The 1966 Bentley T marked a new chapter for Bentley, pairing traditional British luxury with a more modern unibody-era platform and a restrained, formal presence. Owners tend to value these cars for their road manners, craftsmanship, and understated character rather than overt flash. Tire selection stays straightforward because the 1966 Bentley T uses one primary size, 815-15, in a bias-ply construction on a 15-inch rim. Available choices in that size include a traditional narrow whitewall or a whitewall-redline treatment within the BFGoodrich Silvertown Classic Bias Ply line. The real decision is how closely the tire's appearance and construction should match the car's restoration goals and intended road use.
Which Tire Size Is Right for The 1966 Bentley T
The 1966 Bentley T uses one primary tire size: 815-15. It is a bias-ply fitment for a 15-inch rim, and the covered T Series sub-model shares that same sizing, so the main choice is not between multiple primary sizes but between sidewall style, restoration presentation, and whether the current wheel setup still matches the original fitment format.
An 815-15 is a numeric bias-ply size in which the 8.15 figure represents the tire's nominal section width in inches, while the 15 identifies the wheel diameter. On a 1966 Bentley T, this is the primary period-style fitment and preserves the traditional bias-ply construction associated with the car's original era. Available choices in this size include BFGoodrich Silvertown Classic Bias Ply tires with either a narrow whitewall or a whitewall-redline sidewall treatment. This size makes sense for owners who want to stay with the original sizing format and choose appearance details that suit the car's restoration or presentation goals.
Tire fitment is straightforward across the covered 1966 Bentley T sub-models. The T Series uses the same primary size, so the focus shifts from identifying different fitments to choosing the right tire style and confirming the car still carries the expected 15-inch wheel setup.
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1966 Bentley T Series
The 1966 Bentley T Series uses the 815-15 bias-ply tire size. That keeps tire selection centered on period-style construction and appearance, with the main comparison being sidewall treatment and wheel compatibility rather than sorting through multiple primary fitments.
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 1966 Bentley T Tires for Sale
Available 815-15 choices center on BFGoodrich Silvertown Classic Bias Ply tires. The main comparison in the product grid is sidewall appearance, with both a narrow whitewall and a whitewall-redline option, plus the shared 15-inch rim fitment and 5.00 to 6.50 inch rim-width range.
Owners researching 1966 Bentley T tires usually want clear guidance on 815-15 sizing, 15-inch rim fitment, sidewall appearance, restoration-minded selection, and the checks to make before putting a collector-era Bentley back on the road.
Tire Size & Fitment
What tire size fits a 1966 Bentley T?
The 1966 Bentley T uses an 815-15 tire size. That is a numeric bias-ply fitment, and it is the primary size associated with this vehicle. The covered T Series sub-model uses the same 815-15 sizing, which keeps fitment straightforward at the year-make-model level.
The practical next step is confirming that the car still has the expected 15-inch wheels and that no previous owner changed the wheel or suspension setup. Once size is confirmed, the real choice becomes the tire's appearance and presentation, such as a traditional narrow whitewall or a more distinctive whitewall-redline treatment in the correct numeric bias-ply format.
What size rim does a 1966 Bentley T use?
The 1966 Bentley T uses a 15-inch rim with its 815-15 tire size. Available 815-15 products for this application are built for a 15-inch rim and show a rim-width range of 5.00 to 6.50 inches, which is useful when checking the wheel already on the car.
Wheel diameter matters first, but wheel width still deserves a careful look before mounting new tires. A Bentley that has been modified, restored with replacement wheels, or converted to a different wheel style may no longer match the original setup. Measuring the wheel and comparing it to the tire's usable rim-width range helps avoid appearance and fitment surprises.
Does the 1966 Bentley T Series use the same tire size?
Yes. The 1966 Bentley T Series uses the same 815-15 bias-ply tire size as the core 1966 Bentley T fitment. There is no alternate primary size shown for that covered sub-model, so buyers are not sorting through different sub-model tire diameters or multiple size families here.
That consistency makes the buying process simpler, but the tire still needs to match the wheel and the car's current condition. It is still worth checking for replacement wheels, brake upgrades, or suspension changes that can alter clearance. With the correct wheel in place, selection usually comes down to sidewall style and overall restoration presentation.
Choosing the Right Tire
What should I consider when choosing an 815-15 tire for a 1966 Bentley T?
Start with the correct size and construction. The 1966 Bentley T uses an 815-15 bias-ply tire on a 15-inch rim, so the first priorities are matching that sizing format and confirming the wheel falls within the tire's compatible rim-width range. Available options here stay within the same BFGoodrich Silvertown Classic Bias Ply family.
