The 1986 Renault R18i belongs to the final years of Renault's practical front-wheel-drive family-car era in the U.S., a period when European sedans and wagons balanced efficiency, ride comfort, and everyday usability. For owners keeping one on the road today, tire choice matters as much for preserving the car's character as for maintaining proper stance and drivability. The 1986 Renault R18i uses 13-inch radial fitments, with both 155R13 and 185/70R13 sizes associated with this model. Available choices range from traditional blackwall European-style radials to redline and wide whitewall options in 185/70R13. The key is confirming which size suits the car's setup and selecting a tire that matches both appearance goals and intended road use.
Which Tire Size Is Right for The 1986 Renault R18i
The 1986 Renault R18i uses two radial tire sizes, and both are built for 13-inch rims. Since the covered Sportwagon can use either 155R13 or 185/70R13, the real first step is confirming the wheel and tire setup currently on the car. From there, the choice becomes one of sizing convention, appearance, and the range of available tire options within the correct fitment.
A 155R13 is a Euro-metric radial size with a 155-millimeter nominal section width, radial construction, and a 13-inch rim diameter. In this format, the aspect ratio is not stated directly, and it is commonly treated as a traditional Euro-metric radial profile. For the 1986 Renault R18i, this size keeps a distinctly European tire presentation, with blackwall choices from Michelin and Dunlop in series such as Michelin XAS-FF and SP Sport Aquajet. It is the size to evaluate when maintaining a narrower, classic small-sedan or wagon look on the proper 13-inch wheel setup.
A 185/70R13 is a metric radial tire with a 185-millimeter nominal section width, a 70-series aspect ratio, and a 13-inch rim diameter. That makes it a more modern metric expression than 155R13 while staying within the same wheel diameter for the 1986 Renault R18i. This size offers the broadest selection, including blackwall, redline, and wide whitewall versions from brands such as BFGoodrich, Avon, Dunlop, Michelin, and Vredestein across several tire series. It is the size to compare when the car already runs this fitment or when a wider 13-inch radial setup is being evaluated carefully.
Sub-model fitment is straightforward here, but the tire choice still matters because the covered Renault R18i Sportwagon can use more than one radial size. Checking the exact sub-model and the actual wheel-and-tire setup helps narrow the selection before comparing brands, profiles, and sidewall styles.
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1986 Renault R18i Sportwagon
The 1986 Renault R18i Sportwagon is associated with both 155R13 and 185/70R13 radial tires on 13-inch rims. That makes wheel confirmation especially important, since the decision is less about construction type and more about determining which of the two radial fitments matches the wagon's current setup and intended appearance.
The tire sizes listed on this page assume factory-standard vehicle configuration. The following modifications may affect tire fitment and are not reflected in this guide:
Suspension changes (lowering, lift kits, spring replacements)
Body alterations (fender modifications, custom bodywork)
If your vehicle has been modified from factory specifications, verify tire clearance before purchase.
Best 1986 Renault R18i Tires for Sale
Available 1986 Renault R18i tire choices center on radial 13-inch fitments, with Michelin and Dunlop options in 155R13 and a wider 185/70R13 selection from BFGoodrich, Avon, Dunlop, Michelin, and Vredestein. The product grid also shows meaningful differences in tire series, sidewall style, and rim-width compatibility.
Common 1986 Renault R18i tire questions usually come down to choosing between 155R13 and 185/70R13, confirming 13-inch rim fitment, and understanding how available brands, sidewall styles, and maintenance checks affect a road-ready setup.
Tire Size & Fitment
What tire size fits a 1986 Renault R18i?
The 1986 Renault R18i is associated with two radial tire sizes: 155R13 and 185/70R13. Both sizes use a 13-inch rim diameter, so the main difference is the tire's width and sizing format rather than a change in wheel diameter or a switch between bias-ply and radial construction.
Choosing between them starts with the setup currently on the car. A Renault R18i that already has 13-inch wheels could still be running either size, so it helps to confirm the wheel width, the tire markings now installed, and the space available around the fender and suspension before selecting a replacement.
What size rim does a 1986 Renault R18i use?
The tire sizes associated with the 1986 Renault R18i both use a 13-inch rim diameter. That means either 155R13 or 185/70R13 is built around the same basic wheel diameter, even though the tire width and profile format differ between the two fitments.
Rim diameter is only part of the picture, so wheel width still deserves attention before replacing tires. Some available products in these sizes are intended for different rim-width ranges, and that can influence how the tire sits on the wheel, how it fills the wheel opening, and whether the fitment remains appropriate for the car's setup.
Does the 1986 Renault R18i Sportwagon use the same tire size?
The 1986 Renault R18i Sportwagon can use the same two radial tire sizes associated with the model core: 155R13 and 185/70R13. That means the wagon does not point to one single exclusive size; instead, both fitments are relevant within the covered Renault R18i range.
That shared fitment makes the actual wheel-and-tire package on the car more important than the sub-model name alone. Looking at the sidewall markings on the existing tires, confirming the wheel dimensions, and checking clearance can prevent ordering a size that is correct for the model family but not necessarily right for that particular Sportwagon.
