1949 MG Midget Tires

The 1949 MG Midget sits squarely in the postwar British sports-car tradition, with compact proportions, open-air character, and the light, direct feel that made MG a favorite among enthusiasts on both sides of the Atlantic. For owners of a TC, tire choice is closely tied to preserving that distinctly vintage driving presentation. This car uses a 450-19 bias-ply tire on a 19-inch rim, keeping fitment firmly in an early sports-car sizing convention. Available choices center on traditional blackwall designs across several vintage tire series and brands. The key decision is usually whether to keep a restoration-oriented bias-ply look and feel while confirming wheel width and overall condition before road use.

Which Tire Size Is Right for The 1949 MG Midget

The 1949 MG Midget uses one primary tire size: 450-19, a bias-ply fitment for a 19-inch rim. That fitment remains consistent for the TC sub-model, so the main decision is not which primary size fits, but which 450-19 tire best matches the car's intended use, visual style, and wheel setup.

1
450-19Numeric bias-ply
Fit(s): TC
Construction: Bias PlyRim: 19 in

The 450-19 size uses a vintage numeric bias-ply format in which the first number represents a nominal section width of about 4.50 inches and the final number identifies a 19-inch rim. On a 1949 MG Midget, that means a traditional bias-ply construction suited to the car's original-era wheel and tire character. In this size, choices include Excelsior, Ensign, and Firestone offerings, all in blackwall form, with series such as Ensign B5, Triple Road, Comp H, and Firestone Classic Bias Ply. Selecting among them comes down to matching the tire's period-style presentation and rim-width suitability to the specific wheels on the car.

Explore 450-19 Tires

1949 MG Midget Sub-Model Tires

Tire fitment is straightforward for the covered 1949 MG Midget sub-model. The TC uses the same primary 450-19 bias-ply size, so the focus shifts from size identification to choosing the right tire series and confirming wheel compatibility.

1

1949 MG Midget TC

The 1949 MG Midget TC uses the 450-19 bias-ply tire size on a 19-inch rim, keeping fitment consistent with the car's vintage sports-car layout. That makes tire selection more about choosing among period-style blackwall options and checking wheel width than sorting through multiple primary sizes.

Associated Tire Sizes

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:

  • Wheel modifications (wider rims, offset changes, aftermarket wheels)
  • 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 1949 MG Midget Tires for Sale

Available 450-19 choices for the 1949 MG Midget include Excelsior, Ensign, and Firestone bias-ply blackwall tires. The product grid is where to compare vintage tire series, rim-width specifications, weight, and details such as the Ensign B5 load rating of 715 lbs @ 36 psi.

Showing 5 of 5
Bias Ply

Excelsior | 450-19

Excelsior - Excelsior Bias Ply

SIDEWALLBlackwall
RIM DIAMETER19 in
RIM WIDTH2.50 - 3.00 in
WEIGHT18 lb
MAX LOAD—
Buy Now
Bias Ply

Ensign B5 Blackwall Tire | 450-19

Ensign - Ensign B5

SIDEWALLBlackwall
RIM DIAMETER19 in
RIM WIDTH2.5 - 3.0 in
WEIGHT20 lb
MAX LOAD715 lbs @ 36 psi
Buy Now
Bias Ply

Ensign Triple Road Race | 450-19

Ensign - Triple Road

SIDEWALLBlackwall
RIM DIAMETER19 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD—
Buy Now
Bias Ply

Excelsior Comp H | 450-19

Excelsior - Comp H

SIDEWALLBlackwall
RIM DIAMETER19 in
RIM WIDTH3.5 in
WEIGHT18 lb
MAX LOAD—
Buy Now
Bias Ply

Firestone | 450-19

Firestone - Firestone Classic Bias Ply

SIDEWALLBlackwall
RIM DIAMETER19 in
RIM WIDTH—
WEIGHT18 lb
MAX LOAD—
Buy Now

Frequently Asked Questions

Owners of a 1949 MG Midget usually want clarity on the 450-19 tire size, 19-inch rim fitment, bias-ply construction, product differences, and the basic checks that matter before putting a lightly used vintage sports car back on the road.

Tire Size & Fitment

What tire size fits a 1949 MG Midget?

The 1949 MG Midget uses a 450-19 tire size. For the TC sub-model, that fitment is a bias-ply tire mounted on a 19-inch rim, which places it firmly in an early numeric vintage sizing format rather than a later alphanumeric or metric system.

That means the first step is choosing a proper 450-19 tire rather than trying to match the car with a modern-looking size code. Since several 450-19 bias-ply options exist, the real comparison is between tire series, brand, rim-width suitability, and the kind of period-style appearance you want the car to carry.

What size rim does a 1949 MG Midget use?

A 1949 MG Midget uses a 19-inch rim with its 450-19 tire size. Product fitments in this size are built around that 19-inch diameter, so the wheel diameter on the car needs to match before any tire choice is narrowed further.

Diameter is only part of the fitment picture on a narrow vintage wheel. Several 450-19 products also reference rim-width suitability, so it helps to confirm the actual wheel width on the car, especially if wheels have been replaced, restored, or mixed over time on a long-owned collector vehicle.

