The 1938 Cadillac V16 came from the final chapter of Cadillac’s great multi-cylinder prestige era, when design, presence, and mechanical sophistication mattered as much as outright production volume. For collectors, it sits squarely in the prewar luxury world where stance and tire presentation strongly influence how the car looks on the road and on the show field. This Cadillac uses a 750-16 bias-ply tire on a 16-inch rim. Within that size, choices include traditional blackwall and wide whitewall styles, along with several bias-ply series from Firestone, Lester, BFGoodrich, and STA. The right selection depends on whether the goal is formal prewar appearance, restoration-minded presentation, or specialized road use considerations.
Which Tire Size Is Right for The 1938 Cadillac V16
The 1938 Cadillac V16 uses one primary tire size: 750-16. It is a bias-ply fitment on a 16-inch rim, and the same size applies to the covered Base sub-model. That means the main decision is not sorting through multiple primary sizes, but choosing the right version of 750-16 for the car’s intended appearance, driving use, and restoration direction.
In the 750-16 size, the 7.50 designation refers to a nominal section width of about 7.5 inches, while the 16 identifies the rim diameter in inches. This is a traditional bias-ply format, which suits the prewar character and visual proportions of a 1938 Cadillac V16. Available choices in this size include blackwall and wide whitewall treatments, with tire series from Firestone, Lester, BFGoodrich, and STA. Selecting among them comes down to the kind of presentation you want, along with confirming wheel compatibility and the tire’s intended use.
Sub-model fitment is straightforward for the 1938 Cadillac V16. The covered Base model uses the same primary tire size, so the key step is choosing the right 750-16 tire style and series rather than sorting through different fitment sizes.
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1938 Cadillac V16 Base
The 1938 Cadillac V16 Base uses the 750-16 bias-ply tire size on a 16-inch rim. That keeps selection focused on appearance and use, such as choosing between blackwall and wide whitewall styles or comparing classic passenger-car offerings with more specialized bias-ply options.
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 1938 Cadillac V16 Tires for Sale
Available 750-16 choices span Firestone, Lester, BFGoodrich, and STA, with both blackwall and wide whitewall presentations. The product grid also shows distinct tire series, including classic passenger-car bias-ply designs and more specialized military or transport-style bias-ply options.
Owners of a 1938 Cadillac V16 usually want clarity on the 750-16 size, 16-inch rim fitment, bias-ply construction, sidewall appearance, and what to inspect before regular road use. These questions focus on those exact decisions.
Tire Size & Fitment
What tire size fits a 1938 Cadillac V16?
The 1938 Cadillac V16 uses a 750-16 tire size. This is a numeric bias-ply size mounted on a 16-inch rim, and it is the primary fitment for the covered vehicle.
That makes the buying decision more about choosing the right 750-16 tire style than deciding between multiple primary sizes. A restoration-minded owner may focus on blackwall versus wide whitewall appearance, while any car with replacement wheels should have the actual rim diameter and width checked before a new set is selected.
What size rim does a 1938 Cadillac V16 use?
The 1938 Cadillac V16 uses a 16-inch rim with its 750-16 tire size. Product offerings in this fitment commonly pair that size with a rim-width range of 5.00 to 6.00 inches.
Rim diameter is the first thing to confirm on any prewar car that may have seen wheel changes over the years. Matching the tire to the wheel’s true diameter and width helps preserve proper bead fit, sidewall shape, and clearance, especially on a large luxury car where visual proportion matters almost as much as basic fitment.
Does the 1938 Cadillac V16 Base use the same tire size?
Yes. The 1938 Cadillac V16 Base uses the same 750-16 bias-ply tire size as the covered model fitment. There is no separate primary size to sort through for that sub-model.
That simplifies the fitment side of the decision, but it does not make every 750-16 tire the same in character or appearance. The practical choice becomes whether the car needs a formal wide whitewall look, a more understated blackwall presentation, or a more specialized bias-ply design suited to how the vehicle will actually be used.
Choosing the Right Tire
What should I consider when choosing a 750-16 tire for a 1938 Cadillac V16?
Start with the correct 750-16 size and confirm that the car is still running the proper 16-inch wheels. From there, compare the tire’s construction, sidewall style, tire series, and any load or rim-width specifications that matter for the way the Cadillac will be driven or displayed.
