Ferrari Mondial Tires

Ferrari Mondial was Ferrari’s practical mid-engine 2+2 grand touring coupe and cabriolet line of the 1980s, built to deliver exotic performance with more usable cabin space than many of its stablemates. The 1983 through 1985 Ferrari Mondial sits squarely in that era of advanced European chassis tuning, where wheel and tire technology became part of the car’s engineering rather than a simple replacement item. Tire selection for Ferrari Mondial is not trivial because it uses the distinctive Michelin TRX metric wheel-and-tire system instead of a conventional inch-based fitment. Before choosing a tire, the first check is confirming that the car still carries its original 390mm TRX wheels.

Ferrari Mondial Tire Size Guide

240/55R3901983-1985

Ferrari Mondial uses one distinct tire size across the 1983 to 1985 production span: 240/55R390, offered here in Michelin TRX-B radial form. In this metric size, 240 is the section width in millimeters, 55 is the aspect ratio, R indicates radial construction, and 390 is the rim diameter in millimeters rather than inches. The available product is built for 390mm TRX wheels, with listed rim widths of 150mm, 165mm, and 195mm, so it is important to confirm the car still retains the correct metric wheel system. This fitment is appropriate for owners preserving the period-correct TRX setup that defined many high-performance European cars of the era.

Ferrari Mondial Tires by Year

The year listing breaks Ferrari Mondial tire fitment out by model year so you can match the car to the correct size before moving on to product selection. All 1983 through 1985 Ferrari Mondial applications here use the same 240/55R390 metric radial size, so the key check is whether the car still wears its original 390mm TRX wheels.

Best Ferrari Mondial Tires for Sale

Available Ferrari Mondial tires cover 1 size across 1 product from 1 brand. Confirm the car’s TRX metric wheel size and the exact 390mm rim before selecting.

240/55R390 Products

These are the available products for 240/55R390.

Michelin TRX

Michelin TRX-B | 240/55VR390

Michelin - Michelin TRX-B

SidewallBlackwall
Rim Diameter390mm in
Rim Width150mm, 165mm, 195mm in
Weight31 lb
Max Load—
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Frequently Asked Questions

The questions below focus on the unusual TRX metric fitment used by Ferrari Mondial from 1983 to 1985, including what the size code means, how to verify the correct wheel, and how to care for a low-mileage collector car on radial tires.

Size Basics & Fitment

Ferrari Mondial models covered here for 1983, 1984, and 1985 use one tire size: 240/55R390. The available radial product is a Michelin TRX-B in 240/55VR390, and it fits a 390mm metric rim rather than a conventional 15-inch or 16-inch wheel. That metric rim dimension is the critical fitment detail on this application.

A Ferrari Mondial that still has its original TRX wheel system should be matched to that 390mm size, not to an inch-based substitute chosen by appearance alone. Checking the wheel stamping, the car’s existing tire markings, and restoration records is the best way to confirm that the car remains on the correct metric-wheel setup.

The Ferrari Mondial size code 240/55R390 is a metric radial designation. The 240 is the tire’s section width in millimeters, the 55 is the aspect ratio, the R identifies radial construction, and the 390 is the wheel diameter in millimeters. That last number matters because it is not interchangeable with a similarly sized inch-based wheel.

Owners often recognize the width and profile but overlook the metric rim diameter, which is where fitment mistakes happen on TRX-era cars. If the tire sidewall or wheel markings show 390, the car is using the correct metric system and should stay with that matching tire and wheel combination.

Ferrari Mondial applications listed here use a 390mm rim diameter. The available tire is a Michelin TRX-B radial made specifically for that metric wheel size, with listed rim widths of 150mm, 165mm, and 195mm. No alternate rim diameter is listed for the 1983 through 1985 Ferrari Mondial range covered here.

That makes wheel verification straightforward: the car should carry 390mm TRX wheels if it remains in this fitment family. If a previous owner converted the car to inch-based wheels, the tire choice changes completely, so inspect the actual wheel before assuming the original metric size still applies.

Buying the Right Tire

A 1983 Ferrari Mondial in this range uses 240/55R390. The most reliable confirmation is to inspect the existing wheel and tire markings for the 390mm TRX specification and compare them with the car’s service history or restoration paperwork. Because only one size is listed for 1983, the main issue is verifying that the original metric-wheel system is still present.

If the car remains on TRX wheels, matching that 390mm metric size preserves the intended relationship between the tire and wheel. If the wheels have been changed at some point in the car’s life, select tires by the actual wheel installed rather than by the original year alone.

Ferrari Mondial tires in this fitment are available here in Blackwall form. That suits the period character of an early-1980s Ferrari, where a clean black sidewall is consistent with the car’s original high-performance European look. No alternate sidewall style is listed for this Mondial size.

For a restoration or preservation-minded owner, that keeps the visual decision simple. The main focus should be maintaining the correct TRX metric fitment and overall tire condition rather than searching for decorative sidewall variations that were not part of this listed offering.

Ferrari Mondial tires in this size are represented here by Michelin. The available product is the Michelin TRX-B radial in 240/55VR390, which matches the metric TRX wheel system used on these 1983 to 1985 applications. No other brand is listed in this fitment group.

