The 1986 Bentley Eight arrived during a period when Crewe luxury cars were balancing traditional Bentley character with a more contemporary, driver-oriented presentation. Even with its upright formal styling and hand-built presence, the car still depends on the right tire to preserve the composed ride, visual stance, and road manners expected of a Bentley saloon. The 1986 Bentley Eight uses a 235/70R15 radial tire on a 15-inch rim, so the decision is less about multiple fitments and more about choosing the right version of that size. Available options include blackwall, narrow whitewall, wide whitewall, redline, and raised white letter styles across several radial series. That makes it important to match the tire not just to the car, but to the intended appearance and driving use.
Which Tire Size Is Right for The 1986 Bentley Eight
The 1986 Bentley Eight uses one primary tire size: 235/70R15, a radial tire fitted to a 15-inch rim. The Bentley Eight Base uses that same size, so the main decision is choosing the right tire series, sidewall treatment, and rim-width-compatible product within the correct fitment rather than sorting through multiple factory sizes.
235/70R15 is a metric radial size in which 235 identifies the tire's nominal section width in millimeters, 70 is the aspect ratio, R denotes radial construction, and 15 is the rim diameter in inches. On the 1986 Bentley Eight, this modern metric radial format suits the car's later-classic luxury character and keeps the fitment in the size it was designed to use. Available choices span Avon, BFGoodrich, Cooper, and Michelin, with sidewall options including blackwall, narrow whitewall, wide whitewall, redline, and raised white letter. Choosing within this size comes down to appearance, intended road use, and confirming wheel width against the tire's specifications.
Fitment is straightforward for the covered 1986 Bentley Eight sub-models. The key point is that the shared tire size keeps selection focused on tire style, brand, and specification rather than on trim-based size differences.
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1986 Bentley Eight Base
The 1986 Bentley Eight Base uses the same 235/70R15 radial fitment on a 15-inch rim as the model core. That keeps tire selection centered on choosing the right radial series and sidewall appearance, while still confirming actual wheel width and overall vehicle setup before installation.
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 1986 Bentley Eight Tires for Sale
For the 1986 Bentley Eight, the available 235/70R15 choices include Avon, BFGoodrich, Cooper, and Michelin radials across series such as Turbosteel, Silvertown Radial, Michelin XVS, Cobra Radial G/T, and Radial T/A. Sidewall treatments range from blackwall and whitewall to redline and raised white letter, with rim-width compatibility varying by product.
These FAQs focus on 1986 Bentley Eight tire size, 15-inch rim fitment, radial tire selection, sidewall appearance, and the practical checks that matter before putting a collector-era Bentley back on the road.
Tire Size & Fitment
What tire size fits a 1986 Bentley Eight?
The 1986 Bentley Eight uses a 235/70R15 radial tire. That is the primary fitment for the model and it is paired with a 15-inch rim, giving the car a single straightforward size to shop within rather than multiple original fitment sizes.
That simplicity shifts the real decision to the details within 235/70R15, such as sidewall style, tire series, and wheel-width compatibility. If the car has ever had wheel changes, verify the actual rim width and diameter before ordering, since an altered wheel setup can affect which 235/70R15 product is appropriate.
What size rim does a 1986 Bentley Eight use?
The 1986 Bentley Eight uses a 15-inch rim with its 235/70R15 tire size. That rim diameter is the critical starting point because the tire's 15-inch bead diameter must match the wheel exactly for safe mounting and proper fitment.
Rim diameter alone is not the whole picture, though. Several 235/70R15 products also carry recommended wheel-width ranges, including 6.0 to 8.0 inches, 6.00 to 8.50 inches, and 6.5 to 8.5 inches, so it helps to confirm the actual wheel width before choosing among the available Bentley Eight tire options.
Does the 1986 Bentley Eight Base use the same tire size?
Yes. The 1986 Bentley Eight Base uses the same 235/70R15 radial tire size as the model core, so there is no separate primary tire size to chase for that sub-model. The fitment remains centered on a 15-inch wheel.
Because the size stays consistent, the selection process is mainly about the type of 235/70R15 tire you want on the car. Owners can concentrate on appearance choices such as blackwall, whitewall, redline, or raised white letter, while still checking wheel width and any non-original suspension or wheel changes before mounting new tires.
Choosing the Right Tire
What should I consider when choosing a 235/70R15 tire for a 1986 Bentley Eight?
Start with the correct fitment: 235/70R15 radial on a 15-inch rim. From there, compare the tire's recommended wheel-width range, sidewall style, tire series, and any available load information so the tire suits both the car's wheel setup and the look you want.
