What size wheels are on a Model A Ford?
The Model A Ford, produced from 1927 to 1931, rolled on 21-inch wheels, with the standard tire size commonly listed as 4.50-21. This pairing is the baseline for most restored Model As, though there were occasional variations in wheel style and tire availability.
Understanding the wheel size matters for restoration, maintenance, and sourcing period-correct tires. This article explains the typical wheel diameter, the common original tire size, and what to consider when replacing or upgrading wheels today.
Wheel size basics
Here are the core dimensions you’ll most often encounter when dealing with a Model A restoration or purchase:
- Wheel diameter: 21 inches
- Standard original tire size: 4.50-21
- Common wheel styles: pressed steel wheels, with optional wire wheels or disc-style wheels; all consistent with 21-inch rims
These specifications reflect the era’s design and are the most reliable starting point for authentic restoration or tire replacement decisions.
Modern restoration considerations
When selecting tires today, enthusiasts typically aim for 21-inch tires in the 4.50-21 class to match the original look and handling. Confirm compatibility with your wheel type (steel vs. wire) and note that older Model A wheels were designed for inner tubes; many modern tires are tubeless, which may require adapters or tube-type setups depending on the wheel and vintage configuration.
- For authentic appearance, pursue 21-inch tires in the 4.50-21 range
- Verify wheel compatibility with the tire brand’s specifications and your wheel style
- Consult restoration guides or tire manufacturers specializing in vintage Ford models for tubed vs. tubeless configurations
In practice, the essential takeaway is that the Model A’s wheel diameter remains 21 inches, with the traditional tire class of 4.50-21 serving as the baseline for most restorations and replacements.
Summary
The Model A Ford’s standard wheel size is 21 inches in diameter, paired with the classic 4.50-21 tire. This remains the baseline reference for authenticity in restorations, while modern tire options offer compatible reproductions and tubed/tubeless configurations depending on the wheel and build.
What size tires are on a 1928 Model A?
440/450-21
Model A Ford 1928–1931
From 1928-1929. The Ford A continued to fit 440/450-21 tyres. The 4.40/4.50 x 21 Lucas tyre in this size is extremely good value.
What size are the wheels on a Model A?
- From 1930 and onwards the Ford Model A was fitted with 19 inch wheels with tyre size 4.75x19. Blockley is the only tyre company in the world that produces a genuine 475x19 tyre size, which is marked on it's sidewall 475/500x19 because people are often asking for this!
What is a Model A worth today?
The value of a Ford Model A depends on its year, condition, body style, and historical significance, with prices for common models in good condition typically ranging from about $13,000 to over $20,000. High-end, rare, or exceptionally well-maintained examples can sell for significantly more, sometimes reaching tens of thousands of dollars at auction, while poorly maintained or heavily modified cars might only be worth a few thousand. For a 1928 model, a good condition car is around $15,700, while a 1929 model in similar condition averages about $16,708.
Factors that influence value
- Condition: A car in excellent running and visual condition will be worth much more than one in need of extensive repairs.
- Body Style: Some body styles, like the phaeton or roadster, can command higher prices than common sedans.
- Originality: Cars that are highly original or have been restored to factory-correct specifications are often more valuable than heavily modified "street rod" versions.
- History: A car with a documented and well-maintained history, especially if it's a significant or rare model, can increase its value.
- Market Demand: While demand for Model A's has been steady, the market can be influenced by collector trends and overall economic conditions.
Example price ranges (for 1928-1931 common models)
| Condition | Typical Price Range |
|---|---|
| Poor | \$2,500–\$6,000+ |
| Average (Good) | \$13,000–\$17,000+ |
| Excellent | \$20,000–\$30,000+ |
| Pristine/Rare | \$30,000+ (can reach over \$85,000 for exceptional examples at auction) |
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What wheels fit a model Ford?
19x3 Ford Model A Welded Spoke Wheel
Made in the USA, these Model A wheels are a perfect bolt on fit. The Roadster Welded Wire wheels come in either a 19 or 21 inch diameter, both are 3 inches wide. The 21 inch comes with a knife edge. The 19 inch has a rolled edge.
