Oldsmobile 70 Series Tires

Oldsmobile 70 Series occupied an important place in GM's 1940 lineup, representing the streamlined prewar American sedan era when styling, ride comfort, and road manners were becoming as important as mechanical durability. The 1940 Oldsmobile 70 Series sits squarely in that transition, which means tire choice today is less about broad year-to-year variation and more about selecting the right construction, sidewall treatment, and service type for the way the car will be used. The main challenge is that one period-correct passenger size is offered alongside heavier-duty truck and military-style options in the same nominal size. Confirm that the car uses 16-inch passenger wheels and decide whether you want restoration-correct appearance or utility-oriented tread before choosing.

Oldsmobile 70 Series Tire Size Guide

650-161940

Oldsmobile 70 Series uses one tire size across the covered production span: 650-16 for 1940. This is a numeric bias-ply size, where 650 indicates a nominal section width of about 6.50 inches and 16 is the rim diameter in inches. Available products for this size use 16-inch rims, with most passenger applications listing rim widths around 4.50 to 5.00 inches and one Excelsior option listing 4.00 to 4.50 inches. A tube is required for the bias-ply passenger tires unless a specific product is identified otherwise, and this size is offered in both restoration-style passenger tread patterns and heavier-duty military or truck-oriented versions.

Oldsmobile 70 Series Tires by Year

The year listing for Oldsmobile 70 Series shows which tire size applies to each production year and helps narrow the search to the correct fitment. Because only 1940 is covered here, the key task is matching the 16-inch wheel and then choosing between passenger-style bias-ply tires and heavier-duty alternatives. These year-specific listings are best used alongside the actual wheel, original paperwork, or marque knowledge for the individual car.

Best Oldsmobile 70 Series Tires for Sale

Available 650-16 options include 19 products across 9 brands, with both passenger-style classic bias-ply tires and heavier-duty truck-oriented choices. Wide whitewall and blackwall versions are offered, so confirm the intended use and the 16-inch rim diameter before selecting.

650-16 Products

These are the available products for 650-16.

Bias Ply

BFGoodrich 3.75 Inch Whitewall | 650-16

BFGoodrich - Silvertown Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight24 lb
Max Load1580@32 psi
Buy Now
Bias Ply

Coker Classic | 650-16

Coker Classic - Coker Classic Bias Ply

SidewallBlackwall
Rim Diameter16 in
Rim Width—
Weight25 lb
Max Load—
Buy Now
Bias Ply

Firestone | 650-16

Firestone - Firestone Classic Bias Ply

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight23 lb
Max Load1580@32 psi
Buy Now
Bias Ply

Garfield Zig Zag Tread Wide Whitewall | 650-16

Garfield - Garfield Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight23 lb
Max Load1580@32 psi
Buy Now
Bias Ply

BFGoodrich | 650-16

BFGoodrich - Silvertown Classic Bias Ply

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight22 lb
Max Load1580@32 psi
Buy Now
Bias Ply

Firestone 3.00 Inch Whitewall Nonscript | 650-16

Firestone - Firestone Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight25 lb
Max Load1580@32 psi
Buy Now
Bias Ply

Excelsior | 650-16

Excelsior - Excelsior Bias Ply

SidewallBlackwall
Rim Diameter16 in
Rim Width4.00 - 4.50 in
Weight30 lb
Max Load—
Buy Now
Bias Ply

Garfield Zig Zag Tread | 650-16

Garfield - Garfield Classic Bias Ply

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight21 lb
Max Load1580@32 psi
Buy Now
Bias Ply

Lester Wide Whitewall | 650-16

Lester - Lester Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width—
Weight26 lb
Max Load—
Buy Now
Bias Ply

Coker Classic 2.50 Inch Whitewall | 650-16

Coker Classic - Coker Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width—
Weight25 lb
Max Load—
Buy Now
Bias Ply

Firestone 4.00 Inch Whitewall | 650-16

Firestone - Firestone Classic Bias Ply

SidewallWide Whitewall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight29 lb
Max Load1580@32 psi
Buy Now
Goodyear Tires

Goodyear Deluxe All-Weather 4 inch Whitewall | 650-16

Goodyear - Deluxe All-Weather

SidewallWide Whitewall
Rim Diameter16 in
Rim Width4.5 in
Weight23 lb
Max Load1580 lbs. @ 32 psi
Buy Now
Goodyear Tires

Goodyear Deluxe All-Weather | 650-16

Goodyear - Deluxe All-Weather

SidewallBlackwall
Rim Diameter16 in
Rim Width4.5 in
Weight23 lb
Max Load1580 lbs. @ 32 psi
Buy Now
Military & Truck