Choosing the Right Tire
What should I consider when choosing a tire for a 1986 Renault R18i?
Start with the correct size for the car's current setup, since the 1986 Renault R18i is associated with both 155R13 and 185/70R13 radial tires. After confirming the size, compare practical details such as rim-width compatibility, load figures where shown, tire series, and whether the overall look should stay narrow and European-style or move toward a wider presentation.
Usage matters as much as appearance. A lightly driven collector car may prioritize period-style visual character, while a regular road car may call for a different series within the same size. It also helps to compare the wheel fit, stance, and available clearance so the selected tire suits the car rather than just matching the rim diameter.
What sidewall styles are available for 1986 Renault R18i tires?
Blackwall is the most common sidewall style available for the 1986 Renault R18i's tire sizes, and 185/70R13 also opens the door to redline and wide whitewall options. Those choices create a noticeably different look even when the tire size stays the same, especially on a car from the mid-1980s with distinct personal styling preferences.
Sidewall style should be chosen as an appearance decision after the correct size is confirmed. A blackwall tire keeps a more understated European look, while redline or wide whitewall can push the car toward a more customized or restoration-themed presentation. The sidewall treatment does not override the need to verify size, wheel width, and clearance first.
What brands offer tires for the 1986 Renault R18i?
Michelin and Dunlop both appear in 155R13 for the 1986 Renault R18i, while 185/70R13 expands the choices to BFGoodrich, Avon, Dunlop, Michelin, and Vredestein. The available tire series include Michelin XAS-FF, SP Sport Aquajet, Silvertown Radial, CR6ZZ, Sport Classic, Michelin XDX-B, and Sprint Classic.
Brand choice is most useful after narrowing the fitment to the correct size. Some buyers will focus on a traditional European look, others on sidewall styling, and others on a specific series character within 185/70R13. Comparing brand options alongside wheel requirements and intended use usually leads to a better choice than selecting by brand name alone.
Restoration & Appearance
Which tire should I choose for a period-style 1986 Renault R18i?
A period-style 1986 Renault R18i usually starts with choosing the size that matches the car's actual wheel-and-tire setup, then selecting a radial that suits the car's visual character. The narrower 155R13 keeps a traditional Euro-metric look, while 185/70R13 offers a wider stance and more visible styling choices within the same 13-inch wheel diameter.
Appearance goals should be balanced with fitment accuracy rather than chosen in isolation. Blackwall tires tend to preserve a restrained European presentation, while redline or wide whitewall choices in 185/70R13 create a more customized look. When exact originality matters, period photos, marque references, and surviving-car documentation are worth checking before finalizing the tire style.
How does tire construction affect the appearance of a restored 1986 Renault R18i?
For the 1986 Renault R18i, tire construction is simpler than on many older collector vehicles because the associated primary fitments are radial. That means the visual difference comes less from choosing between bias-ply and radial construction, and more from selecting the right size, profile style, sidewall treatment, and tire series for the car's restoration direction.
A restored R18i can look notably different depending on whether it wears a narrow blackwall Euro-metric radial or a wider 185/70R13 with a more decorative sidewall. The tire's shape and presentation influence stance and character, so matching the tire to the car's intended era feel is just as important as confirming the basic 13-inch fitment.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1986 Renault R18i?
Yes. Even though the 1986 Renault R18i is associated with 155R13 and 185/70R13 on 13-inch rims, aftermarket wheels, altered wheel width, suspension changes, or body modifications can change which size works properly on the car. A size that suits one setup may not be appropriate once those variables have been changed.
Looking beyond the sidewall size helps avoid problems. Wheel width, offset, steering clearance, and fender space all deserve a quick check before replacement tires are mounted, especially if the car has been lowered or otherwise modified over time. That extra verification matters even when the selected tire is one of the accepted Renault R18i sizes.
What should I inspect before driving a 1986 Renault R18i on new tires?
Before road use, inspect the wheels for damage, confirm the tire size matches the car's setup, and make sure each tire is mounted on the proper 13-inch rim. It also helps to check inflation, valve stems, tread seating, and basic clearance around the suspension and body before putting meaningful miles on the car.
A collector or infrequently driven Renault can hide age-related issues elsewhere, so the first drive should be approached methodically. Looking over brakes, alignment behavior, wheel fastener torque, and any signs of rubbing or uneven contact can catch setup issues early. A short local test drive is a smart final check before relying on the car for longer trips.
How should tires on a collector 1986 Renault R18i be maintained?
Tires on a collector 1986 Renault R18i should be inspected regularly for pressure loss, tread wear, sidewall cracking, bulges, cuts, and any change in how the car sits or drives. Since these cars are often used less frequently than modern daily drivers, tire condition can deteriorate from age and storage even when mileage remains low.
Proper storage habits help preserve the tires between drives. Keeping the car away from prolonged sunlight, excess heat, moisture, and ozone sources reduces premature aging, while moving the car occasionally can help avoid long-term flat spotting. It also makes sense to recheck pressure and visible condition before each outing rather than assuming low-use tires are automatically ready.
