In 1973, Rolls-Royce stood for formal luxury, quiet road manners, and the kind of hand-finished prestige that set the Silver Shadow and Corniche apart from ordinary premium cars. This was an era when the marque blended traditional coachbuilt character with modernized chassis engineering and a stronger emphasis on refined, high-speed touring behavior. For 1973 Rolls Royce models, both the Corniche and Silver Shadow use the same 205R15 radial size, so the decision is less about model-specific fitment and more about selecting the right sidewall appearance and product character within that shared fitment. Before choosing a tire, confirm your model, verify your 15-inch wheel, and decide whether you want a blackwall or whitewall presentation.
Which Tire Size Is Right for Your 1973 Rolls Royce
1973 Rolls Royce vehicles use one tire size across the full model range, so there is no year-level size split between the Corniche and Silver Shadow. The real choice is not between different fitment sizes, but between radial tire options with different sidewall appearance and speed-rating character. Understanding that distinction first makes it much easier to match the tire to the way the car is restored and driven.
Year(s): 1973|Fit(s): Corniche, Silver Shadow|Construction: Radial|Rim: 15 in
205R15 is a metric radial size with a nominal section width of 205 millimeters and a 15-inch rim diameter; in this older euro-metric style, the aspect ratio is conventionally understood rather than written into the code. This size is available from Phoenix and Avon in both wide whitewall and blackwall form, and speed rating varies by product because the Avon version carries a V rating with a 149 mph ceiling while the whitewall version is marked simply as 205R15. For a 1973 Rolls Royce, this is the universal fitment size for both models, so the practical choice comes down to visual presentation and the character of the individual radial tire rather than changing to a different overall fitment.
Two Rolls-Royce models are covered for 1973, and both share the same 205R15 tire size. That means year-and-make fitment is straightforward, while the more meaningful differences between models are the car's body style, presentation, and restoration goals rather than tire dimensions. Select a model below for model-specific fitment history and products.
1973 Rolls Royce Corniche
The 1973 Rolls Royce Corniche carried the marque's grand touring image into a more personal-luxury format, with elegant coupe and convertible styling derived from the Silver Shadow family. Its tires mount on 15-inch wheels, and the shared 205R15 radial fitment suits the Corniche's combination of formal appearance and long-distance road use.
The 1973 Rolls Royce Silver Shadow was the marque's signature luxury saloon, known for its restrained design, isolated ride, and modernized construction compared with earlier coachbuilt Rolls-Royce models. It also uses a 15-inch wheel with the same 205R15 radial size, making tire selection more about appearance and intended use than model-specific dimensions.
Two products are available across one tire size for 1973 Rolls Royce vehicles. The 205R15 fitment comes in radial construction from Phoenix and Avon, with wide whitewall and blackwall sidewall choices.
These FAQs focus on the shared 205R15 fitment used across 1973 Rolls Royce models, including what that size means, how whitewall and blackwall options differ, and what to check before putting a collector-era Rolls-Royce back on the road.
Size Basics & Fitment
What tire sizes fit 1973 Rolls Royce vehicles?
1973 Rolls Royce vehicles use one tire size across both model lines: 205R15. That size fits the 1973 Rolls Royce Corniche and the 1973 Rolls Royce Silver Shadow, and it mounts on a 15-inch rim. Rim-width guidance is available for some 205R15 applications at 5.50 to 6.00 inches, which is a useful check when evaluating original wheels or replacement rims.
Because both models share the same size, most buyers do not need to solve a model-by-model sizing puzzle at the year-and-make level. The more important step is confirming that the car still has the correct 15-inch wheels and then choosing the tire style that matches the car's presentation, whether that means a formal whitewall look or a more understated blackwall appearance.
What does 205R15 mean on a 1973 Rolls Royce tire?
On a 1973 Rolls Royce tire, 205R15 is an older euro-metric radial size. The 205 refers to a nominal section width of 205 millimeters, the R identifies radial construction, and the 15 is the wheel diameter in inches. Because this is an earlier metric format, the aspect ratio is not written into the size code the way it is on later metric sizes such as 205/70R15.
That matters because the size code tells you the basic dimensional family and wheel diameter, but it does not tell the whole story about appearance or product character. When replacing tires on a 1973 Rolls Royce, compare the sidewall style, speed marking, and wheel-width suitability along with the basic 205R15 code so the finished result suits both the car and the way you intend to use it.
Do all 1973 Rolls Royce models use the same tire size?
Yes. The 1973 Rolls Royce Corniche and 1973 Rolls Royce Silver Shadow both use 205R15 radial tires. There is no split here between one model using a narrower or wider year-specific size, so the year-and-make fitment is consistent across the full 1973 Rolls-Royce passenger range represented here.
That shared sizing simplifies research, but it does not make every tire choice identical. A Corniche restored for a more formal presentation may look right with a wide whitewall, while a Silver Shadow owner may prefer a blackwall radial for a more understated factory-era appearance. Once size is confirmed, the final decision usually comes down to appearance, intended driving style, and restoration priorities.
Buying the Right Tire
What sidewall styles are available for 1973 Rolls Royce tires?
