyers seeking a wide 38-inch Nitto with stated sidewall protection and tread-block traction features for mixed road and off-road use. Account for its 100-pound weight when arranging installation and handling.

Listed on Amazon as: Nitto 38X13.50R20LT 128Q E/10 NIT TRAIL GRAPPLER M/T BW

#2 · Widest M/T

2. Nitto Trail Grappler M/T 15.50

• Size: 38X15.50R20/8
• Rim Size: 20 in
• Weight: 95.6 lb
• Load Capacity: 3640 lb

Best for: Wide Trail Grappler M/T fit.

Why it ranks #2: The 38X15.50R20 listing is an M/T with 3-ply sidewalls and puncture-protection language, suited to shoppers specifically seeking a wider option.

The Nitto Trail Grappler M/T combines a 38X15.50R20 size with 3-ply sidewalls and thick, strong rubber, making puncture protection a central feature for off-road buyers. Tread-block biting edges are specified for traction and lateral stability, while the description also cites quiet, comfortable road and off-road rides.

The listed 3-ply sidewalls and thick, strong rubber are intended to enhance protection from punctures, a practical consideration for rough routes. Tread blocks provide biting edges for traction and lateral stability, while the product description also identifies quiet, comfortable rides on road and off road. The 38X15.50R20 size establishes a wide fit for a 20-inch rim. At 95.6 pounds, it is also a substantial tire to handle during mounting.

Skip it if you want a narrower 38-inch section; the Nitto Ridge Grappler 38X11.5R20 is listed at 11.5 inches wide.

Consider this Trail Grappler if you want a wide 38-inch Nitto with stated sidewall protection and tread-block traction features for road and off-road travel. Its 15.50-inch width and 95.6-pound weight merit fit and handling checks.

Listed on Amazon as: Nitto Trail Grappler M/T LT38/15.50R20 125Q

#3 · Extreme Off-Road

3. Atturo Trail Blade BOSS

• Size: 38×14.50R20LT
• Rim Size: 20 in
• Weight: 106 lb
• Load Capacity: 1600 kg

Best for: Aggressive off-road terrain use.

Why it ranks #3: Its 38×14.50R20LT size, oversized tread blocks, open voids, stone ejectors, and tread-to-sidewall blades target demanding off-road use.

Oversized tread blocks give the Atturo Trail Blade BOSS its defining focus, targeting terrain-crushing and trench-excavating performance for demanding off-road use. The 38×14.50R20LT size pairs a 38-inch diameter with a 20-inch rim, while the balanced pattern and sidewall design add further grip and protection features.

The balanced tread pattern creates biting edges for grip, and its open voids leave room while stone ejectors help keep small boulders from riding along. Knife-blade styling extends from the tread onto the sidewall, where the supplied description says it adds protection from cuts and scrapes as well as grip. Oversized blocks target aggressive off-road terrain. At 14.50 inches wide and 106 pounds, this tire calls for careful fit planning and handling during installation.

Skip it if you prioritize listed mud-clearing grooves; the Gripmax MaxGrip R/T Plus specifies deep, wide grooves for clearing mud and debris.

Choose the Atturo for aggressive off-road use when oversized blocks, biting edges, and sidewall protection align with your terrain. Its 14.50-inch width and 106-pound weight make vehicle clearance and installation handling key considerations.

Listed on Amazon as: ATTURO Trail Blade BOSS Extreme Off-Road Tire, 38×14.50R20LT 124Q 8PR

#4 · Narrowest Option

4. Quadboss QBT680 Mud Tire

• Size: 38/9.5-20
• Rim Size: 20 in
• Weight: 62 lb

Best for: Narrow directional mud-tire fit.

Why it ranks #4: The 38/9.5-20 mud tire is much narrower than the other listed sizes and has a 6-ply bias, directional construction.

The Quadboss QBT680 combines a directional, 6-ply bias construction with a 38/9.5-20 size, giving buyers a clearly specified narrow-profile option for a 20-inch rim. Its front/rear designation makes the listed placement straightforward, while the supplied details keep the decision focused on size and construction.

At 38/9.5-20, this Quadboss tire has a narrower listed section than the 13.50- and 15.50-inch options in this roundup, a meaningful distinction when comparing width requirements. Its directional tread construction gives buyers an orientation-specific design to account for during mounting, and the 6-ply bias specification identifies its construction type. The product is described for front or rear use. The listed weight is 62 pounds, which is relevant when handling it for installation.

Skip it if you need a wide 38-inch section; the Gripmax MaxGrip R/T Plus is listed at 15.50 inches wide.

Pick the Quadboss if its 9.5-inch section, directional construction, and front/rear designation suit your setup. It is the narrow-profile choice here, so buyers seeking a wider footprint should compare its dimensions carefully with their requirements.

