1964 Alvis TE 21 Tires

A 1964 Alvis TE 21 uses two primary tire sizes: 185R15 in radial construction and 775-15 in bias-ply construction. Both sizes are built for 15-inch wheels, so the choice is not about wheel diameter alone. It is mainly about whether the car is being kept in a radial-style setup or a more traditional bias-ply setup.

That distinction matters because construction, sidewall appearance, and wheel-width requirements can differ even when the rim diameter stays the same. A TE 21 that has been restored, re-wheeled, or converted in the past may not still be using its earlier tire arrangement, so the safest starting point is confirming the exact tires and wheels currently on the car before choosing replacements.

The 1964 Alvis TE 21 uses a 15-inch rim with both of its primary tire sizes. The radial 185R15 and the bias-ply 775-15 are both 15-inch fitments, so the wheel diameter remains consistent across the two main tire paths used on this car.

That does not mean every 15-inch wheel is automatically suitable for every tire choice. Rim width can vary by tire and series, so it is worth measuring the wheel before ordering, especially if the car has replacement wheels or has been off the road for years. Once the wheel width is confirmed, sidewall style and construction become much easier to narrow down.

On a 1964 Alvis TE 21, 775-15 is a vintage numeric bias-ply size. The 775 portion refers to the tire’s nominal section width in an older sizing system, and the 15 identifies the wheel diameter in inches. It is a traditional format that predates modern metric radial sizing and is commonly chosen for period-style presentation.

Understanding that older size code helps separate construction choice from simple diameter matching. A 775-15 bias-ply tire can look and feel very different from a 185R15 radial even though both use a 15-inch wheel. Owners comparing them should consider the car’s current wheels, the look they want, and whether they are restoring a traditional character or prioritizing radial-type road use.

On the 1964 Alvis TE 21, 775-15 is a bias-ply tire size. It uses the older numeric sizing format rather than a modern radial convention, and it is the traditional construction choice among the TE 21’s two primary fitment paths. The other primary size, 185R15, is the radial-format alternative on the same 15-inch rim diameter.

That difference affects more than the lettering on the sidewall. Bias-ply and radial tires can call for different wheel-width considerations and deliver a different visual presentation on the car. Anyone replacing one with the other should confirm the actual wheel size, look at clearances, and decide whether the priority is a more traditional period-style setup or a radial-format driving package.

Radial equivalents for 775-15 include 195R15 as an 80-series metric radial, P205/75R15 as a 75-series P-metric radial, P215/70R15 as a 70-series P-metric radial, and 670R15 as a bias-look radial equivalent. These sizes give a 1964 Alvis TE 21 owner several ways to move from a numeric bias-ply fitment into radial construction while staying on a 15-inch wheel.

Each of those equivalents should be treated as an alternative to evaluate rather than an automatic substitute. Rim-width guidance for the equivalent range is 5 to 7 inches, and the final choice should be checked against the wheel on the car, fender and steering clearance, and the overall look the owner wants. The bias-look radial is especially relevant when traditional appearance remains part of the goal.

A 1964 Alvis TE 21 can be set up with either 775-15 bias-ply tires or 185R15 radial tires, so the better choice depends on the car’s current configuration and the owner’s priorities. Bias-ply preserves a more traditional sizing and period-style presentation, while the radial path uses a more modern construction format on the same 15-inch wheel diameter.

The practical decision usually comes down to restoration goals, wheel compatibility, and how the car will be driven. A TE 21 kept close to a vintage presentation may lean toward 775-15, while a car prepared for regular touring may lead an owner to examine 185R15 or one of the 775-15 radial equivalents. Wheel width and clearance should be confirmed before changing construction.

Start by confirming whether the car is using 185R15 radial tires or 775-15 bias-ply tires, because both are correct-size paths for a 1964 Alvis TE 21 and both use a 15-inch rim. After that, the main considerations are construction type, rim-width compatibility, sidewall appearance, and whether the goal is touring use or a more traditional restored presentation.

Once size and construction are settled, compare the tire’s series, load figure where stated, and overall visual character. The TE 21 has enough style that sidewall treatment makes a noticeable difference, especially when choosing between blackwall, redline, narrow whitewall, or specialty vintage treatments. The best selection is usually the one that matches the wheel on the car and the way the car is meant to be used.