STA Transport | 650-16 6PR

STA - Transport

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight24 lb
Max Load1610@45 psi
Buy Now
Military & Truck

Military | NDT | 650-16

STA - STA Classic Military

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight25 lb
Max Load1610@45 psi
Buy Now
Military & Truck

STA Super Traxion | 650-16

STA - Super Traxion

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight32 lb
Max Load1610@45 psi
Buy Now
Military & Truck

STA Transport Highway | 6 Ply Rated Tubeless | 650-16

STA - Transport Highway

SidewallBlackwall
Rim Diameter16 in
Rim Width—
Weight30 lb
Max Load—
Buy Now
Military & Truck

Tornel Highway | 6 Ply | 650-16

Tornel - Tornel Classic Truck

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight31 lb
Max Load1610@45 psi
Buy Now
Military & Truck

Firestone Knobby | Truck Tread | 650-16

Firestone - Firestone Classic Truck

SidewallBlackwall
Rim Diameter16 in
Rim Width4.50 - 5.00 in
Weight21 lb
Max Load1580@32 psi
Buy Now

Frequently Asked Questions

The FAQ below focuses on the single 650-16 fitment used by Oldsmobile 70 Series, how that numeric size should be read, and how to sort passenger-style bias-ply choices from truck and military-duty alternatives in the same size.

Size Basics & Fitment

The Oldsmobile 70 Series uses 650-16 in the covered year range, which here is 1940. All listed products for Oldsmobile 70 Series in this fitment are built for 16-inch rims, and the passenger-oriented choices are bias-ply tires offered in both blackwall and wide whitewall styles. Several heavier-duty 650-16 products also appear, including truck, transport, and military-pattern tires, but they share the same 16-inch rim diameter.

That makes wheel diameter straightforward, but usage still matters. A restored passenger car normally calls for a passenger-style tread and appearance, while a truck-pattern or military-style casing may suit a specialty build or utility use more than a stock restoration. Check the wheel diameter on the car, compare the tire's listed rim width range to the wheel you have, and choose the tread and sidewall style that matches how the Oldsmobile 70 Series is being presented and driven.

On an Oldsmobile 70 Series, 650-16 is a numeric bias-ply size. The 650 portion represents a nominal section width of about 6.50 inches, while the 16 identifies the wheel diameter in inches. In the products offered for this size, the rim diameter is consistently 16 inches, and many passenger options are intended for rims around 4.50 to 5.00 inches wide.

Modern buyers sometimes expect a more detailed metric code, but prewar American passenger sizes were commonly expressed in this simpler numeric format. That means the number alone does not tell you everything about tread style, load character, or intended service. Once you know the Oldsmobile 70 Series calls for 650-16, the next step is selecting the correct bias-ply type, sidewall appearance, and wheel width match rather than treating every 650-16 as identical.

Most Oldsmobile 70 Series products in 650-16 are bias-ply tires, and for collector-car passenger applications in this format a tube is required unless a specific tire is clearly identified otherwise. That applies particularly to the period-style passenger tires used for restoration and traditional driving. One heavier-duty 650-16 product is described as tubeless, but it is a transport-oriented tire rather than a typical stock-looking passenger option.

For a restored 1940 Oldsmobile 70 Series, tube planning should be part of the fitment process rather than an afterthought. The wheel condition matters as much as the tire itself, especially on older rims that may have age, corrosion, or prior repairs. If the car is being fitted with classic bias-ply passenger tires, use the correct tube and inspect the wheel carefully so the finished installation matches both the tire construction and the intended use of the car.

Buying the Right Tire

For the covered Oldsmobile 70 Series year, the listed size is 650-16. That means the starting point is simple: verify that the car is fitted with 16-inch wheels and that the wheel width falls within the range suited to the tire you are considering. Most passenger-style 650-16 choices here are built around rims in the 4.50 to 5.00 inch range, with one listed option going as narrow as 4.00 to 4.50 inches.

After wheel diameter and width are confirmed, look at how the car will actually be used. A stock or judged restoration generally benefits from a passenger-car bias-ply tire with a period-correct blackwall or whitewall appearance, while utility-style transport or military tread belongs to a different look and driving purpose. Checking the wheel stamping, measuring the rim, and comparing the overall appearance you want will usually settle the question quickly.