Does the 1949 MG Midget TC use the same tire size?

Yes. The 1949 MG Midget TC uses the same 450-19 bias-ply tire size associated with this fitment. That keeps tire selection relatively simple because the TC does not branch into multiple primary sizes within this covered application.

Even with a shared size, the right choice still depends on the actual wheels and the role of the car. A restoration-oriented TC may call for a traditional blackwall presentation, while a car driven more regularly may lead the owner to compare tire series, construction details, and rim-width recommendations more closely.

Choosing the Right Tire

What should I consider when choosing a 450-19 tire for a 1949 MG Midget?

Start with the fundamentals: the 1949 MG Midget uses a 450-19 bias-ply tire on a 19-inch rim. After confirming size and construction, compare the available tire series, brand, sidewall style, rim-width specification, weight, and any stated load information that may help separate one product from another.

The best choice depends on how the car is used and presented. A restoration-minded owner may prioritize a traditional vintage appearance, while a roadgoing car may call for closer attention to wheel width and general service demands. Matching the tire to the wheel and the car's purpose matters more than choosing by brand name alone.

What brands offer tires for the 1949 MG Midget?

The 1949 MG Midget has 450-19 tire options from Excelsior, Ensign, and Firestone. Those choices stay within bias-ply construction and blackwall styling, but they differ by tire series, individual specifications, and wheel-width suitability depending on the product.

Brand selection should be treated as one part of a broader fitment decision. It helps to compare the specific series offered in 450-19, along with any stated rim-width range, weight, or load figure, so the final choice supports both the car's vintage character and the actual wheel setup being used.

What tire series are available for the 1949 MG Midget?

In 450-19, the 1949 MG Midget can be fitted with several vintage-style series, including Excelsior Bias Ply, Ensign B5, Triple Road, Comp H, and Firestone Classic Bias Ply. All of them remain within a blackwall, bias-ply presentation that suits the car's pre-war-derived sports-car character.

Series choice matters because it helps distinguish the tire's appearance and specification details within the same overall size. Looking at the individual series can help narrow the field when you want a certain vintage look, need a particular wheel-width match, or simply want to compare the available 450-19 options more carefully.

Restoration & Appearance

Which tire should I choose for a period-style 1949 MG Midget?

A period-style 1949 MG Midget usually starts with the original-type 450-19 bias-ply format and a traditional blackwall presentation. That keeps the car visually aligned with the narrow, tall-tire look expected of a late-1940s MG sports car without pushing it toward a later modern appearance.

Within that size, the choice comes down to how closely you want the tire's series and proportions to support the car's restoration goals. If exact historical accuracy matters beyond general period style, it is wise to compare your tire choice against marque references, photos, and vehicle-specific documentation before finalizing the set.

Does correct tire fitment matter for a 1949 MG Midget restoration?

Yes, correct tire fitment matters greatly on a 1949 MG Midget restoration because the tire has a strong effect on stance, wheel appearance, and the overall visual balance of the car. The proper 450-19 bias-ply format preserves the tall, narrow look associated with this MG application.

Fitment also affects the restoration mechanically, not just visually. A tire that matches the wheel diameter but ignores wheel width or condition can create avoidable problems during mounting or use. Confirming the actual rim setup and selecting a tire with an appropriate vintage presentation helps the finished car look and function more convincingly.

Fitment, Maintenance & Road Use

Can modifications affect tire fitment on a 1949 MG Midget?

Yes. Any change to the wheels, suspension, ride height, brake setup, or body clearances can affect tire fitment on a 1949 MG Midget, even when the intended tire size remains 450-19. Vintage cars are especially sensitive to wheel-width differences and small clearance changes at full steering lock.

A modified MG should be checked carefully before choosing tires by size alone. Confirm the actual rim diameter and width, inspect front and rear clearance, and make sure nothing contacts the tire during steering or suspension movement. That matters whether the change is a visible customization or a long-ago repair made by a previous owner.

What should I inspect before driving a 1949 MG Midget on new tires?

Before driving a 1949 MG Midget on new tires, inspect the wheels for correct diameter, sound condition, and proper width for the chosen 450-19 product. The car should also be checked for suspension wear, loose steering components, and any signs that a tire could rub under turning or movement.

A fresh set of tires cannot compensate for old mechanical issues on a lightly used collector car. Tire pressure, lug security, tube-related service requirements where applicable, and basic alignment condition all deserve attention before regular road use. A careful inspection helps the car feel more settled and reduces the risk of early tire problems.

How should 450-19 tires on a collector 1949 MG Midget be maintained?

Collector-car 450-19 tires should be maintained with regular pressure checks, visual inspection, and sensible storage habits. On a 1949 MG Midget that may spend long periods parked, watch for sidewall cracking, tread separation, bulges, cuts, flat spotting, and slow air loss before each return to service.

Storage conditions matter almost as much as mileage on an older sports car. Keeping the MG away from prolonged sunlight, excess heat, moisture, and ozone sources can help preserve the tires between drives. It also helps to inspect them more often than a daily driver, since age and inactivity can matter as much as tread wear.