1973 Rolls Royce tires in 205R15 are available in both wide whitewall and blackwall styles. Phoenix offers a 2.50-inch whitewall version, while Avon offers a blackwall version in the same size. Both are radial tires, so the sidewall choice is primarily about the car's look and the owner's presentation goals rather than changing to a different fitment family.
For a 1973 Rolls Royce, sidewall style has a strong visual effect because these cars wear a lot of body mass and trim above the wheel opening. A whitewall often reinforces the formal luxury character many owners want, especially on highly finished cars, while a blackwall gives a cleaner, more restrained look. Matching the sidewall to the car's restoration theme usually matters as much as the size itself.
What brands make tires for 1973 Rolls Royce vehicles?
Two brands cover the 205R15 fitment for 1973 Rolls Royce vehicles: Phoenix and Avon. Phoenix offers the size in a wide whitewall radial, while Avon offers it as a blackwall radial with a 97V speed designation. Both fit the shared 205R15 application used by the Corniche and Silver Shadow.
Brand choice often follows the kind of car you are building. Buyers who want a traditional luxury look may gravitate toward the whitewall presentation, while those who want a more restrained touring appearance may lean toward the blackwall option. Since both fit the same size requirement, compare the brand's sidewall style, speed marking, and overall visual character before making the final selection.
What is the difference between the Phoenix and Avon 205R15 tires for the 1973 Rolls Royce?
The Phoenix 205R15 is a radial with a 2.50-inch wide whitewall, a 15-inch rim diameter, a 5.50 to 6.00 inch rim-width range, and a maximum load rating of 1609 at 34 psi. The Avon Turbosteel 205R15 97V is also a radial for a 15-inch rim, carries the same 1,609-pound load figure, and adds a V speed rating, which corresponds to a 149 mph ceiling. The visual difference is immediate: Phoenix is a wide whitewall, while Avon is a blackwall.
That makes the choice less about basic fitment and more about the personality of the finished car. A wide whitewall suits a formal, highly styled presentation, while the Avon blackwall and V-rated marking may appeal to owners who prefer a more understated touring look. If original wheels are in use, confirm wheel width before settling on the final product.
Fitting & Setup
What rim width do 1973 Rolls Royce tires require?
For 1973 Rolls Royce applications using 205R15, rim-width guidance is available at 5.50 to 6.00 inches for the Phoenix radial. All of these tires mount on 15-inch rims, which is the key diameter requirement for both the Corniche and Silver Shadow. That makes wheel diameter straightforward, while wheel width deserves a closer look before final fitment.
Original luxury-car wheels are not always changed carefully over the decades, so it is worth measuring the wheel that is actually on the car rather than assuming it is still factory-correct. If your car has replacement rims or has been through restoration work, confirm the width against the specific tire you want to use so the tire profile and stance remain appropriate.
Do 1973 Rolls Royce tires require inner tubes?
The available 205R15 products for 1973 Rolls Royce do not carry a tube-type marking in the size designation. They are radial passenger-car tires and are presented without TT notation, so the fitment is generally treated as tubeless unless the wheel itself requires a different setup. The wheel condition still matters, especially on older luxury-car rims that may have seen refinishing or long storage.
Before installation, inspect the wheels for bead-seat condition, corrosion, and any prior repairs that could affect an airtight seal. If the car still wears original wheels and there is any uncertainty about their condition or suitability, have them evaluated by a shop familiar with vintage wheels. The tire may be tubeless in design, but the wheel has to be capable of supporting that setup correctly.
Maintenance, Storage & Longevity
How should I store a 1973 Rolls Royce when the tires are fitted?
A 1973 Rolls Royce should be stored in a cool, dry, dark space away from direct sunlight, electric motors, battery chargers, furnaces, and other ozone-producing equipment. Keep the tires clean, maintain proper inflation, and move the car periodically so the same section of tread is not carrying the full load for months at a time. Radial tires generally tolerate storage better than older bias-ply designs, but long static periods still age the casing and sidewalls.
If the car will sit for an extended season, many collectors either reposition it every few weeks or place it on stands in a way that does not stress the suspension or body structure. A fitted tire lasts longer when it is protected from heat, ultraviolet exposure, and moisture. Good storage habits matter just as much on a low-mileage Rolls-Royce as they do on a regularly driven collector car.
How long do tires on a 1973 Rolls Royce typically last?
Tires on a 1973 Rolls Royce should be judged more by age and condition than by mileage. A sound collector-car practice is to evaluate them closely once they are about five to seven years old and to treat ten years as a point where replacement deserves serious consideration regardless of tread depth. The DOT date code on the sidewall is the starting point for that timeline.
That guidance matters because many Silver Shadows and Corniches see limited annual use, so the tread can look healthy long after the rubber has begun to harden and age. Sidewall cracking, vibration, loss of air retention, and changes in ride quality can all appear before the tire looks worn out. A low-mileage classic can still need fresh tires if age has overtaken the rubber.
How often should tires on a 1973 Rolls Royce be inspected?
