Plymouth Champ Tires

Plymouth Champ fitment includes 155R13 and 175/70R13 from 1979 through 1982, 6.15-13 for 1979, and 6.15R13 for 1980 and 1981. The available products tied to the current range all use 13-inch rims, and the listed tire families cover both narrower and wider radial-style fitments for the same general model run.

The practical step is to match the exact size to the specific year and equipment on the car rather than assuming every Plymouth Champ used the same tire. A car with 155R13 may not want the same section width or profile as one specified for 175/70R13, even though both mount on 13-inch wheels.

On a Plymouth Champ, 6.15-13 is an older numeric size convention in which 6.15 refers to nominal section width in inches and 13 refers to the wheel diameter in inches. Unlike modern metric radial sizing, it does not include an aspect ratio, and the dash-format version is typically associated with bias-ply sizing language.

That matters because 6.15-13 should not be treated as interchangeable with every other 13-inch Plymouth Champ size without checking the intended application. If a 1979 Plymouth Champ is being restored or carries period-style fitment notes, verify whether the car calls for this older numeric size or one of the metric radial alternatives.

A 1979 Plymouth Champ has 155R13, 175/70R13, and 6.15-13 listed because multiple size conventions were used during that model year. Since all of them are tied to 13-inch wheels, the split is not a wheel-diameter change but a configuration or equipment difference within the Plymouth Champ line.

The right way to sort that out is to inspect the car itself and compare the current wheel and tire markings with original paperwork, door-label information, or marque references. That approach is more reliable than selecting by year alone, especially on cars that may have seen wheel or tire changes during their service life.

The Plymouth Champ sizes listed here all use a 13-inch rim diameter. That includes the metric radial sizes 155R13 and 175/70R13 as well as the numeric-style 6.15-13 and 6.15R13 entries, so the variation is in tire size format and width rather than wheel diameter.

Even with a consistent 13-inch wheel, fitment still depends on the exact tire size family and, in some cases, wheel width. If a Plymouth Champ currently wears non-original wheels or replacement tires, confirm the actual rim stamping before settling on a size, especially when moving between the narrower 155-section fitment and the wider 175/70 radial.

A 1980 Plymouth Champ can use 155R13, 6.15R13, or 175/70R13, so the correct tire size depends on the specific configuration of the car. All three fit 13-inch wheels, but they differ in section width and sizing convention, which means they should not be treated as automatic substitutes for one another.

Start by checking the size printed on the existing tires and confirming that the wheels are original to the car. If the car is being restored or has an uncertain history, compare what is on the vehicle with original paperwork or a Plymouth specialist reference so the chosen tire matches both appearance and intended fit.

The available Plymouth Champ products in the listed range use blackwall sidewalls. That applies to the current 155R13 and 175/70R13 product offerings, which suit the understated, practical appearance expected on a late-1970s to early-1980s compact like the Plymouth Champ.

For a buyer, that means the visual decision is straightforward compared with many older collector vehicles that offered wide whitewalls or multiple period sidewall treatments. The more important choice on a Plymouth Champ is getting the correct size and profile for the year and configuration, since that has a larger effect on both stance and overall authenticity.

The currently listed Plymouth Champ tire options come from Michelin, Dunlop, and Avon. Michelin and Dunlop appear in the 155R13 range, while Avon appears in 175/70R13, giving the Plymouth Champ buyer a mix of period-flavored European radial options across the sizes represented by available products.

Brand selection should come after size confirmation, not before. Once the correct Plymouth Champ size is established, the remaining decision comes down to the product type that best fits the car’s intended use, whether that is restoration-minded presentation, occasional road driving, or a more performance-oriented period radial character.

The listed Plymouth Champ products include Michelin XAS-FF, Dunlop SP Sport Aquajet, and Avon CR6ZZ series. All three are radial designs, but they represent different product families with their own tread design, handling character, and intended period feel within the broader world of classic-compatible radial tires.

For a Plymouth Champ owner, the practical difference is less about basic fit and more about matching the car’s use and presentation once the correct size is chosen. A narrower 155-size car can be matched to the Michelin or Dunlop offerings in that fitment, while a car specified for 175/70R13 follows the Avon path instead.

A Plymouth Champ should be stored on a clean, dry surface away from direct sunlight, ozone sources, and large temperature swings. Keeping the tires properly inflated during storage helps preserve sidewall shape, and moving the car occasionally can reduce the chance of flat spotting on a collector vehicle that sees only intermittent use.