Listed on Amazon as: Quadboss P311938950206 QBT680 Mud Front/Rear Tire – 38/9.5-20

#5

5. Gripmax MaxGrip R/T Plus

• Size: LT38/15.50R20
• Rim Size: 20 in
• Weight: 115 lb
• Load Capacity: 3 lb

Best for: Rugged-terrain truck and SUV choice.

Why it ranks #5: This 38/15.50R20 rugged-terrain tire has deep, wide grooves for clearing mud, stones, water, and gravel, plus sidewall-extending shoulder blocks.

Deep, wide grooves that clear mud, stones, water, and gravel distinguish the Gripmax MaxGrip R/T Plus, helping keep varied debris moving through its tread. Its 38-inch LT38/15.50R20 specification targets SUVs, Jeeps, and light trucks, while shoulder blocks extending onto the sidewall add grip and protection.

The varying tread-block sizes are specified to increase traction, while deep, wide grooves clear mud, stones, water, and gravel; together, these features address changing off-road surfaces. Shoulder blocks that extend onto the sidewall add protection and grip beyond the central tread area. A reinforced carcass is also listed for extra durability. Its LT38/15.50R20 size fits a 20-inch rim and is identified for SUVs, Jeeps, and light trucks, making width and vehicle category central fit checks.

Skip it if you need a lighter listed tire; the Quadboss QBT680 weighs 62 pounds, compared with this Gripmax at 115 pounds.

The Gripmax fits buyers choosing a wide 38-inch rugged-terrain tire for an SUV, Jeep, or light truck and valuing debris-clearing grooves and reinforced construction. Its 15.50-inch width and 115-pound weight deserve attention before installation.

Listed on Amazon as: Gripmax MaxGrip R/T Plus Rugged Terrain LT38/15.50R20 128Q E Light Truck Tire

#6

6. Nitto Ridge Grappler 13.50

• Size: 38X13.5R20
• Rim Size: 20 in
• Weight: 80.7 lb
• Load Capacity: 3970 lb

Best for: Wide 10-ply light-truck fit.

Why it ranks #6: Its 38X13.50R20 size and 10-ply E rating suit buyers wanting this width, but it is a hybrid grappler rather than a dedicated M/T.

The Nitto Ridge Grappler pairs a 38-inch diameter with a 13.50-inch section width and E/10-ply construction, giving buyers a wide-format option for a 20-inch rim. Its listed 3,970-pound load capacity helps frame the choice for owners weighing tire size and load specification together.

The 38X13.50R20 size identifies this as a notably wide 38-inch option for a 20-inch rim, while the E/10-ply designation gives buyers a clear construction rating to compare against their requirements. Nitto lists a 3,970-pound load capacity and a tire weight of 80.7 pounds, useful figures when checking vehicle load needs and planning handling during mounting. The supplied details do not specify tread design, so the case here rests on size and stated specifications.

Skip it if you need documented mud-clearing tread details; the Nitto Ridge Grappler 38X11.5R20 lists shoulder grooves for clearing mud.

Choose this Nitto if a wide 38X13.50R20 size and E/10-ply rating match your vehicle requirements. Its listed weight is substantial, and the supplied specifications do not describe its tread pattern, so prioritize those concrete fit and load details.

Listed on Amazon as: Nitto Ridge Grappler 38X13.50R20 E/10PLY BSW

#7

7. Nitto Ridge Grappler 11.5

• Size: 38X11.5R20
• Rim Size: 20 in
• Weight: 82.5 lb
• Load Capacity: 3860 lb

Best for: Highway-conscious mixed-terrain driver.

Why it ranks #7: It fits a 20-inch rim and measures 38X11.5R20, but the Ridge Grappler is described as a hybrid terrain tire, not a dedicated mud-terrain model.

Nitto’s variable-pitch tread pattern is specified to provide a quiet, smooth highway ride, distinguishing this Ridge Grappler for light-truck and SUV owners balancing road comfort with mud traction. Shoulder grooves are designed to clear mud, and the 38X11.5R20 size fits a 20-inch rim.

The variable-pitch tread pattern is linked to a quiet, smooth highway ride, a useful feature for drivers who spend time on paved roads between off-road sections. For muddier stretches, aggressive shoulder grooves are designed to clear mud, while zig-zag lateral Z grooves create biting edges for traction. Those named features support its mixed-terrain positioning without relying on unspecified performance claims. The 38X11.5R20 size and 3,860-pound listed load capacity are relevant checks for vehicle fit and load needs.

Skip it if you need a wider 38-inch section; the Nitto Trail Grappler M/T LT38/15.50R20 is listed at 15.50 inches wide.

This Ridge Grappler suits light-truck and SUV drivers wanting specified highway refinement alongside shoulder-groove mud clearing and lateral traction edges. Its 11.5-inch width is the boundary to weigh against your vehicle’s fit and width requirements.

Listed on Amazon as: Nitto Ridge Grappler 38X11.5R20 D/8PLY Light Truck & SUV Tire