In 2020, Aston Martin balanced grand touring elegance with serious modern performance across the DB11, DBS, and Vantage. Each model carried its own personality, from long-distance refinement to sharper sports-car responses, and tire sizing followed those differences closely enough that year-and-make shopping needs a second look. The 2020 Aston Martin range uses four radial sizes across three models, with the DB11 and Vantage sharing one 20-inch front-and-rear pairing while the DBS moves to a separate 21-inch set. Before choosing a tire, confirm your exact model first, then verify whether you need the 20-inch DB11/Vantage fitment or the 21-inch DBS fitment.
Which Tire Size Is Right for Your 2020 Aston Martin
Four tire sizes appear across the 2020 Aston Martin range, and they vary by model rather than carrying across every car in the lineup. The real decision starts with confirming whether your car uses the 20-inch DB11/Vantage fitment or the 21-inch DBS fitment, since all four sizes are modern radial designs but they do not share one common rim diameter. Understanding that distinction before choosing a product saves time and helps ensure the right match.
Year(s): 2020|Fit(s): DB11, Vantage|Construction: Radial|Rim: 20 in
255/40R20 is a radial size with a 255-millimeter section width, a 40-series aspect ratio, and a 20-inch rim diameter. This size is available from BFGoodrich in a Blackwall sidewall style, with a Y speed rating rated to 186 mph and fitment on 20-inch wheels with an 8.5 to 10-inch rim width range. Because it is used on the DB11 and Vantage rather than across the full 2020 Aston Martin range, it should be matched to those models specifically. It suits owners who want a contemporary ultra-high-performance radial in the correct front fitment for those cars.
Year(s): 2020|Fit(s): DB11, Vantage|Construction: Radial|Rim: 20 in
295/35R20 is a radial size with a 295-millimeter section width, a 35-series aspect ratio, and a 20-inch rim diameter. This size is available from Nitto in a Blackwall sidewall style, with a W speed rating rated to 168 mph. It is specific to the DB11 and Vantage within the 2020 Aston Martin range and serves as the matching rear size for those models. Owners looking to keep the factory-style staggered 20-inch setup on those cars should stay with this fitment.
265/35R21 is a radial size with a 265-millimeter section width, a 35-series aspect ratio, and a 21-inch rim diameter. It is the front size used on the DBS, and its 21-inch diameter sets it apart from the 20-inch DB11 and Vantage fitment. That makes it a DBS-specific size rather than a universal 2020 Aston Martin fitment. Confirming the model first is essential here, since a 21-inch DBS wheel package does not interchange with the 20-inch setup used elsewhere in the range.
305/30R21 is a radial size with a 305-millimeter section width, a 30-series aspect ratio, and a 21-inch rim diameter. It is the rear size paired with the DBS front fitment and carries the widest section width used across the 2020 Aston Martin lineup. This size is specific to the DBS and is not shared with the DB11 or Vantage. Buyers with a DBS should treat the 21-inch front-and-rear package as its own fitment family before narrowing down product choice.
Three Aston Martin models are covered for 2020. Tire size varies by model, with the DB11 and Vantage sharing a 20-inch staggered setup while the DBS uses a separate 21-inch front-and-rear pairing, so identifying the model matters before choosing a size. Select your model below to continue into model-specific fitment history and product choices.
2020 Aston Martin DB11
The 2020 Aston Martin DB11 is the brand's grand touring flagship, blending high-speed touring comfort with the long-hood, short-deck proportions that define modern Aston Martin design. Its tires mount on 20-inch wheels, using a staggered front-and-rear setup that reflects the car's mix of road manners and performance intent.
The 2020 Aston Martin DBS sits at the sharper, more aggressive end of the lineup, built as a high-output grand tourer with a more extreme visual and dynamic character than the DB11. Its tires mount on 21-inch wheels, giving the DBS its own staggered fitment separate from the other Aston Martin models for the year.