Oldsmobile 70 Series tires in 650-16 are available in both blackwall and wide whitewall styles. The whitewall offerings include several widths, such as 2.50 inch, 3.00 inch, 3.75 inch, and 4.00 inch versions, while blackwall choices appear across multiple passenger and heavy-duty series. That gives the 1940 Oldsmobile 70 Series owner a meaningful range of visual presentation within the same nominal size.

The right sidewall choice depends on whether the goal is an understated driver, a showroom-style restoration, or a more personalized period look. Wide whitewalls are closely associated with late-1930s and 1940-era American styling, while blackwalls present a simpler and often more utilitarian appearance. If originality matters, compare the tire look to period photos, surviving factory literature, or marque-club guidance for the specific Oldsmobile 70 Series configuration you are restoring.

Oldsmobile 70 Series tires in 650-16 are offered by BFGoodrich, Coker Classic, Firestone, Garfield, Excelsior, Lester, Goodyear, STA, and Tornel. Those brands cover both passenger-oriented classic bias-ply designs and heavier-duty transport, military, and truck-style patterns in the same size. The broad brand spread gives owners several ways to balance appearance, period flavor, and intended use while staying within the correct 16-inch fitment.

Brand choice matters less than selecting the right type of tire for the car's mission. A restored passenger Oldsmobile 70 Series usually benefits from a classic passenger tread and sidewall style, while an STA, Tornel, or truck-pattern option may suit specialty use better than concours presentation. Once you narrow the car's purpose, compare the sidewall treatment, tread style, and rim-width suitability within the brands that offer the look you want.

Oldsmobile 70 Series tires in 650-16 are offered in several series, including Silvertown Classic Bias Ply, Coker Classic Bias Ply, Firestone Classic Bias Ply, Garfield Classic Bias Ply, Excelsior Bias Ply, Lester Classic Bias Ply, Deluxe All-Weather, Transport, STA Classic Military, Super Traxion, Transport Highway, Tornel Classic Truck, and Firestone Classic Truck. Some are clearly passenger-car restoration series, while others are truck, highway, transport, or military-duty designs. All fit the same nominal size, but they are not aimed at the same appearance or service conditions.

The practical difference is choosing a series that matches the Oldsmobile 70 Series you actually have and the way it will be used. Passenger classic bias-ply lines are the natural fit for a stock prewar sedan, especially when sidewall appearance matters. Truck and military series can share the same size and wheel diameter yet present a different tread character, load behavior, and visual impression, so they should be chosen deliberately rather than simply because they fit the rim.

Maintenance & Longevity

A stored Oldsmobile 70 Series should be kept in a cool, dry, dark space away from direct sunlight, electric motors, ozone sources, and large temperature swings. Clean tires and wheels before storage, keep inflation at an appropriate service level, and avoid leaving the full weight of the car on one spot for very long periods. Prewar-style bias-ply tires can flat-spot more readily than modern radials when a collector car sits for extended stretches.

For longer storage, move the Oldsmobile 70 Series periodically or support it in a way that reduces prolonged casing distortion while still protecting the suspension and chassis properly. Tire covers help with light exposure, and a clean concrete floor is better than damp earth or surfaces contaminated with oil and solvents. Good storage habits preserve both the appearance and the structural life of collector tires, especially on a low-mileage antique or classic car.

Tires on an Oldsmobile 70 Series should be inspected before regular road use, after long storage periods, and at routine intervals even when mileage is low. Look for sidewall cracking, tread separation, uneven wear, impact damage, air loss, valve stem condition, and any signs that the tube or casing may be compromised. On a prewar car with bias-ply tires, visual inspection alone is not always enough to reveal internal age-related deterioration.

A practical schedule is a quick walkaround before every drive and a more thorough inspection at least seasonally. If the Oldsmobile 70 Series is driven only occasionally, age and storage conditions become more important than tread depth. Any vibration, pull, thump, or sudden change in ride feel deserves immediate attention, because low-use collector tires often age out long before they wear out.

Tires on an Oldsmobile 70 Series should be replaced when age, cracking, hardening, impact damage, casing irregularity, or repeated air-loss issues appear, even if the tread still looks substantial. Collector-car tires often spend more time aging than wearing, so tread depth is only one part of the decision. Bias-ply tires on prewar cars deserve especially careful age-based evaluation because the car may seem lightly used while the tire structure has been deteriorating over time.

The right habit is to judge the whole tire, not just the visible tread. If the Oldsmobile 70 Series has been stored for years, returned to service after a long lay-up, or shows any sidewall checking, have the tires assessed before regular driving. Replacement is usually the prudent choice once age-related symptoms appear, since collector tires are supporting a valuable car with steering, braking, and suspension systems designed for a very different motoring era.

