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    Tire Size & Pressure

    2021 Honda Civic: Tire Size, Pressure & Wheel Specs

    Your comprehensive guide to tire and wheel specifications for the 2021 Honda Civic.

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

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    Quick Answer

    • OEM Tire Size: 215/55R16, 215/50R17, 235/40R18
    • Recommended Cold Tire Pressure (Door Placard): 32-35 PSI (Front & Rear, varies by trim and tire size)
    • Bolt Pattern: 5x114.3
    • Wheel Size: 16x7 et45, 17x7 et45, 18x8 et50
    • Load Index/Speed Rating: 91H-92V (varies by tire size)
    • Spare Tire Size: T125/80D15 (Temporary Spare)
    • TPMS Frequency: 315 MHz

    Tire Sizes by Trim

    Trim LevelOEM Tire SizeWheel Size
    LX215/55R1616x7 et45
    Sport235/40R1818x8 et50
    EX215/50R1717x7 et45
    EX-L215/50R1717x7 et45
    Touring235/40R1818x8 et50
    Si235/40R1818x8 et50
    Type R245/30ZR2020x8.5 et60

    Recommended Replacement Tires

    When it's time for new tires, consider these popular options that offer a balance of performance, longevity, and value for your 2021 Honda Civic:

    • Michelin Defender T+H (Premium): A top-rated all-season touring tire known for its excellent tread life, comfortable ride, and quiet operation. Expect to pay around $150-$190 per tire.
    • Continental PureContact LS (Premium): Another excellent all-season choice, offering strong wet and dry traction, responsive handling, and a refined ride. Price point is similar to Michelin, roughly $140-$180 per tire.
    • Falken Pro G5 CSV (Mid-Range): A great value option that delivers reliable all-season performance, good handling, and a comfortable ride without breaking the bank. These typically range from $100-$140 per tire.
    • General Altimax RT43 (Mid-Range): A popular choice for its long treadwear warranty, comfortable ride, and dependable grip in various conditions. Expect to pay in the $90-$130 range per tire.
    • ohama Avid Ascend GT (Mid-Range): Offers a good blend of all-season traction, fuel efficiency, and a quiet ride. Priced similarly to other mid-range options, around $100-$140 per tire.

    When to Inflate to Max Load PSI

    For the 2021 Honda Civic, you should never inflate your tires to the "max load PSI" listed on the tire's sidewall. This pressure rating is the maximum cold inflation pressure a tire can hold to carry its maximum load, and it's not intended for everyday driving. Always refer to the tire pressure placard located on the driver's side door jamb for the recommended cold tire inflation pressures for your specific vehicle and tire size. Overinflating your tires can lead to a harsh ride, premature tire wear, and potentially dangerous handling characteristics.

    Lug Nut Torque & Pattern

    The correct lug nut torque is crucial for ensuring your wheels are securely fastened and to prevent issues like warped brake rotors. For the 2021 Honda Civic:

    • Lug Nut Torque: 80 lb-ft (108 Nm)
    • Lug Nut Pattern: Star pattern (tighten opposing lug nuts sequentially until all are torqued to spec). This ensures even pressure and proper seating of the wheel against the hub.

    Common Tire Issues for This Vehicle

    While the 2021 Honda Civic is generally reliable, some common tire-related issues that owners might encounter include:

    • Uneven Tire Wear: This can be caused by improper tire inflation, misaligned suspension components, or infrequent tire rotations. Regular checks of tire pressure and professional wheel alignments can help mitigate this.
    • Road Noise: Some owners, particularly those with lower-profile tires on larger wheels (e.g., 18-inch), might experience increased road noise. Choosing touring-oriented tires can help reduce this.
    • Pothole Damage: Low-profile tires, especially those on 17-inch or 18-inch wheels, are more susceptible to damage from potholes, leading to sidewall bulges or bent rims. It's important to be mindful of road conditions.
    • TPMS Malfunctions: While not exclusive to the Civic, TPMS (Tire Pressure Monitoring System) sensors can occasionally fail due to battery depletion or impact damage, triggering a warning light on the dashboard. The TPMS frequency for the 2021 Civic is 315 MHz.

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    More specs for the 2021 Honda Civic

    Oil Capacity & Filter

    Capacity, weight, filter PN, drain plug torque, change interval.

    Fluid Type Specs

    Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.

    Coolant Capacity & Type

    Total system capacity, OEM coolant spec, flush interval, bleed tips.

    Transmission Fluid & Service

    Trans model, fluid spec, capacity, filter PN, service interval.

    Torque Specifications

    Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.

    Brake Pad & Rotor Specs

    Pad PNs, rotor size, min thickness, caliper torque.

    Battery Size & Group

    Group size, CCA, AGM/flooded, dimensions, reset note.

    A/C Refrigerant & Oil

    R-134a or R-1234yf, charge oz, PAG oil spec.

    Bulb Sizes (Headlight, Tail, Fog)

    Headlight, fog, tail, turn, reverse, interior.

    Factory Maintenance Schedule

    Service intervals by mileage, severe-duty notes, known issues.

    Towing Capacity & Payload

    Max tow, payload, GVWR/GCWR, hitch class by trim.

    Fuse Box Diagram & Amperage

    Fuse box locations, layout, amps, and what each fuse controls.

    Serpentine Belt Routing & Length

    Belt routing, length, rib count, OEM + aftermarket PNs.

    Wheel Alignment Specifications

    Camber, caster, toe ranges (front & rear), adjustability notes.

    Paint Color Codes

    All factory colors with paint codes, sticker location, touch-up tips.

    Wiper Blade Sizes

    Driver/passenger/rear blade size, attachment, OEM + cross-refs.

    Spark Plug Type & Gap

    Plug PN, gap, torque, interval by engine.

    Transmission & Axle Gear Ratios

    Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.

    Key Fob Programming

    DIY programming steps, FCC ID, fob PN, battery, transponder.

    Same spec — other model years

    Maintenance & repair guides

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