The 1964 Alvis TE 21 has a wide spread of sidewall choices depending on tire size and construction. In 185R15 radial form, available styles include blackwall, narrow whitewall, and redline. In 775-15 bias-ply form, the selection expands to blackwall, narrow whitewall, redline, goldline, blue dot, and raised white letter blue streak treatments.

That variety gives the TE 21 owner room to shape the car’s appearance without changing the basic wheel diameter. A blackwall usually keeps the presentation restrained, while whitewall, redline, or goldline treatments add stronger period character. The right choice depends on how the car is restored, the look of the wheels and trim, and whether the owner wants subtle British touring style or a more pronounced vintage statement.

Several brands offer tires for the 1964 Alvis TE 21. The 185R15 radial size is available from Coker Classic, Michelin, Avon, and Universal Vintage Tire, while the 775-15 bias-ply size is available from BFGoodrich, Firestone, and Goodyear. Those brands appear across multiple series and sidewall treatments rather than one uniform tire style.

Brand choice is best viewed as part of the overall fitment picture, not as a shortcut to the answer. Some owners will narrow the field first by deciding on radial or bias-ply construction, while others will start with sidewall style or rim-width compatibility. Looking at the series, sidewall treatment, and wheel requirements usually gives a clearer direction than choosing by brand name alone.

For a period-style 1964 Alvis TE 21, the first place to look is the 775-15 bias-ply size because it preserves the older numeric sizing format and a traditional tire profile. Within that size, there are multiple vintage-style presentations, including blackwall, narrow whitewall, redline, and goldline, depending on how restrained or expressive the finished car is meant to appear.

A restoration-oriented choice should match both the car’s visual era and its current wheel setup. Some owners may still prefer a radial route for regular road use, especially with a bias-look radial available as an alternative to 775-15. When exact originality matters, marque references, historical photos, and vehicle-specific documentation are still the best way to narrow the final appearance details.

Tire construction has a visible effect on a restored 1964 Alvis TE 21 because the car’s proportions and coachbuilt styling respond strongly to sidewall shape and tread-era character. A 775-15 bias-ply setup usually gives the most traditional vintage presentation, while a 185R15 radial introduces a more modern tire format even though it remains appropriate to the car’s 15-inch wheel diameter.

That visual difference is often just as important as the technical difference. Owners aiming for a classic grand touring look may prefer the older bias-ply format or a bias-look radial, while those building a car for more regular road use may accept the more modern radial appearance. Sidewall treatment then fine-tunes the result, especially when choosing among blackwall, whitewall, redline, or goldline styles.

Yes, modifications can affect tire fitment on a 1964 Alvis TE 21 even when the tire size itself appears correct. Aftermarket wheels, changes in wheel width, suspension work, ride-height changes, or body repairs can all alter the space available for a 185R15 or 775-15 tire. The car may still use a 15-inch rim, but the full fitment picture can change.

That is why an owner should inspect the actual wheel and chassis setup before choosing a replacement tire. Check the wheel width, look for signs of non-original offset, and turn the steering from lock to lock to watch for clearance issues. A car restored years ago may not match its earlier configuration anymore, so current measurements matter more than assumptions.

Before driving a 1964 Alvis TE 21 on new tires, inspect the wheels, valve stems, and mounting surfaces, then verify inflation pressure, lug security, and basic tire-to-body clearance. It also helps to check steering movement at full lock and look for any contact risk around the fenders or suspension, especially if the car has not been driven much recently.

The rest of the car deserves the same attention because tires cannot compensate for neglected mechanical condition. Examine suspension bushings, shocks, wheel bearings, and brake condition before a meaningful road test. After the first short drive, recheck pressure and look over the sidewalls and tread area for any rub marks or unusual settling that could point to a fitment issue.

Collector-car tires on a 1964 Alvis TE 21 should be maintained with regular pressure checks, periodic visual inspections, and careful storage habits. Whether the car runs 775-15 bias-ply tires or 185R15 radials, pay close attention to sidewall cracking, cuts, bulges, tread condition, and slow air loss. Low-mileage use does not prevent aging, so condition matters as much as tread depth.

A TE 21 that spends long periods parked benefits from clean, dry storage away from prolonged sunlight, heat, and ozone sources. Moving the car occasionally can help avoid long static loading in one position, and any tire that shows age-related deterioration should be evaluated before road use. Collector vehicles often see infrequent service, so a pre-drive inspection is a smart routine rather than an extra precaution.