Also Written As: 18560R13, 185 60R13, 185-60R13, 1856013, 185 60 13
The 185/60R13 tire is a compact radial size associated with modern passenger car use and late-1980s applications that called for a relatively short overall diameter and responsive profile. Its 60-series sidewall gives it a lower, sportier proportion than taller metric sizes, which can matter for steering response, wheel-opening appearance, and gearing feel. For buyers replacing tires on a regularly driven car or preserving original proportions on an older import, this size balances everyday drivability with a period-appropriate late-1980s look. Before choosing one, confirm load needs, wheel width compatibility (5.00 to 6.50 inches), and fender, suspension, and brake clearance on the actual vehicle.
The 185/60R13 size is offered in 1 brand and 1 product on this page. Buyers should match construction type, sidewall style, and load rating to their wheel setup and intended use.
The 185/60R13 measures 185 mm wide, has a 60-series profile with a 4.37-inch sidewall, stands 21.74 inches tall overall, and fits a 13-inch rim.
Section Width: 185 mm (7.28 in) — This is the dimension to check first against fender lips, suspension components, and brake clearance.
Aspect Ratio: 60 — A higher number means a taller, rounder sidewall; a lower number means a lower, wider profile.
Sidewall Height: 4.37 in (111.0 mm) — Sidewall height determines how much cushioning the tire provides and how the profile fills the wheel opening.
Overall Diameter: 21.74 in (552.2 mm) — This determines ride height, wheel-opening fill, and speedometer accuracy — and is the first number to compare when evaluating any substitute size.
Rim Diameter: 13.0 in (330.2 mm) — This must match exactly — 185/60R13 cannot be mounted on any other rim diameter regardless of how other dimensions compare.
Rim Width: 5.00-6.50 in — A wheel that is too narrow causes the sidewall to bulge inward; one that is too wide splays the tire flat and distorts the profile.
Circumference: 68.3 in (1734.8 mm) — Use this to compare how a substitute size will affect speedometer calibration.
Revolutions Per Mile: 927.7 — A meaningfully different value from a substitute size will alter speedometer and odometer readings.
Construction: Radial — Construction type affects ride feel, sidewall flex, handling behavior, and period-correctness for restoration.
Tire Weight: 14 lb — Heavier construction reflects a denser carcass and increases unsprung weight on the vehicle.
Vehicles That Use 185/60R13
This size appears in late-1980s passenger car use, including the Bertone X-1/9 from 1987 through 1989. That makes the vehicle list a useful starting point for researching original-style replacement sizing, but not a universal fitment rule. Buyers should still compare wheel width, overall tire height, suspension clearance, and any running changes made during the vehicle's production span.
Find answers to the most common questions about 185/60R13 tire sizing, fitment, compatibility, performance, maintenance, and replacement options.
Size Basics & Dimensions
What does 185/60R13 mean?
The 185/60R13 size code gives four key measurements. The 185 is the tire's section width in millimeters, 60 is the aspect ratio, the R means radial construction, and 13 is the wheel diameter in inches. In practical terms, the tire is 185 mm wide with a sidewall height equal to 60 percent of that width.
Modern metric sizing like 185/60R13 tells you much more directly about width and profile than older numeric or alphanumeric systems. What it does not tell you by itself is wheel width range, load capacity, or exact tread width, so those still need to be confirmed on the actual tire and wheel combination before installation.
What size wheel does the 185/60R13 tire fit?
The 185/60R13 fits a 13-inch wheel, which equals 330.2 millimeters at the bead seat diameter. That wheel diameter must match exactly, because a 13-inch tire cannot be safely mounted on a different rim diameter even if the width looks close.
Wheel fitment involves width as well as diameter. In this size, the tire is designed to work on rims from 5.00 to 6.50 inches wide, and that range affects how the sidewall stands and how the tread sits on the road. Staying within that span helps preserve the intended profile, clearance, and handling balance.
How wide is the 185/60R13 tire?
The 185/60R13 has a section width of 185 millimeters, which converts to 7.28 inches. Section width is measured at the widest point of the inflated casing, sidewall to sidewall, rather than across the tread face.
Clearance planning should be based on section width, because that is the part most likely to come close to spring perches, struts, inner fenders, or outer lips. Tread contact width is usually narrower, so using tread width alone can lead buyers to underestimate how much room the tire actually needs.
What is the overall diameter of the 185/60R13 tire?
The 185/60R13 has an overall diameter of 21.74 inches, or about 552.2 millimeters. That is the full mounted and inflated height from the ground to the top of the tire through its centerline.
Overall diameter affects more than appearance. It influences ride height, wheel-opening fill, and the way the speedometer and odometer read compared with another tire size. When buyers are considering a substitute size, diameter is one of the first figures to compare because even modest changes can alter stance and clearance.
How tall is the sidewall on the 185/60R13 tire?