Restoration & Authenticity

The covered Oldsmobile 70 Series fitment is 650-16, and the available products in that size are all bias-ply tires built around a 16-inch rim. Within that size, the offerings include classic passenger series from several brands plus a number of truck and military-duty patterns. That means the original-style direction for a 1940 Oldsmobile 70 Series points toward a passenger bias-ply tire in the correct size rather than a utility tread, but the exact period presentation can vary by sidewall treatment and brand preference.

For restoration work, the most reliable next step is matching the car to period photos, surviving paperwork, and marque-club guidance for the specific body style and trim level. Tire size is only part of authenticity; sidewall style and tread character also influence how correct the finished car looks. Once 650-16 and the 16-inch wheel are established, the restoration decision becomes one of visual accuracy rather than basic fitment.

Correct tire fitment can absolutely affect both presentation and judging for an Oldsmobile 70 Series. Judges and knowledgeable buyers notice whether the tire size matches the period fitment, whether the sidewall treatment suits the era, and whether the tread style looks appropriate for a 1940 passenger car. A stock-looking bias-ply tire in 650-16 will generally support a more authentic appearance than a heavy-duty truck or military pattern, even though those may share the same nominal size.

The effect is strongest on well-restored cars where details separate an accurate presentation from a merely acceptable one. If the Oldsmobile 70 Series is being prepared for national judging or high-level resale, verify the sidewall width, blackwall-versus-whitewall look, and overall tread character against period references. Correct tires help the car sit properly visually and complete the era-correct stance that enthusiasts expect.

Oldsmobile 70 Series restoration tires in 650-16 are available as both blackwalls and wide whitewalls, so the correct look depends on the exact presentation being restored. The whitewall choices include multiple widths, while blackwall options are also widely available in passenger-style series. Either can be appropriate for a prewar American car of this era, but they create very different visual impressions on the finished Oldsmobile 70 Series.

A formal or highly trimmed restoration often looks most natural with a period-style wide whitewall, while a simpler specification or more restrained look may favor blackwalls. The best guide is the car's original sales literature, period photographs, and marque-club knowledge for the precise model and trim. Choosing the sidewall style carefully can change the entire character of the Oldsmobile 70 Series without changing the underlying 650-16 fitment.

Safety & Road Use

A properly fitted, correctly maintained tire in the right 650-16 size can be suitable for driving an Oldsmobile 70 Series on public roads, but the car should be treated as a prewar collector automobile rather than as a modern daily driver. Most available choices are bias-ply constructions, which deliver period-correct behavior but not the steering feel, braking margin, or emergency response of modern radial-equipped cars. Safety depends on tire age, condition, inflation, wheel integrity, alignment, and the overall mechanical health of the car.

Road use should match the limitations of both the tire design and the vehicle itself. Before regular driving, inspect the tires carefully, confirm the wheels are sound, and make sure steering, brakes, and suspension are in proper working order. A conservatively driven Oldsmobile 70 Series on fresh, appropriate tires can be enjoyable on secondary roads and event drives, but it should always be operated with generous stopping distance and modest expectations.

Before driving an Oldsmobile 70 Series, check tire inflation, visible sidewall condition, tread condition, valve stems, wheel attachment, and any sign of flat-spotting or casing distortion from storage. Because most options in this fitment are bias-ply tires, also pay attention to how the car feels in the first miles after sitting, since older-style casings can reveal storage effects before they fully warm and settle. A prewar car deserves the same attention to brakes, steering play, and wheel bearings before road use.

That pre-drive routine matters because a collector car may spend weeks or months between outings. On the Oldsmobile 70 Series, catching an inflation issue or aged sidewall early is far easier than dealing with the consequences on the road. A short, careful neighborhood test after storage is often a smart step before committing the car to a longer drive, tour, or event route.

An Oldsmobile 70 Series fitted with period-style 650-16 bias-ply tires should be driven at moderate speeds that respect both the vintage chassis and the behavior of bias-ply construction. These tires were designed for a very different motoring environment than modern interstate traffic, and the car's steering, brakes, and suspension geometry belong to that earlier era as well. Smooth, conservative road use is far more appropriate than sustained high-speed travel.

The practical goal is to drive the Oldsmobile 70 Series within the comfort zone of the whole vehicle, not merely within what the engine can do. Choose secondary roads when possible, allow extra distance for braking and lane changes, and avoid abrupt inputs that can upset a bias-ply car. If the car has older tires of uncertain age, even lower speeds and shorter outings are the sensible approach until the condition of the full running gear is established.