The 1991 Oldsmobile Cutlass Supreme sits in an interesting spot in early-1990s American car design, blending front-wheel-drive practicality with a sleeker, more aerodynamic look than the Cutlass models that came before it. Buyers today often find that tire selection on this car is less about one universal fitment and more about matching the exact trim and suspension package. This Oldsmobile uses radial tire fitments in four distinct sizes: 195/75R14, 205/70R15, 215/65R15, and 225/60R16. Available choices range from traditional whitewall treatments to blackwall, redline, raised white letter, and raised yellow letter styles. Getting the right result starts with confirming the sub-model and wheel diameter before comparing appearance, series, and road-use priorities.
Which Tire Size Is Right for The 1991 Oldsmobile Cutlass Supreme
The 1991 Oldsmobile Cutlass Supreme uses four different primary tire sizes, and the correct one depends on the exact sub-model and wheel setup. These fitments are all radial, but they span 14-inch, 15-inch, and 16-inch rims, so confirming the specific trim and actual wheel diameter comes first. Once that is settled, the decision shifts to sidewall style, tire series, and whether the car is being kept stock-looking or given a more performance-oriented presentation.
195/75R14 is a metric radial size in which 195 identifies the nominal section width in millimeters, 75 is the aspect ratio, R indicates radial construction, and 14 is the rim diameter in inches. On the 1991 Oldsmobile Cutlass Supreme, this size suits configurations that use a 14-inch wheel and keeps the sizing in a traditional passenger-car radial format. Available choices include Coker Classic, Tornel, Maxxis, and Travelstar, with wide whitewall and narrow whitewall presentations across several classic-style series. This size makes sense when preserving the proper wheel diameter and a more traditional visual character matters as much as basic fitment.
205/70R15 is a metric radial size that combines a 205-millimeter nominal section width with a 70-series profile on a 15-inch rim. For the 1991 Oldsmobile Cutlass Supreme, it is one of the key 15-inch fitments and appears on more than one sub-model, making wheel confirmation especially important before selection. Product choices range from blackwall sport-oriented offerings from Michelin, Avon, and Dunlop to wide whitewall and narrow whitewall options from American Classic, Coker Classic, Maxxis, Tornel, and Travelstar. It is a useful size for owners balancing stock-style dimensions with a broad mix of appearance and road-use personalities.
225/60R16 is a metric radial size with a 225-millimeter nominal section width, a 60-series aspect ratio, and a 16-inch rim diameter. On the 1991 Oldsmobile Cutlass Supreme, this fitment belongs to specific trims using a 16-inch wheel, so it should not be chosen simply because it shares the same model name. Available products include Goodyear, BFGoodrich, and Travelstar options with raised yellow letter, redline, pin-white-stripe, wide whitewall, and narrow whitewall styling. This size is the right place to look when the car already carries the 16-inch setup and the goal is to match both wheel diameter and visual attitude.
Fit(s): SL w/Sport Suspension and w/Sport Suspension
Construction: Radial|Rim: 15 in
215/65R15 is a metric radial size in which 215 represents nominal section width in millimeters, 65 is the aspect ratio, and 15 is the wheel diameter in inches. For the 1991 Oldsmobile Cutlass Supreme, this size is tied to sport suspension applications, so identifying the suspension-related sub-model matters before moving ahead. Choices include Goodyear, Cooper, and BFGoodrich products with OWL, raised white letter, redline, and wide whitewall styling across Eagle GT, Cobra Radial G/T, Radial T/A, and Silvertown Radial lines. It is the fitment to evaluate when a 15-inch sport-oriented setup is already part of the car’s configuration.
Sub-model fitment on the 1991 Oldsmobile Cutlass Supreme is not one-size-fits-all. Tire selection changes with trim and suspension package, so identifying the exact sub-model and confirming the wheel diameter are the first steps before comparing sidewall style or tire series.
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1991 Oldsmobile Cutlass Supreme Base
The 1991 Oldsmobile Cutlass Supreme Base uses either a 14-inch or 15-inch radial fitment, depending on the wheel setup on the car. That makes wheel-diameter confirmation especially important before choosing among whitewall or blackwall-oriented replacement options.
The 1991 Oldsmobile Cutlass Supreme International uses a single 16-inch radial fitment. Tire selection here is more straightforward, so the main choice becomes sidewall treatment and overall presentation rather than sorting between multiple primary sizes.
