155/80R13 Tire Size Guide

The 155/80R13 size code breaks down into four parts: 155 is the section width in millimeters, 80 is the aspect ratio, R identifies radial construction, and 13 is the wheel diameter in inches. Put together, it describes a relatively narrow passenger-car radial built for a 13-inch wheel with a sidewall height equal to 80 percent of its width.

Unlike older numeric or alphanumeric sizes, the 155/80R13 format states its width and profile directly in the code. It still does not tell you everything, though. Load capacity, sidewall style, and exact wheel-width compatibility depend on the specific tire being considered, so the size code is the starting point rather than the entire fitment answer.

The 155/80R13 fits a 13.0-inch wheel, which is 330.2 millimeters at the bead-seat diameter. The 13 in the size code is not approximate and cannot be treated as interchangeable with any other wheel diameter.

Wheel width matters along with wheel diameter. In this size, the supported wheel-width range runs from 4.00 to 5.50 inches across the products that publish that specification. A rim outside that span can change the tire's profile, contact patch shape, and clearance behavior, so diameter and width should both be checked before installation.

The 155/80R13 has a section width of 155 millimeters, which is about 6.10 inches. Section width is measured at the widest point of the inflated sidewall, not across the tread face that actually meets the road.

Clearance questions should be based on section width first, because the sidewall is often the part that comes closest to springs, struts, inner fenders, and wheel lips. Tread width is usually narrower, so using tread measurements alone can understate how much room the tire really needs in the wheelhouse.

The 155/80R13 has an overall diameter of 22.76 inches, or about 578.1 millimeters. That figure represents the full mounted and inflated height of the tire from the ground to the top through the centerline.

Overall diameter affects more than appearance. It influences ride height, wheel-opening fill, gearing feel, and speedometer readings, which is why it is one of the first numbers to compare when a buyer is considering a substitute size. Even a tire with the same wheel diameter can change stance and clearance if its overall height differs too much.

The 155/80R13 has a sidewall height of 4.88 inches, which is 124.0 millimeters. This is the height of one sidewall from the wheel's bead seat to the outer edge of the tread.

Sidewall height shapes both the look and the driving feel of the tire. A taller sidewall generally gives more compliance over rough pavement and preserves the factory proportions expected on many compact cars that originally used narrow 13-inch radial sizes. It also affects how fully the tire fills the wheel opening compared with lower-profile substitutes.

The 155/80R13 turns about 886.2 revolutions per mile. That number comes from the tire's approximate circumference and shows how often it completes a full rotation over one mile of travel.

Revolutions per mile become useful when comparing substitute sizes, because a noticeable change can alter speedometer and odometer readings. A tire that turns more times per mile is effectively smaller in rolling diameter, while one that turns fewer times per mile is effectively taller. Buyers comparing replacements should use this number along with overall diameter, not by itself.

The 155/80R13 is commonly associated with compact passenger cars from the mid-1970s through 2001, but original use does not guarantee present-day fitment on every surviving vehicle. Trim level, wheel width, brake changes, suspension repairs, and prior tire substitutions can all change what fits correctly now.

Vehicle documentation, the current wheel size, and the tire already on the car should all be checked together. On an older driver, it is especially common to find replacement wheels or a different size installed years ago. Matching the original diameter, confirming a 13-inch wheel, and staying within the 4.00 to 5.50 inch rim-width range will keep the fitment decision grounded in the actual wheel-and-tire package.

The 155/80R13 fits wheel widths from 4.00 to 5.50 inches in the products that publish a rim-width specification. That range is narrow by design, which suits the size's relatively slim section width and tall 80-series sidewall.

A wheel near the narrow end of the range can make the sidewall stand more upright, while a wheel near the wide end can slightly flatten the profile. Either condition may still be acceptable within spec, but moving beyond the range can change clearance, steering response, and how the tire wears. Buyers should confirm both wheel diameter and actual measured wheel width before assuming compatibility.

The 155/80R13 can be a sensible period-style replacement when the goal is to preserve the narrow tread width and taller sidewall proportions common to many small cars from its long production span. Radial construction also helps maintain familiar modern-road behavior for vehicles that are still driven regularly.

Judged originality is a separate question. Some restorations may call for careful verification of what the vehicle wore when new, including whether the original specification was radial and what sidewall appearance was used. A buyer seeking authenticity should compare the tire's construction, sidewall treatment, and overall diameter against the car's build information rather than relying on size alone.

The 155/80R13 generally delivers the kind of light, easygoing road feel expected from a narrow 80-series radial. Its relatively tall sidewall can soften small bumps compared with lower-profile sizes, while the modest width tends to keep steering effort low on lightweight compact cars.

Road manners still depend on the full vehicle setup. Alignment, suspension wear, inflation, and the age of the tire all influence how stable and precise the car feels. On an older compact with loose steering or tired bushings, even the correct size can feel less settled than expected, so the tire should be judged as part of the whole chassis rather than in isolation.

Yes, radial construction typically gives the 155/80R13 a more familiar modern driving character than older bias-ply designs. A radial's carcass layout usually supports steadier tracking, more predictable cornering response, and less wandering on grooved or uneven pavement.

Driving feel is not determined by construction alone, but it is an important part of the equation. Buyers using the car regularly often value the calmer behavior of a radial, while owners focused on strict originality may weigh that against what the vehicle originally used. Either way, the choice should also account for wheel condition, suspension health, and the intended pace of road use.

