The 1971 Ford Brougham came from an era when full-size American cars emphasized presence, comfort, and a long, formal look on the road. That character makes tire choice especially important, because the right fitment affects not only stance and ride but also whether the car keeps the period-style appearance that suits a big early-1970s Ford. This model uses several bias-ply tire sizes across its covered configurations, including both 15-inch and 14-inch applications. Available choices range from wide whitewalls and narrow whitewalls to blackwall, redline, raised white letter, and pin-white-stripe designs, with radial equivalents also available. The real key is matching the exact sub-model and wheel diameter before deciding between restoration-minded bias-ply styling and a radial alternative.
Which Tire Size Is Right for The 1971 Ford Brougham
The 1971 Ford Brougham uses six primary tire sizes, and the correct one depends on the exact sub-model and whether the car has a 14-inch or 15-inch wheel. Before choosing a tire, confirm the specific engine-based configuration and the wheel diameter currently on the car, since this fitment spans both numeric and alphanumeric bias-ply sizing.
An 855-15 numeric bias-ply size uses the first number to indicate nominal section width, with the decimal omitted, so this size is roughly 8.55 inches wide in traditional sizing language. It is a bias-ply fitment used on certain 15-inch-wheel 1971 Ford Brougham applications and suits buyers who want a traditional full-size car presentation. Available choices in this size center on BFGoodrich Silvertown Classic Bias Ply tires with narrow whitewall treatments. This size is worth considering when the car retains its 15-inch setup and the goal is to preserve an authentic early-1970s look and feel.
H78-15 is a vintage alphanumeric bias-ply size in which the letter identifies the tire's size class, the 78 indicates its profile family, and the 15 designates the rim diameter. On the 1971 Ford Brougham, it is another 15-inch bias-ply fitment used on specific configurations rather than across the entire model line. Product choices include Coker Classic wide whitewalls and an STA Traxion blackwall, giving this size a broader split between restoration-style appearance and utility-focused bias-ply character. It is the right size to evaluate only after confirming that the car belongs to a 15-inch application.
E78-14 follows the vintage alphanumeric bias-ply system, where the letter marks the general size class, the series number identifies the profile family, and 14 indicates the wheel diameter. This is one of the smaller 14-inch bias-ply sizes used on certain 1971 Ford Brougham configurations, so it should not be treated as a universal fitment for every Brougham. Available products include wide whitewall and blackwall choices from Coker Classic and STA, along with different tire series. It makes sense for owners who have confirmed a 14-inch wheel setup and want to stay within the period-style sizing range for the covered application.
Fit(s): w/250, 302 & 351-2 Eng. and w/351-4 & 429 CJ Eng.
Construction: Bias Ply|Rim: 14 in
F78-14 uses the same vintage alphanumeric bias-ply format, with the letter denoting size class, the 78 indicating the profile family, and the 14 showing rim diameter. On the 1971 Ford Brougham, this 14-inch bias-ply size appears in more than one covered sub-model group, making it a key fitment to verify carefully against the car's exact configuration. The available choice in this size is a Coker Classic Bias Ply wide whitewall, which leans strongly toward a traditional full-size Ford appearance. This size suits buyers focused on keeping a classic sidewall presentation on the correct 14-inch wheel.
G78-14 is another vintage alphanumeric bias-ply size, with the letter and series reflecting the traditional width and profile class and the final 14 identifying wheel diameter. It is a 14-inch fitment used on select 1971 Ford Brougham combinations and overlaps with other 14-inch sizes depending on the exact engine-based application. This size offers one of the broadest appearance ranges, including narrow whitewall, dual-white-stripe, and wide whitewall options from BFGoodrich and Coker Classic. It is a strong choice to review when the car calls for a larger 14-inch bias-ply look and appearance details matter as much as basic fitment.
G70-14 uses a vintage alphanumeric bias-ply format in which the letter identifies the size class, the 70 marks a lower-profile family than a 78-series tire, and the 14 is the rim diameter. For the 1971 Ford Brougham, this is a 14-inch bias-ply fitment tied to specific covered configurations rather than the whole model range. It carries the widest product variety here, with Firestone Wide Oval and Goodyear Custom Wide Tread choices in redline, raised white letter, pin-white-stripe, and blackwall styles. This size deserves close attention when the Brougham has the right 14-inch wheel and the owner wants a more performance-flavored period tire appearance.
Tire fitment on the 1971 Ford Brougham varies by covered sub-model, and the differences include both tire size and wheel diameter. Checking the exact engine-based configuration matters here, because some versions use 15-inch bias-ply sizes while others use one of several 14-inch bias-ply options.