Long-term storage is easier on Plymouth Champ tires if the suspension is not left heavily loaded for months at a time. Owners who keep the car parked for extended periods often benefit from periodic pressure checks and a simple routine of rolling the car slightly so one section of the tire is not carrying the same load continuously.

Tires on a Plymouth Champ should be inspected before any meaningful drive and more thoroughly at regular intervals even if the car is rarely used. Look for sidewall cracking, tread separation, impact damage, irregular wear, and changes in inflation pressure, all of which matter on a lightweight late-classic car that may spend long periods parked.

Collector cars often age out their tires before they wear them out, so calendar time matters as much as mileage. A good routine is a quick visual check before driving and a more deliberate inspection during seasonal maintenance, including looking at the inner sidewalls and verifying that all four tires still match the intended size and construction.

Plymouth Champ tires should be replaced when age-related cracking, hardening, separation, impact damage, or persistent air loss appears, even if tread depth still looks acceptable. Low-mile collector use can hide deterioration because the tire may retain an attractive appearance while losing the flexibility and structural confidence needed for road use.

Replacement timing should be guided by condition, age, and use rather than tread alone. If a Plymouth Champ has spent years parked, or if the tires are of uncertain age, have them evaluated before regular driving so the car is not relying on rubber that looks serviceable but no longer behaves like a healthy tire.

Plymouth Champ fitment in this year range includes 155R13 and 175/70R13 across 1979 through 1982, with 6.15-13 appearing in 1979 and 6.15R13 in 1980 and 1981. That mix shows that more than one tire specification was used during the model run, rather than one single Plymouth Champ size covering every year and configuration.

For restoration work, the exact original tire depends on the specific year and how the car was equipped when new. The best path is to compare the vehicle’s existing wheels, surviving labels, and original literature so the finished Plymouth Champ reflects the correct size family for that particular car rather than a general model-wide average.

Correct tire fitment can affect both presentation and judging on a Plymouth Champ because size, sidewall profile, and overall stance are part of how the car reads to an informed observer. A tire that is technically mountable on a 13-inch wheel can still look wrong if it does not match the size family associated with the car’s year and configuration.

That matters most when a Plymouth Champ is being preserved as a faithful survivor or entered in marque-sensitive events. Keeping the tire size consistent with period fitment practices helps the car retain proportion and credibility, and club or marque references are often the best guide when two or three plausible sizes appear within the same model year.

Blackwall is the sidewall style represented in the available Plymouth Champ tire range here, and it aligns well with the practical compact-car character of the late-classic period. On a Plymouth Champ, sidewall presentation is generally less complicated than on earlier collector cars because the period favored cleaner, more restrained blackwall radial appearances.

For restoration purposes, sidewall correctness should support the overall look of the specific car rather than overpower it. If the goal is an authentic Plymouth Champ presentation, keeping the correct size and a blackwall sidewall together will usually do more for the car’s visual accuracy than chasing a different look that was not typical of its era.

A Plymouth Champ can be driven on public roads when it is fitted with the correct size, the tires are in sound condition, and the rest of the car is mechanically healthy. The currently listed available products for this application are radial tires, which suit the late-classic character of the Plymouth Champ far better than treating it like an earlier low-speed collector vehicle.

Road safety still depends on matching the exact tire size to the car and verifying age, inflation, and overall condition before use. A compact car like the Plymouth Champ is sensitive to tire size changes, so using the wrong width or profile can affect steering response, ride height, and clearance even when the wheel diameter is correct.

Before driving a Plymouth Champ, check tire pressure, visible sidewall condition, tread condition, and whether all four tires match the intended size for the car. Since Plymouth Champ fitment includes several 13-inch size conventions, it is also wise to confirm that the tire size on the car matches the wheel and the year-specific application you intend to run.

A short pre-drive routine can prevent most avoidable tire-related problems on a lightly used collector car. Along with the tires themselves, look for rubbing marks, bent wheels, and signs that the car has been sitting long enough to develop flat spotting, especially if it has spent part of its life stored rather than driven regularly.

A Plymouth Champ should be driven at speeds appropriate to the condition, size, and age of the tires actually fitted, not simply by what the car was capable of when new. Because available Plymouth Champ products in this range are modern-made radial designs, they are better suited to normal collector-car road use than aged or uncertain old tires would be.

The key point is to let tire condition set the pace. If a Plymouth Champ is on fresh, correctly sized radial tires and has been mechanically inspected, it can be used far more confidently than a car riding on old, hardened, or mismatched rubber, where conservative speeds and short trips are the wiser approach.