The 2020 Aston Martin Vantage is the compact sports-car entry in the range, with a shorter wheelbase, more focused proportions, and a more overtly athletic character than the DB11. It shares the same 20-inch staggered tire sizing as the DB11, so the key difference is model identity and intended use rather than a different wheel diameter.
Two products are available across two tire sizes for 2020 Aston Martin vehicles. The 255/40R20 front size comes from BFGoodrich as a radial Blackwall, while the 295/35R20 rear size comes from Nitto as a radial Blackwall. Confirm your model and exact front or rear size before selecting.
These answers cover how 2020 Aston Martin tire sizing splits between DB11, DBS, and Vantage models, what the metric radial codes mean, how the available Blackwall products compare, and what to check before regular use or longer storage.
Size Basics & Fitment
What tire sizes fit 2020 Aston Martin vehicles?
2020 Aston Martin vehicles use four sizes across three model lines. The DB11 and Vantage use 255/40R20 at the front and 295/35R20 at the rear, both on 20-inch wheels. The DBS uses 265/35R21 at the front and 305/30R21 at the rear, both on 21-inch wheels. Rim width guidance is available for 255/40R20 at 8.5 to 10 inches, while the other sizes should be matched to the actual wheel and tire manufacturer specifications.
That means year and make alone are not enough for a correct tire choice on a 2020 Aston Martin. Start by confirming whether you have a DB11, DBS, or Vantage, then verify front versus rear because all three use staggered sizing. Once the model and axle position are confirmed, the remaining choice becomes selecting the exact tire that matches the wheel diameter, width range where published, and the kind of driving you expect from the car.
What does 255/40R20 mean on a 2020 Aston Martin tire?
On a 2020 Aston Martin, 255/40R20 is a metric radial size. The 255 is the nominal section width in millimeters, 40 is the aspect ratio, R means radial construction, and 20 is the wheel diameter in inches. Within the 2020 Aston Martin range, this size is the front fitment for the DB11 and Vantage. The available BFGoodrich version carries a Y speed rating, which corresponds to 186 mph.
That decoding matters because it tells you this is a low-profile modern performance tire, not an older alphanumeric or numeric collector-car size. A DB11 or Vantage owner should still confirm that the front wheel matches the published 20-inch diameter and that the wheel width falls within the 8.5 to 10-inch range associated with the available tire. Reading the sidewall code carefully also helps avoid mixing up the front 255/40R20 with the wider 295/35R20 rear size.
Do all 2020 Aston Martin models use the same tire size?
No, 2020 Aston Martin models do not all use the same tire size. The DB11 and Vantage share the same 20-inch staggered setup of 255/40R20 front and 295/35R20 rear, while the DBS uses a different 21-inch staggered setup of 265/35R21 front and 305/30R21 rear. Every size in the range is radial, but the wheel diameters and the actual front and rear dimensions change by model.
That distinction is important because a buyer comparing only year and make could easily land on the wrong wheel diameter. If the car is a DB11 or Vantage, focus on the 20-inch pair; if it is a DBS, focus on the 21-inch pair. Taking a moment to confirm the exact model badge and reading the current tire sidewall before ordering is the simplest way to avoid mismatching a 20-inch product to a 21-inch application or vice versa.
Buying the Right Tire
What sidewall styles are available for 2020 Aston Martin tires?
The available 2020 Aston Martin products in the 20-inch sizes use Blackwall sidewalls. BFGoodrich offers the 255/40R20 as a Blackwall radial, and Nitto offers the 295/35R20 as a Blackwall radial. That sidewall treatment is consistent with the modern high-performance character of the DB11 and Vantage rather than a vintage whitewall or bias-look presentation.
For most 2020 Aston Martin owners, sidewall appearance is less about concours originality and more about keeping the car's factory-era visual balance. A Blackwall tire suits the late-model grand touring and sports-car look these cars were designed around. If appearance matters as much as dimensions, compare the sidewall treatment of the replacement tire with the current set on the car so the front and rear tires maintain a cohesive look.
What brands make tires for 2020 Aston Martin vehicles?