1
1971 Ford Brougham Hardtop w/390 Eng.
The 1971 Ford Brougham Hardtop w/390 Eng. uses 15-inch bias-ply fitments rather than the 14-inch sizes seen elsewhere in the range. Tire selection starts with confirming which of the two period-size options matches the car's wheel setup, then choosing the sidewall style and overall presentation that best suits the car.
The 1971 Ford Brougham Hardtop w/400 Eng. shares the same 15-inch bias-ply fitment pattern as the 390-equipped hardtop. That makes wheel diameter the first checkpoint, followed by whether the goal is a traditional whitewall look, a blackwall alternative, or a move toward one of the available radial equivalents.
The 1971 Ford Brougham w/250, 302 & 351-2 Eng. uses 14-inch bias-ply fitments and falls into the smaller end of this Brougham tire range. Once the exact size is confirmed, the choice becomes whether to keep a period-style bias-ply look or compare it with the available radial-equivalent sizing.
The 1971 Ford Brougham w/351-4 & 429 CJ Eng. uses 14-inch bias-ply tire sizes, but not the same combination used by every 14-inch Brougham. That means the exact sub-model matters before choosing among wide whitewall, stripe, or other period-style tire presentations in the appropriate size.
The 1971 Ford Brougham w/429 Eng. uses 14-inch bias-ply fitments that include the more appearance-driven G70-14 alongside G78-14. Buyers should confirm which wheel and size setup is actually on the car, especially if the goal is to preserve a specific early-1970s sidewall style or compare bias-ply options with radial equivalents.
Bias-Ply to Radial Tire Conversion for the 1971 Ford Brougham
Radial equivalents are available for all six primary 1971 Ford Brougham tire sizes. For 855-15 and H78-15, the options are 215R15 as an 80-series metric radial, P225/75R15 as a 75-series P-metric radial, P235/70R15 as a 70-series P-metric radial, and 760R15 as a bias-look radial. E78-14 maps to 185R14, P195/75R14, and P205/70R14, while F78-14 adds 750R14 as a bias-look radial. G78-14 and G70-14 both map to 205R14, P215/75R14, P225/70R14, and 800R14. Recommended rim-width ranges run from 4-6, 5-7, or 6-8 inches depending on size, so wheel fit and clearance should be checked before converting.
Modern Radial Equivalents
215R15
Equivalent 80-series Metric Radial (855-15)
P225/75R15
Equivalent P-metric 75-series Radial (855-15)
P235/70R15
Equivalent P-metric 70-series Radial (855-15)
760R15
Bias-look Radial Equivalent (855-15)
215R15
Equivalent 80-series Metric Radial (H78-15)
P225/75R15
Equivalent P-metric 75-series Radial (H78-15)
P235/70R15
Equivalent P-metric 70-series Radial (H78-15)
760R15
Bias-look Radial Equivalent (H78-15)
185R14
Equivalent 80-series Metric Radial (E78-14)
P195/75R14
Equivalent P-metric 75-series Radial (E78-14)
P205/70R14
Equivalent P-metric 70-series Radial (E78-14)
195R14
Equivalent 80-series Metric Radial (F78-14)
P205/75R14
Equivalent P-metric 75-series Radial (F78-14)
P215/70R14
Equivalent P-metric 70-series Radial (F78-14)
750R14
Bias-look Radial Equivalent (F78-14)
205R14
Equivalent 80-series Metric Radial (G78-14)
P215/75R14
Equivalent P-metric 75-series Radial (G78-14)
P225/70R14
Equivalent P-metric 70-series Radial (G78-14)
800R14
Bias-look Radial Equivalent (G78-14)
205R14
Equivalent 80-series Metric Radial (G70-14)
P215/75R14
Equivalent P-metric 75-series Radial (G70-14)
P225/70R14
Equivalent P-metric 70-series Radial (G70-14)
800R14
Bias-look Radial Equivalent (G70-14)
Important Considerations When Replacing Bias Ply With Radial
Compare overall diameter and section width carefully to ensure proper fit.
Verify recommended rim range (5-7 in) and load needs match your vehicle specifications.
Check fender clearance, steering clearance, and stance before installation.
Consider suspension condition and intended road use when choosing equivalents.