The 1991 Oldsmobile Cutlass Supreme SL can use either a 15-inch or 16-inch radial tire size. Choosing correctly starts with confirming which wheels are on the car, then narrowing the field by appearance preference and the character of the available tire series.
The 1991 Oldsmobile Cutlass Supreme SL w/Sport Suspension uses a 15-inch radial fitment tied to that suspension-specific configuration. That gives owners a clear starting point, with the next decision focused on sportier lettered sidewalls, redlines, or a more traditional whitewall look.
The 1991 Oldsmobile Cutlass Supreme w/Sport Suspension also uses the 15-inch sport-suspension radial size. Once that fitment is confirmed, the buyer can compare tire series and sidewall styles that lean either toward a performance-era appearance or a more restrained restoration-style presentation.
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 1991 Oldsmobile Cutlass Supreme Tires for Sale
Available 1991 Oldsmobile Cutlass Supreme tires span 14-, 15-, and 16-inch radial fitments from brands including Coker Classic, BFGoodrich, Goodyear, Michelin, Dunlop, Avon, Cooper, Maxxis, Tornel, Travelstar, and American Classic. Depending on size, the product grid includes whitewall, blackwall, redline, raised white letter, raised yellow letter, and OWL sidewall treatments across several distinct tire series.
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Radial Tires
Coker Classic Star Series | 2.25 Inch Whitewall | 195/75R14
Owners of a 1991 Oldsmobile Cutlass Supreme usually need to sort out trim-specific tire sizing, wheel diameter, and sidewall style before choosing a replacement. These FAQs focus on fitment, radial tire options, appearance choices, and practical checks before road use.
Tire Size & Fitment
What tire size fits a 1991 Oldsmobile Cutlass Supreme?
A 1991 Oldsmobile Cutlass Supreme can use 195/75R14, 205/70R15, 215/65R15, or 225/60R16, depending on the exact sub-model and suspension package. All of these are radial fitments, but they do not apply universally across every version of the car.
The first step is identifying the exact trim and then confirming the wheel diameter actually on the vehicle. A Base model may use either a 14-inch or 15-inch size, while other trims move into specific 15-inch sport-suspension or 16-inch applications, so selection should start with the car itself rather than the model name alone.
What size rim does a 1991 Oldsmobile Cutlass Supreme use?
The 1991 Oldsmobile Cutlass Supreme uses 14-inch, 15-inch, and 16-inch rims, depending on the sub-model and tire size. The 195/75R14 fitment uses a 14-inch rim, 205/70R15 and 215/65R15 use 15-inch rims, and 225/60R16 uses a 16-inch rim.
Because this model family spans three rim diameters, measuring or reading the wheel before buying tires is essential. That matters even more on cars that may have had wheel changes over the years, since choosing by sub-model alone can still lead to the wrong tire if the current wheel setup no longer matches the original configuration.
Why does the 1991 Oldsmobile Cutlass Supreme have more than one tire size?
The 1991 Oldsmobile Cutlass Supreme has more than one tire size because fitment changes across trims and suspension packages. Base, SL, International, and sport suspension versions do not all share the same wheel-and-tire combination, so the model line covers several radial sizes.
That means the buying decision is really about matching the exact vehicle configuration, not choosing among interchangeable sizes. Once the correct size is established, the comparison becomes more useful: sidewall treatment, tire series, rim-width compatibility, and whether the car is being kept close to a stock-style appearance or given a different visual character.
Choosing the Right Tire
What should I consider when choosing a tire for a 1991 Oldsmobile Cutlass Supreme?
Start with the correct tire size for the exact sub-model and wheel diameter, since the 1991 Oldsmobile Cutlass Supreme uses four different radial fitments. After that, compare sidewall style, tire series, brand, and any rim-width details that matter for the wheels already on the car.
A whitewall option can suit a more traditional presentation, while blackwall, redline, raised white letter, or raised yellow letter styles can push the car in a sportier direction. It also helps to think about how the Cutlass will be used, because a weekend cruiser and a regularly driven car may call for different priorities within the same correct size.
What sidewall styles are available for 1991 Oldsmobile Cutlass Supreme tires?