Tires on a 1973 Rolls Royce should be checked before every drive and inspected more thoroughly before any extended outing. Look for sidewall cracking, bulges, cuts, uneven wear, and air-pressure loss, and verify that each tire is seated properly and free from damage around the bead area. On a heavy luxury car, even small problems can affect ride quality and steering feel noticeably.
A closer seasonal inspection is also worthwhile, especially if the car spends long periods parked between drives. Include the spare in that routine, since a decades-old spare may be unusable when you actually need it. Making tire checks part of your pre-drive ritual helps catch age-related issues early, before they interrupt a tour or compromise the car's road manners.
Restoration & Authenticity
What tires were originally fitted to the 1973 Rolls Royce Corniche?
A 1973 Rolls Royce Corniche belongs to an era when radial construction had become established in high-end European passenger cars, and the shared 205R15 fitment aligns with that period character. That makes a radial replacement appropriate to the car's general factory-era engineering direction. The exact original sidewall treatment could vary with market expectations and owner preference, especially on luxury cars where presentation mattered.
For a highly exact restoration, confirm market-specific details through factory literature, marque clubs, or a Rolls-Royce specialist familiar with Corniche judging standards. Size, construction type, and sidewall appearance all influence whether the finished car looks authentically period-correct. Getting the broad fitment right is the first step; refining the visual details is what separates a general restoration from a highly accurate one.
Does correct tire fitment matter for showing a 1973 Rolls Royce?
Yes, correct tire fitment matters on a 1973 Rolls Royce because judges and knowledgeable enthusiasts notice size, construction, and sidewall appearance very quickly. A 205R15 radial is consistent with the period character of these cars, while the sidewall treatment can influence how authentic the presentation feels. An incorrect overall diameter, an obviously modern profile, or a sidewall style that clashes with the car's era can distract from an otherwise accurate restoration.
For local events, the right tire often helps the car look complete even if judging is informal. For higher-level concours or marque-focused shows, check the event's own standards and compare notes with Rolls-Royce club members before finalizing the tire choice. Tires are one of the few restoration items that affect both visual authenticity and driving experience, so they deserve the same attention as paint, trim, and interior materials.
What is the difference between wide whitewall and blackwall tires for a 1973 Rolls Royce restoration?
On a 1973 Rolls Royce restoration, the difference between wide whitewall and blackwall tires is mainly visual and historical in presentation rather than a change in the base fitment size. Both versions exist in 205R15 radial form for these cars. A wide whitewall creates a more formal luxury look, while a blackwall gives the car a cleaner and more restrained appearance that can feel more European in character.
The right choice depends on how the car is being restored and how strictly period style is being interpreted. Owners aiming for a highly dressy presentation often favor a whitewall because it reads immediately as traditional luxury, while others prefer blackwalls to keep attention on the body lines and wheel covers. Reviewing period photos of similarly finished cars can help settle the decision without changing the underlying fitment.
Safety & Road Use
Are 1973 Rolls Royce tires safe for highway driving?
Yes, 1973 Rolls Royce tires in the available 205R15 radial fitment can be suitable for highway driving when they are in good condition, properly inflated, and matched to sound wheels. One available 205R15 option carries a V speed rating, which corresponds to a 149 mph ceiling, while another 205R15 option is offered without a speed letter in the visible size marking. Tire condition, age, and installation quality matter as much as the nominal rating on a collector car.
In real use, a 1973 Rolls Royce is usually limited more by the condition of its suspension, brakes, steering, and overall maintenance than by the top-end potential of a modern reproduction tire. Before regular highway use, inspect the full chassis and not just the tires. A fresh radial on a neglected vintage luxury car does not erase the need for a careful mechanical baseline.
What inflation pressure should I use for 1973 Rolls Royce tires?
Inflation pressure for a 1973 Rolls Royce should be confirmed against the car's factory literature and the specific tire's own rated information. One 205R15 radial in this fitment carries a maximum load of 1609 at 34 psi, and another 205R15 radial carries a 1,609-pound load rating. Those figures identify the tire's capacity point, but they are not a universal instruction to inflate every tire to the same pressure in service.
The right operating pressure depends on the vehicle, the tire, and how the car is being used. Start with the vehicle manufacturer's guidance when available, then confirm that the chosen tire is appropriate within its own load-and-pressure limits. Avoid borrowing pressure recommendations from a different tire size or brand just because the wheel diameter matches; the correct setting should suit the actual tire on the car.
What should I check before taking a 1973 Rolls Royce on a longer drive?
Before taking a 1973 Rolls Royce on a longer drive, inspect each tire for cracking, cuts, bulges, irregular wear, and proper inflation, and make sure the spare is usable. Check the sidewalls closely, verify valve-stem condition, and confirm that the wheels are clean at the bead area and free from obvious damage. A long-stored luxury car can look road-ready while still having age-related tire issues that only show up under careful inspection.
Tires are only one part of the pre-tour routine on a car of this age. A sensible longer-drive check also includes brakes, fluid levels, steering response, suspension condition, and cooling-system health. When the tire inspection is paired with a broader mechanical once-over, the car is far more likely to deliver the composed touring behavior that made 1973 Rolls-Royce ownership special in the first place.