Two brands cover the available 2020 Aston Martin products here. BFGoodrich offers the 255/40R20 front size used on the DB11 and Vantage, while Nitto offers the 295/35R20 rear size used on those same models. Both are modern radial performance tires with Blackwall sidewalls, but they apply to different axle positions rather than serving as direct substitutes for one another in the same size.
For a buyer, brand selection starts with matching the correct size and axle location first. Once that is settled, look at the speed rating, load index, and wheel-width compatibility where published to make sure the tire suits the car's use. If your car is a DBS, verify the 21-inch fitment before focusing on brand preference, since the DBS uses a separate size family from the DB11 and Vantage.
What is the difference between BFGoodrich g-Force Phenom T/A and Nitto NT555 G2 for the 2020 Aston Martin?
For the 2020 Aston Martin, these two products differ first by size and intended axle position. The BFGoodrich g-Force Phenom T/A is offered in 255/40ZR20 101Y for the front of the DB11 and Vantage, carries a published load capacity of 1,819 pounds at 50 psi, weighs 27.93 pounds, and fits 8.5 to 10-inch rims. The Nitto NT555 G2 is offered in 295/35ZR20XL 105W for the rear of the DB11 and Vantage and weighs 34.35 pounds.
That makes this less of a head-to-head comparison and more of a front-versus-rear fitment distinction within the same staggered setup. The BFGoodrich tire serves the narrower front position and carries a higher published speed symbol, while the Nitto fills the wider rear position in the matching 20-inch family. A DB11 or Vantage owner should compare each tire against the correct axle, not against each other as interchangeable choices for the same wheel.
Fitting & Setup
What rim width do 2020 Aston Martin tires require?
Published wheel-width guidance for 2020 Aston Martin tires is available for the 255/40R20 size used on the front of the DB11 and Vantage. That tire fits a rim width range of 8.5 to 10 inches and mounts on a 20-inch wheel. The other sizes in the 2020 Aston Martin range also require their respective 20-inch or 21-inch rim diameters, but wheel-width matching should be confirmed against the actual wheel and the specific tire being considered.
Rim width matters because it affects section shape, contact patch behavior, and sidewall support, especially on low-profile performance tires like these. If your DB11 or Vantage uses the 255/40R20 front size, compare the wheel against the 8.5 to 10-inch range before moving ahead. For the other three sizes, check the wheel stamp, owner's literature, or a marque specialist so the tire is mounted on the correct width as well as the correct diameter.
Do 2020 Aston Martin tires require inner tubes?
The available 20-inch 2020 Aston Martin products are tubeless radials. The BFGoodrich 255/40ZR20 and the Nitto 295/35ZR20XL are modern Z-rated radial tire designs intended for tubeless service on appropriate wheels. That matches what most buyers would expect for late-model Aston Martin applications using contemporary performance wheel and tire construction.
Even with tubeless tires, the wheel itself still needs to be in sound condition and the valve stem should be inspected whenever tires are replaced. If the car has aftermarket wheels, confirm that the wheel is suitable for the exact tire size and tubeless use before mounting. Keeping the bead seat clean and the valve hardware fresh is just as important as choosing the right tire code on a modern Aston Martin.
Maintenance, Storage & Longevity
How should I store a 2020 Aston Martin when the tires are fitted?
A 2020 Aston Martin should be stored in a cool, dry, dark space away from direct sunlight, electric motors, welders, battery chargers, and other ozone-producing equipment that can age rubber prematurely. Keep the tires properly inflated, move the car occasionally if possible, and avoid letting it sit for long periods on one contact patch. Modern radials resist flat-spotting better than older bias-ply designs, but they still benefit from periodic movement and clean storage conditions.
For seasonal or collector use, many owners combine tire care with overall storage preparation by cleaning the tires, checking pressures monthly, and using stands only if the car will be down for an extended period and the support points are appropriate. The goal is to reduce stress concentration, sidewall weathering, and pressure loss. Good storage habits preserve ride quality and help the car feel more settled when it returns to regular road use.