Depending on tire size, 1991 Oldsmobile Cutlass Supreme tires are available in wide whitewall, narrow whitewall, blackwall, redline, pin-white-stripe, raised white letter, raised yellow letter, and OWL styles. The sidewall choices vary by size, so the range is broader on some fitments than others.
That makes appearance one of the major selection points once the correct size is confirmed. A 14-inch or 15-inch fitment may lean more traditional with whitewalls, while some 15-inch and 16-inch options add stronger performance-era visual cues through lettered sidewalls or redlines that better match a sport-oriented presentation.
What brands offer tires for the 1991 Oldsmobile Cutlass Supreme?
Tires for the 1991 Oldsmobile Cutlass Supreme are available from Coker Classic, Tornel, Maxxis, Travelstar, Michelin, Avon, American Classic, Dunlop, Goodyear, BFGoodrich, and Cooper. The brand mix changes by size, so not every name appears in every fitment.
Brand selection matters most after the correct size and wheel diameter are settled. From there, compare the way each brand approaches the size you need, since some emphasize classic whitewall presentation, some focus on blackwall performance-style offerings, and others provide specialty looks such as redlines, raised letters, or bias-look styling within a radial construction.
Restoration & Appearance
Which tire should I choose for a period-style 1991 Oldsmobile Cutlass Supreme?
A period-style 1991 Oldsmobile Cutlass Supreme tire choice starts with the exact factory-type size for the trim and wheel diameter on the car, then narrows by sidewall appearance. Whitewall choices are available in several sizes, while redline, blackwall, and lettered options create a different early-1990s visual impression.
The best approach is to match the tire’s look to the car’s intended presentation rather than assuming one style suits every Cutlass Supreme. For a careful restoration, size, wheel diameter, and overall stance should come first, and exact originality questions are best checked against marque references or vehicle-specific historical material.
How does tire construction affect the appearance of a restored 1991 Oldsmobile Cutlass Supreme?
On a 1991 Oldsmobile Cutlass Supreme, the primary fitments are already radial, so the visual effect comes less from bias-ply-versus-radial choice and more from sidewall treatment and tire series. Whitewalls, redlines, blackwalls, and lettered sidewalls can each shift the car’s personality in a noticeable way.
That means a restored example can look more formal, more sporty, or more understated without changing away from the correct basic construction type. Keeping the proper size and wheel diameter is still the foundation, because even an attractive sidewall treatment can look out of place if the tire profile does not match the Cutlass Supreme’s intended stance.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1991 Oldsmobile Cutlass Supreme?
Yes, modifications can affect tire fitment on a 1991 Oldsmobile Cutlass Supreme even when the tire size is correct for a stock configuration. Aftermarket wheels, suspension changes, altered ride height, or body modifications can change the clearance relationship between the tire, fender, and steering components.
That is why actual wheel diameter and width should be checked on the car before ordering replacement tires. A Cutlass Supreme that has been lowered, fitted with non-stock wheels, or converted to another trim’s wheel package may need closer review of section width, clearance at full steering lock, and overall visual fit within the wheel opening.
What should I inspect before driving a 1991 Oldsmobile Cutlass Supreme on new tires?
Before driving a 1991 Oldsmobile Cutlass Supreme on new tires, inspect the wheels for damage, confirm the tire size matches the sub-model and rim diameter, and make sure the tires are inflated properly for the application. It also helps to verify that valve stems, lug hardware, and wheel seating surfaces are in good condition.
A short, careful check for rubbing during turning and suspension movement is worthwhile, especially if the car has non-stock wheels or suspension changes. After the first miles, recheck air pressure and look for any uneven contact or clearance issues so the new tires can settle into service without preventable fitment problems.
How should tires on a collector 1991 Oldsmobile Cutlass Supreme be maintained?
Tires on a collector 1991 Oldsmobile Cutlass Supreme should be maintained with regular pressure checks, visual inspections, and careful storage habits. Even a low-mile car can develop age-related issues such as sidewall cracking, flat spotting, or gradual air loss if it sits for long periods.
Frequent inspection matters as much as tread depth on an older hobby car. Keeping the Cutlass away from prolonged sun, heat, moisture, and ozone sources can help preserve tire condition, and periodic checks for bulges, cuts, or unusual wear patterns can reveal wheel, alignment, or suspension issues before the next longer drive.