After size and wheel compatibility are confirmed, the choice becomes more about presentation and how the car will be used. A narrow whitewall gives a traditional look, while a whitewall-redline changes the visual character more noticeably. Buyers should also compare load capacity, check the condition of the wheels, and make sure the suspension and alignment are ready for road use.
What sidewall styles are available for 1966 Bentley T tires?
For the 1966 Bentley T's 815-15 size, available sidewall styles include a narrow whitewall and a whitewall-redline treatment. Both are bias-ply tires in the same Silvertown Classic Bias Ply series, so the sidewall appearance is the main visible distinction rather than a change in size or basic construction.
That makes sidewall choice largely an appearance decision tied to the character you want the car to present. A narrow whitewall tends to suit a more restrained luxury-car look, while the whitewall-redline brings a more stylized presentation. Either way, the wheel dimensions and overall vehicle setup still need to be confirmed before mounting new tires.
What tire series are available for the 1966 Bentley T?
The available 815-15 products for the 1966 Bentley T are part of the BFGoodrich Silvertown Classic Bias Ply series. That means buyers are choosing within one vintage-style series rather than comparing several unrelated series with different construction types or radically different design themes.
Since the series remains consistent, attention shifts to sidewall presentation and fitment details. Compare the visible styling, confirm the 15-inch wheel and usable rim width, and check the condition of wheels and suspension components before installation. On a collector Bentley, consistency in tire style often matters just as much as simply matching the size code.
Restoration & Appearance
Which tire should I choose for a period-style 1966 Bentley T?
For a period-style 1966 Bentley T, the right starting point is the original-size format: an 815-15 bias-ply tire on a 15-inch rim. Staying with the numeric bias-ply construction preserves the visual character associated with the car's era and keeps the tire's profile and presentation in line with a restoration-oriented approach.
The finer choice is usually sidewall appearance rather than size. A narrow whitewall gives a restrained, formal look that suits the Bentley T's understated design language, while a whitewall-redline creates a more customized visual statement. If exact originality matters, compare the tire choice against marque references and restoration documentation before final selection.
Does correct tire fitment matter for a 1966 Bentley T restoration?
Yes, correct tire fitment matters on a 1966 Bentley T restoration because the tire strongly influences stance, wheel presentation, and the overall period impression of the car. Using the proper 815-15 size and bias-ply construction helps keep the finished vehicle visually consistent with the expectations buyers and enthusiasts typically have for this era.
Fitment also affects more than appearance. Wheel width, tire condition, and suspension health all shape how the car sits and drives once it returns to the road. Even on a display-focused restoration, the tires should be matched to the actual wheels on the car and inspected carefully for safe road use rather than chosen on looks alone.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1966 Bentley T?
Yes. A 1966 Bentley T may no longer match its original tire setup if it has aftermarket wheels, altered ride height, brake changes, or body and suspension work. Even though 815-15 is the primary fitment, those changes can affect wheel width, steering clearance, and the space available around the tire once the car is fully loaded and moving.
That is why the wheel on the car should be measured rather than assumed to be original. Check diameter first, then width, and look closely at clearance near fenders, suspension parts, and steering components. A collector car that has changed hands several times can carry hidden fitment changes that only become obvious during installation.
What should I inspect before driving a 1966 Bentley T on new tires?
Before driving a 1966 Bentley T on new tires, inspect the wheels, valve stems, brake components, suspension condition, and alignment basics. The tires themselves should be mounted on sound 15-inch wheels that fall within the approved rim-width range, and inflation should match the tire's requirements and the vehicle's needs.
A short, cautious test drive is the right way to confirm the setup. Listen for rubbing, feel for pulling or vibration, and recheck pressure after the first outing. On a low-use collector Bentley, it is also smart to inspect the spare, look for fluid leaks that can reach the tires, and verify that the car tracks consistently under braking.
How should 815-15 tires on a collector 1966 Bentley T be maintained?
Collector-car tires like 815-15 bias-ply tires on a 1966 Bentley T should be inspected regularly for pressure loss, cracking, cuts, bulges, uneven wear, and signs of age-related hardening. Cars that are driven infrequently can develop tire issues even when tread depth still looks acceptable, so visual checks matter as much as mileage.
Storage conditions also make a difference. Keeping the Bentley away from prolonged sunlight, moisture, and ozone sources helps protect the sidewalls, while moving the car occasionally can reduce flat-spotting during long periods of inactivity. Before any longer drive, confirm inflation, inspect the tread and sidewalls again, and check that the wheels remain clean and free of damage.