That means the buying decision is less about choosing among multiple manufacturers and more about confirming the car’s wheel system and preserving the correct metric fit. On a car like Ferrari Mondial, correct sizing and wheel compatibility matter more than trying to force a modern inch-based alternative onto an original TRX rim.

Maintenance & Longevity

Ferrari Mondial should be stored on a clean, dry surface away from direct sunlight, ozone sources, and major temperature swings. Keeping the tires properly inflated, moving the car periodically, and avoiding long-term contact with petroleum products all help reduce flat-spotting and sidewall stress. A climate-stable garage is much better for tire life than a damp or sun-exposed space.

If the car sits for extended periods, many owners either roll it occasionally or support it in a way that reduces prolonged static loading. Collector cars with low annual mileage often age their tires out before wearing them out, so storage habits matter just as much as driving habits.

Tires on a Ferrari Mondial should be inspected regularly, even if the car is driven only occasionally. Check for cracking, weathering, uneven wear, punctures, pressure loss, and any sign that the tire is no longer seating or running correctly on the wheel. A car that spends much of its life parked still needs routine visual and pressure inspections.

A practical schedule is to inspect before every drive and to give the tires a more thorough review at seasonal intervals. Because Ferrari Mondial uses a specialized metric fitment here, owners should also watch for any mismatch between the tire and wheel markings that could signal an earlier wheel change or incorrect replacement.

Ferrari Mondial tires should be replaced when age, cracking, hardening, impact damage, persistent vibration, or structural concerns appear, even if the tread still looks usable. Collector-car tires often spend more time aging than wearing, so a tire can become unsuitable long before the tread is gone. Condition and age matter as much as visible depth on the tread face.

If the car has been dormant for years, have the tires evaluated carefully before putting the car back into regular use. That is especially important on a performance-oriented car like Ferrari Mondial, where higher speeds, braking loads, and heat can expose age-related weakness that may not be obvious during casual garage inspection.

Restoration & Authenticity

Ferrari Mondial fitments here are centered on the Michelin TRX system in 240/55R390 form, with a Michelin TRX-B radial available for 1983 through 1985 applications. That places the car firmly in the metric-wheel performance era, where tire and wheel design were engineered together. No alternate original-style series is listed in this fitment group.

For a factory-style restoration, preserving the correct TRX wheel-and-tire relationship is usually more important than chasing cosmetic details alone. Owners seeking concours-level accuracy should compare the car against factory literature, surviving original equipment, and Ferrari marque references to confirm how their specific car was delivered.

Correct tire fitment can absolutely affect how a Ferrari Mondial is viewed in restoration, preservation, and judging circles. Cars from the TRX era are often evaluated not just on overall condition but on whether they retain the proper type of wheel-and-tire system for the period. A visibly incorrect tire profile or wheel format can stand out quickly on a car with strong original design cues.

For owners concerned with authenticity, keeping the proper 390mm metric fitment supports the car’s historical presentation and can help avoid avoidable deductions in detail-oriented judging. Ferrari clubs and marque specialists are the best references when the goal is to match a particular chassis or restoration standard as closely as possible.

Ferrari Mondial tires in this fitment are offered here as Blackwall tires, and that appearance aligns naturally with the performance-focused Italian look of the early 1980s. A black sidewall keeps attention on the wheel design and body shape rather than adding a decorative sidewall treatment. No whitewall or other sidewall variant is listed for this application.

For restoration-minded owners, that makes Blackwall the sensible visual choice within this fitment family. Matching the proper metric TRX size and maintaining the correct stance will usually contribute more to an authentic Mondial presentation than minor cosmetic tire variations.

Safety & Road Use

A correctly fitted, properly maintained radial tire in the right 240/55R390 size can be suitable for public-road use on Ferrari Mondial, provided the rest of the car is equally roadworthy. Tire safety depends on age, condition, inflation, wheel integrity, alignment, and the mechanical state of the car as a whole. The correct metric TRX fit is the foundation of that evaluation.

Before any serious road use, inspect the tires closely and make sure the wheel-and-tire combination is exactly matched. Even a premium tire cannot compensate for age damage, neglected suspension components, or a wheel mismatch, so road safety on a collector Ferrari should always be approached as a complete-system check.

Before driving a Ferrari Mondial, check tire pressure, visible sidewall condition, tread condition, wheel integrity, and any signs of vibration or prior impact damage. Confirm that all four tires match the intended metric 390mm TRX fitment and that there are no age-related cracks or leaks. A quick pre-drive inspection is especially worthwhile on a car that is used intermittently.

It also makes sense to look beyond the tires to the suspension, brakes, and steering because collector cars can develop issues while parked. On a performance car like Ferrari Mondial, even small tire or chassis problems can become noticeable quickly once the car is up to speed.

Appropriate speed in a Ferrari Mondial depends less on the car’s capability than on the present condition and age of the tires fitted to it. The listed tire is a modern radial in the proper metric fitment family, but any collector car should be driven progressively and only after careful inspection. Aged, stored, or questionable tires should never be treated as if they were fresh performance rubber simply because tread remains.

The practical approach is to begin at moderate speeds, evaluate ride quality and stability, and increase pace only when the entire car proves sound. If there is any doubt about tire age, storage history, or condition, keep use conservative until a qualified inspection confirms that the tires are suitable for normal road driving.