The 185/60R13 has a sidewall height of 4.37 inches, which is 111.0 millimeters. That figure represents the height of one sidewall from the wheel seat to the outer tread edge, not the full diameter of the tire.
A 60-series sidewall is shorter than the taller profiles seen on many earlier metric sizes, so the tire has a lower visual profile and typically a firmer, quicker-reacting feel than a taller sidewall equivalent. Buyers comparing replacements often use sidewall height to judge whether a tire will preserve the car's original proportions.
How many revolutions per mile does the 185/60R13 tire turn?
The 185/60R13 turns about 927.7 revolutions per mile. That number is based on the tire's circumference and reflects how many full rotations it makes to cover one mile of travel.
Revolutions per mile matter when comparing alternate sizes because a tire that turns more or fewer times per mile will change speedometer and odometer readings. A noticeable difference can also affect the way a car feels geared, especially on smaller-displacement vehicles where overall tire height plays a bigger role in engine speed.
Tire Compatibility & Fitment
Is the 185/60R13 an appropriate replacement size for an original 13-inch fitment?
The 185/60R13 can be an appropriate replacement when the vehicle was designed for a 13-inch wheel and for a tire with similar width and overall diameter. Its compact 21.74-inch height and 185 mm section width place it in a low-profile passenger-car category rather than a tall classic-car format.
Replacement decisions should go beyond the size code alone. Compare the original tire's overall diameter, section width, load needs, and wheel width against the 5.00 to 6.50 inch rim range used by this size. Buyers should also inspect suspension and fender clearance, because even a correct wheel diameter does not guarantee the same fit through the full steering and travel range.
What wheel width works with the 185/60R13?
The 185/60R13 is designed for wheel widths from 5.00 to 6.50 inches. Staying in that range helps the tire maintain the intended sidewall shape and tread profile on the car.
A narrow wheel pulls the sidewalls inward and can make the tire appear taller and more rounded. A wide wheel stretches the casing flatter and can change steering feel, rim protection, and shoulder wear. When buyers are trying to keep original proportions or avoid clearance surprises, wheel width is just as important as matching the 13-inch rim diameter.
Is the 185/60R13 suitable for a judged period-style restoration?
The 185/60R13 is a radial size, so it may suit restorations of vehicles that originally used metric radials or later-period replacement tires. For a car being judged on strict factory-era authenticity, buyers should confirm whether radial construction and a 60-series metric profile match the vehicle's original delivery specification.
Many owners choose radial construction because it can improve everyday drivability, but judged originality and road-use priorities are not always the same thing. If authenticity matters, compare the sidewall profile, wheel diameter, and original handbook or placard information before assuming any modern radial replacement captures the exact look and feel of the car's original fitment.
Performance & Driving Experience
How does the 185/60R13 feel on the road compared with a taller tire size?
The 185/60R13 uses a 60-series sidewall, so it generally has a shorter, firmer profile than a taller metric tire on the same wheel diameter. With only 4.37 inches of sidewall, it tends to emphasize quicker steering response and a more immediate feel over the softer, more cushioned character of a taller sidewall.
Road feel still depends on the full setup, including suspension condition, alignment, inflation, and tire age. On a well-sorted passenger car, this size usually preserves a compact, responsive proportion. If the vehicle originally used a taller tire, switching to a lower-profile size can also change ride quality and the visual balance within the wheel opening.
What does radial construction mean for the driving experience of the 185/60R13?
Radial construction usually gives the 185/60R13 a more modern on-road character than older bias-ply designs. Drivers often notice steadier tracking, more predictable cornering feel, and less of the wandering or tread squirm that can accompany vintage construction on grooved or uneven pavement.
Driving behavior is never determined by construction type alone. Steering feel, braking response, and ride quality also reflect wheel width, suspension bushings, alignment settings, and how old the tires are. Buyers using this size on an older vehicle should think about the whole system rather than expecting the tire alone to correct worn chassis components.
How can the 185/60R13 affect gearing feel and speedometer behavior?
The 185/60R13 stands 21.74 inches tall and turns about 927.7 revolutions per mile, so its diameter has a direct effect on gearing feel and instrument readings. A shorter substitute will spin more times per mile and can make the car feel slightly shorter-geared, while a taller one does the opposite.
Those changes are especially noticeable on smaller cars where tire diameter has a bigger influence on cruising rpm and launch feel. When buyers compare alternatives, it helps to look at overall diameter and revolutions per mile together rather than width alone, because a tire can fit the wheel and still alter the way the car behaves on the road.
Tire Brands & Quality
What brand is available in the 185/60R13 size?
Michelin is available in the 185/60R13 size on this page. That gives buyers a clear brand reference point in a compact metric radial fitment that is often chosen for practical road use rather than for a wide mix of appearance-driven restoration options.
Brand selection should still be tied to the vehicle's needs, not the name alone. Buyers should confirm the tire's wheel-width compatibility, sidewall style, load requirements, and intended road use, then choose a matched set if consistent response and appearance matter. Keeping all four tires in the same construction and series is usually the cleaner approach.