Important Fitment Notes
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 1971 Ford Brougham Tires for Sale
Available 1971 Ford Brougham tires span BFGoodrich, Coker Classic, Firestone, Goodyear, and STA, with choices that include Silvertown Classic Bias Ply, Coker Classic Bias Ply, Wide Oval, Custom Wide Tread, Traxion, and Transport Highway series. Sidewall treatments range from narrow and wide whitewalls to blackwall, redline, raised white letter, dual-white-stripe, and pin-white-stripe designs.
Common 1971 Ford Brougham tire questions usually center on identifying the right size for the exact sub-model, confirming 14-inch versus 15-inch wheel fitment, comparing bias-ply sizes with radial equivalents, and choosing the sidewall style that matches the car's intended look and use.
Tire Size & Fitment
What tire size fits a 1971 Ford Brougham?
A 1971 Ford Brougham can use 855-15, H78-15, E78-14, F78-14, G78-14, or G70-14, depending on the exact covered sub-model. All of these are primary bias-ply fitments, but they are not interchangeable across every Brougham configuration because this application includes both 15-inch and 14-inch wheel diameters.
The first step is confirming the exact engine-based sub-model and the wheel diameter currently on the car. Many full-size cars have been changed over the years, so the safest approach is to verify the wheel itself before selecting a tire, then choose the correct sidewall style and tire series within that confirmed size.
What size rim does a 1971 Ford Brougham use?
The 1971 Ford Brougham uses either a 15-inch rim or a 14-inch rim, depending on the covered configuration. The 855-15 and H78-15 sizes are 15-inch applications, while E78-14, F78-14, G78-14, and G70-14 are 14-inch applications.
That split makes wheel diameter one of the most important checks before ordering tires. A car may have had wheels changed long ago, and a vintage size code should always agree with the actual wheel on the vehicle. Once the rim diameter is confirmed, the next step is narrowing the correct size by sub-model and appearance preference.
Why does the 1971 Ford Brougham have more than one tire size?
The 1971 Ford Brougham has more than one tire size because fitment varies across covered sub-models. Some versions use 15-inch bias-ply sizes, while others use one of several 14-inch bias-ply sizes, and certain sub-model groups have more than one applicable size within that wheel diameter.
That means tire selection is tied to configuration, not just the model name on the fender. The practical takeaway is to identify the exact Brougham setup first, then confirm the wheel diameter and compare the tire choices available in that specific size. Doing it in that order prevents mixing a correct-looking tire with the wrong wheel application.
Bias-Ply & Radial Options
Is H78-15 a bias-ply or radial tire for the 1971 Ford Brougham?
H78-15 is a bias-ply primary tire size for the 1971 Ford Brougham. It uses the vintage alphanumeric bias-ply sizing system, and on this application it belongs to the 15-inch wheel fitment used on certain hardtop configurations.
That matters because a true bias-ply tire preserves the traditional construction and period-style presentation associated with this fitment. A radial alternative can be considered, but the change should be evaluated carefully against wheel width, overall vehicle setup, and the kind of ride and appearance the owner wants from a large early-1970s Ford.
What radial tire sizes are equivalent to 855-15 on a 1971 Ford Brougham?
Radial equivalents for 855-15 include 215R15 as an 80-series metric radial, P225/75R15 as a 75-series P-metric radial, P235/70R15 as a 70-series P-metric radial, and 760R15 as a bias-look radial. The recommended rim-width range for these equivalents is 6-8 inches.
Those options give different sizing conventions and profile families while staying in the 15-inch category. A bias-look radial keeps a more traditional visual character, while the metric and P-metric choices reflect more modern radial sizing language. Any conversion should still be checked against wheel width, tire dimensions, steering clearance, and the car's actual wheel setup.
Should I use bias-ply or radial tires on a 1971 Ford Brougham?
That decision depends on how the 1971 Ford Brougham is used and how important period-style construction is to the owner. The primary fitments for this car are bias-ply, and radial equivalents are available across the covered sizes for buyers who want to consider a different construction while staying close to the original size category.
Bias-ply tires tend to suit restoration-oriented presentation, especially when sidewall details like whitewalls, redlines, or stripes matter. Radial equivalents can be considered when road use and tire selection priorities point in that direction, but the switch is not automatic. Wheel width, wheel diameter, and clearance should all be verified before changing construction.
Choosing the Right Tire
What should I consider when choosing a 1971 Ford Brougham tire?
Start with the exact tire size and wheel diameter that belong on the specific 1971 Ford Brougham configuration. This model spans six primary bias-ply sizes across 14-inch and 15-inch wheels, so correct selection begins with fitment before moving on to brand, tire series, construction style, or sidewall appearance.