A Bentley Eight can wear very different visual personalities depending on the tire selected. A blackwall or narrow whitewall keeps the presentation restrained, while a wide whitewall, redline, or raised white letter changes the car's character noticeably, so the best choice depends on whether the goal is understated touring style or a more individualized period look.
What sidewall styles are available for 1986 Bentley Eight tires?
The available 235/70R15 tires for a 1986 Bentley Eight include blackwall, narrow whitewall, wide whitewall, redline, and RWL, or raised white letter, sidewall styles. Those choices appear across several radial tire series, so appearance can be tailored without changing the basic tire size.
Sidewall style matters because it changes the visual balance of a formal luxury car more than many owners expect. A blackwall or narrow whitewall usually reads more restrained, while a wider whitewall, redline, or RWL treatment gives the Bentley a stronger period statement, so choose the style that matches the car's restoration direction and personal taste.
What brands offer tires for the 1986 Bentley Eight?
Available 235/70R15 tires for the 1986 Bentley Eight come from Avon, BFGoodrich, Cooper, and Michelin. The product mix includes series such as Turbosteel 70 CR11B, Silvertown Radial, Michelin XVS, Cobra Radial G/T, and Radial T/A, all within the correct radial fitment size.
Brand choice should be considered alongside the specific tire series and sidewall treatment rather than as a standalone decision. One option may offer a blackwall touring presentation, another a whitewall or redline appearance, and another raised white letters, so compare the overall package that best matches the Bentley's intended use and visual style.
Restoration & Appearance
Which tire should I choose for a period-style 1986 Bentley Eight?
A period-style 1986 Bentley Eight starts with the correct 235/70R15 radial size and then narrows the choice by sidewall presentation and tire series. Blackwall, narrow whitewall, and wide whitewall options each create a different late-classic luxury look, while redline and raised white letter treatments produce a more assertive appearance.
For a restoration-oriented car, appearance should be balanced with the practical details of wheel compatibility and intended driving use. If exact originality matters, it is worth comparing the car against marque references, period photography, or build documentation, since the right visual choice is not always the same as simply choosing the correct size.
How does tire construction affect the appearance of a restored 1986 Bentley Eight?
On a 1986 Bentley Eight, construction changes the look less dramatically than it would on an earlier car because the primary fitment is already radial. The bigger visual difference comes from the sidewall treatment within that radial size, including blackwall, narrow whitewall, wide whitewall, redline, and raised white letter options.
That means restoration appearance is shaped more by presentation than by a bias-ply-versus-radial decision. A restrained sidewall generally complements the Bentley's formal body and grille, while a more decorative sidewall creates a stronger period statement, so the best result comes from matching the tire's visual tone to the car's finish and trim.
Fitment, Maintenance & Road Use
Can modifications affect tire fitment on a 1986 Bentley Eight?
Yes. Even though the standard fitment is 235/70R15 on a 15-inch rim, aftermarket wheels, altered wheel widths, suspension changes, or body modifications can affect which tire in that size range is appropriate for the car. Clearance and wheel compatibility still need to be checked carefully.
A Bentley Eight with non-original wheels may still accept the same nominal size, but the tire's approved rim-width range can become the deciding factor. It is smart to confirm wheel diameter, actual wheel width, and clearance at the fender, steering, and suspension points before settling on a specific 235/70R15 product.
What should I inspect before driving a 1986 Bentley Eight on new tires?
Before road use, inspect the wheels for damage, confirm proper mounting on the 15-inch rims, and make sure the tires are inflated correctly for the chosen tire and vehicle setup. It also helps to look over suspension and steering components, since worn parts can affect how a heavy luxury car tracks on fresh radials.
A longer look at the rest of the car is worthwhile on a low-use Bentley. Check for uneven old-tire wear patterns, fluid leaks that could reach the tires, rubbing marks inside the wheel openings, and any signs that the car sits unevenly, because new tires perform best when the chassis and wheel setup are in sound condition.
How should 235/70R15 tires on a collector 1986 Bentley Eight be maintained?
Collector-car tires in 235/70R15 should be checked regularly for air loss, tread wear, sidewall cracking, bulges, and cuts, even if the 1986 Bentley Eight is driven only occasionally. Low annual mileage does not stop tires from aging, so condition matters just as much as tread depth on a car like this.
Storage conditions also affect tire life. Keeping the Bentley away from prolonged sunlight, excess heat, moisture, and ozone sources helps preserve the rubber, and moving the car periodically can reduce long-term stress in one contact patch area. A visual inspection before each drive is a sensible habit for any seldom-used luxury collector vehicle.