How long do tires on a 2020 Aston Martin typically last?
On a 2020 Aston Martin, tire age is usually more important than raw mileage, especially if the car is driven occasionally rather than daily. A sound practice is to evaluate the tires closely once they are in the five- to seven-year range and to consider replacement as they approach around ten years from the DOT date code, even if tread depth still looks usable. Heat cycles, storage conditions, and long periods of inactivity all affect aging.
High-performance tires on grand touring and sports cars often wear unevenly or age out before they wear out. Check the DOT date code on every tire, including the spare if one is carried, and inspect for cracking, hardening, or changes in ride behavior. If the car still wears an older set with good-looking tread but advanced age, replacing them is usually a wiser move than judging condition by appearance alone.
How often should tires on a 2020 Aston Martin be inspected?
Tires on a 2020 Aston Martin should be inspected before every drive and again before any longer outing at sustained road speeds. Look for cuts, sidewall bulges, uneven shoulder wear, punctures, and any sign that the tire is losing pressure. Because these are low-profile radial performance sizes, small pressure losses can affect handling feel and ride quality more noticeably than they would on a taller sidewall tire.
A quick pre-drive routine goes a long way on a car like a DB11, DBS, or Vantage. Check inflation pressures cold, confirm that front and rear sizes have not been mixed, and look over the valve stems whenever the wheels are being cleaned or serviced. If the car has been stored for weeks or months, add a short neighborhood drive and a second inspection before committing to a longer highway run.
Safety & Road Use
Are 2020 Aston Martin tires safe for highway driving?
Yes, properly selected and properly maintained 2020 Aston Martin tires are suitable for highway driving, and the available 20-inch products carry modern high-speed ratings. The BFGoodrich 255/40ZR20 is rated Y, or 186 mph, and the Nitto 295/35ZR20XL is rated W, or 168 mph. Those ceilings are well above normal U.S. highway speeds, so in real use the more important factors are tire age, inflation, alignment, and the condition of the car's suspension and brakes.
Highway safety depends on the entire system, not just the speed symbol on the sidewall. A late-model Aston Martin can place significant demands on tires because of its performance envelope, so even a premium-rated tire should be treated seriously if it is old, underinflated, or damaged. Before regular highway use, verify that the tires are the correct front and rear sizes for the model and that they are wearing evenly across the tread.
What inflation pressure should I use for 2020 Aston Martin tires?
Inflation pressure on a 2020 Aston Martin should follow the vehicle's factory placard or owner's manual for the exact model and axle position. One available 255/40R20 tire carries a published maximum load capacity of 1,819 pounds at 50 psi, but that figure is the tire's rated maximum condition and should not automatically be treated as the car's day-to-day operating pressure. Pressure settings can differ between a DB11, DBS, and Vantage, and between front and rear on each car's staggered setup.
The practical approach is to start with Aston Martin's recommended cold pressures, then confirm that the replacement tire's specifications are appropriate for that use. Do not transfer a pressure figure from one size to another or assume a maximum sidewall figure is the target. If the car has aftermarket wheels or a nonstandard tire brand, compare the placard recommendation with the tire maker's guidance before settling on a final pressure routine.
What should I check before taking a 2020 Aston Martin on a longer drive?
Before a longer drive in a 2020 Aston Martin, inspect all four tires for cracking, punctures, bulges, uneven wear, and signs of impact damage from potholes or curbs. Confirm cold inflation pressures, verify that the front and rear tires match the car's staggered sizing, and look over the valve stems for age or damage. If the car has been parked for an extended period, pay extra attention to pressure loss and any vibration that might suggest temporary flat-spotting or a wheel issue.
Tire checks should happen alongside a broader pre-trip review of the car, including brakes, fluids, and battery condition, because these cars are capable of sustained speed and long-distance travel when properly prepared. For the tires specifically, do not forget the age of the set, not just its tread depth. A fresh-looking tire that is old, damaged, or mismatched front to rear can undermine the way a DB11, DBS, or Vantage is meant to behave on the road.