What should buyers look for in quality when choosing the 185/60R13?
Quality in the 185/60R13 starts with correct sizing, consistent radial construction, and a tire that matches the car's real use. Buyers should focus on whether the casing dimensions, load capability, and speed category suit the vehicle rather than treating all tires with the same printed size as interchangeable.
A good choice in this size also means checking details that affect how the tire sits and performs, including the 5.00 to 6.50 inch wheel-width range and the compact 60-series profile. On an older car, quality is not only about manufacturing reputation but also about how well the tire preserves proper clearance, steering response, and balanced set behavior.
Does sidewall style matter when selecting the 185/60R13?
Yes, sidewall style matters because it affects the look of the car even when the basic dimensions are correct. In this size, the available product uses a blackwall sidewall, which suits a straightforward late-model or late-1980s passenger-car appearance better than a specialty styling treatment would.
Appearance should be matched to the vehicle's character and the owner's goals. A blackwall can look more natural on compact sporty applications, while buyers chasing a different visual theme may need to compare other sizes or constructions. Even so, appearance should come after the essentials of diameter, wheel fit, load needs, and clearance.
Maintenance & Longevity
How often should the 185/60R13 be inspected on a regularly driven car?
The 185/60R13 should be inspected regularly for uneven wear, sidewall cracking, cuts, bulges, and steady air loss, especially if the car is driven at highway speeds or sits for stretches between uses. A compact radial can look acceptable at a glance while still developing age-related or impact-related issues that deserve attention.
Routine checks are most useful when they include the whole wheel-and-tire system. Look for shoulder wear that could point to alignment or wheel-width concerns, and review the current sidewall markings before longer trips. Frequent inspection matters as much on low-mileage older cars as on daily drivers, because time and environment age tires even when tread remains.
Does the 185/60R13 normally use a tube?
The 185/60R13 is normally a tubeless fitment. Tube use is still a wheel-and-tire-system question rather than a size question, so the actual tire, wheel design, and manufacturer guidance should be confirmed before installation.
Modern radial passenger sizes like this are commonly paired with tubeless wheel setups, but an older wheel, a damaged rim, or a specialty application can change the decision. Buyers working with refurbished original wheels should inspect bead seat condition carefully and confirm that the wheel itself is appropriate for tubeless service before assuming the size alone settles the issue.
How should the 185/60R13 be cared for if the vehicle is driven only occasionally?
Occasional-use vehicles on 185/60R13 tires still need regular pressure checks, periodic movement, and inspection for aging. Tires can develop flat spotting, sidewall weathering, or internal deterioration from time, sunlight, heat, ozone exposure, and long stationary periods even when tread wear is minimal.
Storage conditions make a real difference. Keep the vehicle away from strong electric motors, direct sun, and damp heat, and move it often enough to avoid leaving one patch of tread under load for months at a time. If the car returns to the road after storage, inspect each tire closely before sustained higher-speed driving.
Safety & Regulations
When should the 185/60R13 be replaced even if it still has tread?
The 185/60R13 should be replaced when age or condition raises concern, not only when tread depth is low. Cracking, bulges, repeated air loss, impact damage, vibration, or visible casing distortion are all warning signs that matter on a radial passenger tire, especially on an older vehicle that may not be driven enough to wear tires out normally.
Time can be as important as mileage. Buyers should inspect the sidewalls, tread area, and inner surfaces if accessible, then review the tire's age and service history before long trips. If there is any doubt about condition, wheel compatibility, or prior repairs, a qualified tire professional should examine the tire before continued road use.
Is the 185/60R13 appropriate for modern road use?
The 185/60R13 is a modern radial passenger-car size, but suitability for current road use still depends on the actual tire's condition, speed category, load match, and wheel setup. The product shown in this size carries an H speed rating, and buyers should confirm the current sidewall markings on the tire they plan to use.
Roadworthiness is more than the printed size. A fresh, properly matched tire on a sound 13-inch wheel is a very different situation from an aged tire on a questionable rim. Before regular highway driving, inspect the tire carefully, verify wheel width and clearance, and make sure the vehicle's suspension and alignment are in proper operating condition.
What safety checks matter most before taking the 185/60R13 on a longer trip?
Before a longer trip, the most important checks for the 185/60R13 are tire age, visible condition, inflation, and wheel fit. Buyers should inspect for cracking, punctures, bulges, irregular wear, and any sign of bead or sidewall damage, then confirm that the tire is mounted on a 13-inch wheel within the 5.00 to 6.50 inch width range.
Longer drives place more sustained heat and load into the tire than short local use, so small issues become more important. It also helps to recheck lug torque, suspension condition, and spare-tire readiness before departure. When an older car is involved, careful pre-trip inspection is often the difference between a confident drive and preventable trouble.