Once the size is confirmed, compare the details that shape how the car will look and be used. Whitewall width, blackwall versus stripe treatment, available tire series, and rim-width compatibility can all affect the final choice. A large formal Ford often looks very different depending on sidewall style, even when the base tire size is correct.
What sidewall styles are available for 1971 Ford Brougham tires?
1971 Ford Brougham tire options include narrow whitewall, wide whitewall, blackwall, dual-white-stripe, redline, raised white letter, and pin-white-stripe styles. The exact sidewall treatments vary by tire size, so appearance choices are not spread evenly across every Brougham fitment.
That makes size confirmation especially important before shopping by looks alone. A 15-inch whitewall application and a 14-inch G70-14 performance-style application lead to very different visual results. Once the proper size is established, sidewall style becomes one of the most meaningful ways to match the tire to the car's restoration direction or road-going personality.
What brands offer tires for the 1971 Ford Brougham?
Tires for the 1971 Ford Brougham are available from BFGoodrich, Coker Classic, Firestone, Goodyear, and STA. Brand availability depends on the size, with some fitments centered on whitewall bias-ply offerings and others opening up more specialized series such as Wide Oval, Custom Wide Tread, Traxion, or Transport Highway.
The useful comparison is not simply brand versus brand, but brand within the correct size and presentation. Some sizes have only one series available, while others offer several period-style looks. Checking the exact sub-model fitment first keeps the search focused on real options rather than on tires that belong to a different Brougham configuration.
Restoration & Appearance
Which tire should I choose for a period-style 1971 Ford Brougham?
A period-style 1971 Ford Brougham tire choice starts with using the correct primary size for the exact sub-model, then selecting a bias-ply tire that matches the car's intended visual character. Depending on size, the available look may lean toward narrow whitewall, wide whitewall, blackwall, or striped sidewall treatments.
The best restoration-oriented approach is to treat size and wheel diameter as the foundation, then let sidewall style refine the appearance. If exact originality matters beyond general period style, factory literature, marque-club guidance, or other vehicle-specific references can help confirm whether a particular whitewall width or stripe treatment matches the car's historical presentation.
How does tire construction affect the appearance of a restored 1971 Ford Brougham?
Tire construction changes the visual impression of a restored 1971 Ford Brougham as much as the sidewall design does. Bias-ply tires preserve the traditional construction used in the car's primary fitments, while radial equivalents can shift the look even when they remain close in overall size category and wheel diameter.
That difference matters on a full-size early-1970s Ford because the car's proportions respond strongly to tire profile and sidewall presentation. A buyer pursuing a restoration-minded look will often start with the correct bias-ply size and then compare whitewall or stripe details. A radial alternative may still work visually, but it should be chosen with that appearance change in mind.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1971 Ford Brougham?
Yes, modifications can affect tire fitment on a 1971 Ford Brougham. Aftermarket wheels, wheel-width changes, suspension alterations, ride-height changes, or brake conversions can all change how a vintage tire size sits in the wheel opening and whether a bias-ply or radial equivalent remains appropriate.
That is especially important here because the Brougham already spans both 14-inch and 15-inch applications. Any car that has been changed from its earlier setup should have the wheel diameter and width measured directly before tire selection. Clearance at full steering lock and through suspension travel should also be checked before road use.
What should I inspect before driving a 1971 Ford Brougham on new tires?
Before driving a 1971 Ford Brougham on new tires, inspect the wheels for the correct diameter and sound condition, confirm that lug hardware seats properly, and make sure the tires are inflated appropriately for the chosen product. A general check of alignment condition, suspension wear, and visible clearance around the fenders and steering components is also worthwhile.
Older full-size cars often reveal fitment issues only once the car is on the ground and turning. A short low-speed check can help confirm there is no rubbing, unusual pull, or vibration before a longer drive. It is also smart to recheck air pressure after initial use and look for any early signs of contact or uneven wear.
How should 1971 Ford Brougham tires be maintained on a collector car?
Collector-car tires on a 1971 Ford Brougham should be inspected regularly for cracking, cuts, bulges, tread wear, and slow air loss, even if the car is driven infrequently. Vintage vehicles often accumulate age long before they accumulate miles, so condition matters just as much as tread depth.
Consistent pressure checks, clean storage conditions, and protection from prolonged sunlight, moisture, and ozone sources all help preserve tire life. It also helps to move the car periodically or avoid leaving it parked on one spot for extended periods. Before any longer trip, a fresh visual inspection and pressure check are simple but important habits.