A show-oriented restoration may lean toward the visual impact of a wide whitewall, while a more understated presentation may suit a blackwall tire. Cars that have been modified, driven more frequently, or fitted with non-original wheels deserve an extra check of wheel width, clearance, and overall vehicle setup before settling on one 750-16 option.
What sidewall styles are available for 1938 Cadillac V16 tires?
The 1938 Cadillac V16 has 750-16 tire options in both blackwall and wide whitewall styles. Those sidewall treatments create very different visual effects even though they share the same basic size and bias-ply construction.
Wide whitewalls usually deliver the stronger prewar luxury presentation many restorers want, while blackwalls give a more restrained look or suit certain specialized tire series. Appearance should be balanced with the rest of the car’s trim, wheel treatment, and intended use so the tire complements the Cadillac rather than simply matching the size.
What brands offer tires for the 1938 Cadillac V16?
Tires for the 1938 Cadillac V16 in 750-16 are available from Firestone, Lester, BFGoodrich, and STA. Those brands cover several bias-ply series and include both passenger-car style and more specialized military or transport-type offerings.
Brand choice should be considered alongside the tire’s series, sidewall treatment, and intended role on the car. A buyer comparing options for a formal restoration may focus on classic styling details, while someone evaluating a specialized blackwall tire should also review rim-width fit and the overall character of the vehicle’s wheel and suspension setup.
Restoration & Appearance
Which tire should I choose for a period-style 1938 Cadillac V16?
A period-style 1938 Cadillac V16 should begin with the correct 750-16 bias-ply size. From there, the main visual decision is usually between a traditional blackwall and a wide whitewall, depending on how formal or understated the finished car is meant to appear.
For many prewar luxury restorations, tire presentation has a major effect on the car’s stance and overall authenticity of impression. Exact originality can vary by coachwork, delivery history, and restoration goal, so buyers pursuing a highly precise result should compare the finished look against marque references, archival photos, and other vehicle-specific historical sources.
Does correct tire fitment matter for a 1938 Cadillac V16 restoration?
Yes, correct tire fitment matters a great deal on a 1938 Cadillac V16 restoration. The proper 750-16 size helps preserve the car’s intended proportions, wheel fill, and sidewall presence in a way that is especially noticeable on a large prewar luxury automobile.
Even when the wheel diameter is right, the tire’s sidewall treatment and overall presentation can change how complete the restoration feels. A Cadillac of this era benefits from careful attention to stance, wheel appearance, and tire style, so the final choice should support both the restoration theme and the way the car will actually be used.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1938 Cadillac V16?
Yes. Modifications can affect tire fitment on a 1938 Cadillac V16 even when the tire size remains 750-16. Replacement wheels, suspension work, altered ride height, or body changes can all influence clearance, wheel-to-tire relationship, and how the tire sits in the fender opening.
A car that has been updated over the decades should have its actual wheel diameter and width verified before new tires are installed. Steering clearance, fender clearance, and the condition of springs and suspension components are also worth checking, since a prewar chassis can behave very differently once fresh bias-ply tires are fitted.
What should I inspect before driving a 1938 Cadillac V16 on new tires?
Before driving a 1938 Cadillac V16 on new tires, inspect the wheels for correct size and condition, then check that the tires seat properly and hold pressure consistently. It also makes sense to review steering components, suspension condition, and brake operation before any extended road use.
Collector cars often spend long periods parked, so the full vehicle deserves attention rather than just the tire itself. Look for rubbing at full steering lock, recheck inflation after the first drives, and watch for signs of uneven wear that could point to alignment or chassis issues needing attention before regular use.
How should 750-16 tires on a collector 1938 Cadillac V16 be maintained?
750-16 tires on a collector 1938 Cadillac V16 should be maintained with regular pressure checks, visual inspections, and periodic movement of the car so one spot on the tire is not carrying the load for too long. Sidewalls and tread should be watched for cracking, cuts, bulges, or persistent air loss.
Storage conditions matter on a low-use prewar car. Keeping the Cadillac away from prolonged sunlight, heat, moisture, and ozone sources helps preserve tire condition, and an inspection before each driving season is wise. Any sign of age-related deterioration or fitment concern deserves attention before the car returns to road use.