Changing from the 155/80R13's 22.76-inch overall diameter can alter more than appearance. A shorter replacement can lower the car slightly and make the speedometer read higher than actual road speed, while a taller replacement can raise the stance and push readings in the opposite direction.

Diameter changes also affect wheel-opening fill and can shift clearance at the front valance, strut spring perch, or rear wheelhouse. Buyers comparing alternatives should measure the existing setup and compare section width, sidewall height, and revolutions per mile together. Looking at only the wheel diameter is not enough to predict how the replacement will drive or sit.

The 155/80R13 is available from BFGoodrich, Maxxis, Tornel, and Travelstar. All four offerings in this size are radial tires, but they differ in details such as published rim-width coverage, sidewall treatment, weight, and whether a speed letter appears in the size marking.

Brand choice should start with the vehicle's actual needs rather than the name on the sidewall alone. Buyers should compare load capacity, wheel-width compatibility, sidewall appearance, and whether they want the same look and construction across all four corners. For a tidy result on a classic or a well-kept survivor, matched-set consistency usually matters as much as individual brand preference.

Quality in the 155/80R13 size should be judged by how accurately the tire matches the job at hand: correct dimensions, proper wheel-width compatibility, suitable load capacity, and consistent construction across the set. In this size, radial construction is standard, so the important differences often come down to fitment details and how faithfully the tire supports the vehicle's intended character.

Sidewall presentation can matter more than many buyers expect, especially on small cars with visible wheel openings and bright trim. A narrow or wide whitewall changes the visual balance even when the size stays the same. Looking beyond brand reputation to the complete combination of appearance, published specs, and intended use will lead to a better decision.

Using a matched set of 155/80R13 tires is usually the cleanest approach for handling consistency, predictable wear, and balanced appearance. Even within the same size, differences in casing feel, sidewall styling, weight, and speed marking can make one tire behave or look slightly different from another.

Mixing brands is not automatically impossible, but it deserves caution. A car with different whitewall widths front to rear can look uneven, and a mixed set with varying construction details may not deliver the same steering response at each corner. Buyers trying to preserve a factory-style presentation or a tidy driver-quality look usually prefer one brand and one sidewall treatment throughout.

A 155/80R13 used in regular service should be inspected routinely for air loss, sidewall cracking, bulges, cuts, and uneven wear. Compact cars that use narrow 13-inch tires can be especially sensitive to alignment and suspension wear, so unusual shoulder wear or feathering should be taken seriously rather than dismissed as normal aging.

Regular checks are most useful before longer drives and at rotation intervals. Looking at the tread alone is not enough, because an older radial can age out structurally while still appearing to have usable depth. If the car begins to pull, vibrate, or lose pressure between checks, the tire and wheel assembly should be examined before more road use.

Low mileage does not guarantee long life for the 155/80R13. Time, heat, sunlight, ozone, and long periods of sitting can age a tire even when the tread still looks respectable, and that is especially relevant on older vehicles that spend part of the year parked.

Storage conditions make a real difference. Keeping the vehicle away from direct sun, moisture, electric-motor ozone sources, and major temperature swings will help slow aging, but it does not stop it. Buyers should judge serviceability by condition and age as well as tread depth, and replace tires that show cracking, deformation, repeated air loss, or other signs of deterioration.

The 155/80R13 is normally a tubeless fitment. Even so, tube use is a wheel-and-tire-system question rather than a size question, so the final decision should be confirmed against the actual wheel design and the tire being used.

Original wheel condition matters here. A damaged bead seat, corrosion on an older rim, or a specialty wheel design can change how the assembly should be set up. Buyers restoring or maintaining older small cars should confirm the tire's sidewall markings, inspect the wheel carefully, and follow current manufacturer guidance if there is any doubt about whether a tube belongs in the assembly.

The 155/80R13 should be replaced when age or condition raises concern, even if tread depth still appears usable. Cracking, bulges, repeated air loss, impact damage, or visible distortion are stronger warning signs than tread depth alone, especially on older cars that may sit for long periods between drives.

A tire can look serviceable at a glance and still be a poor candidate for modern road use. Before highway trips or seasonal use, inspect the entire casing, including both sidewalls and the area near the bead. If the age, history, or condition of the tire is uncertain, a qualified tire professional should evaluate it before the vehicle returns to regular driving.

In this size, published load capacity reaches 959 pounds at 35 psi on the products that state a load figure. Buyers should verify that rating against the vehicle's actual axle loads and intended use rather than assuming every 155/80R13 tire is identical in specification.

Load capacity and inflation belong together, so the number only has meaning with its paired pressure. A compact passenger car may not sound demanding, but luggage, passengers, and long-distance use all matter. Matching the tire's rating to the vehicle's requirements is one of the most basic safety checks a buyer can make before putting an older or smaller car back on the road.

The 155/80R13 can be appropriate for modern road use when the tire is in good condition, properly matched to the wheel, and suitable for the vehicle's load needs. Legality and inspection expectations can vary by state and by vehicle condition, so buyers should review the tire's current sidewall markings and local requirements rather than relying on assumptions.

Roadworthiness also depends on the whole setup, not just the size code. A correct 13-inch radial on a damaged wheel, an undermaintained suspension, or an aged casing is still a problem. Before regular use, confirm wheel compatibility, inspect for age-related deterioration, and make sure the tire's specifications align with how the car will actually be driven.