10 FAQs About Diecast Models Answered

A Blog by Mustafa Mustafa

Diecast models are detailed replicas that capture everything from sleek sports cars to iconic aircraft and heavy-duty trucks. Whether you’re a diehard collector or just starting your diecast journey, there’s always something new to discover.

From common myths to collector secrets, we’re answering the 10 most frequently asked questions about diecast models—let’s start.

1. If I Take My Diecast Model Out of the Box, Does It Lose All of Its Value?

The debate between leaving your diecast model sealed in its box or displaying it freely has been around for years. If you’re hoping your collection will appreciate in value, you may worry that opening the box will diminish its worth.

Here’s the truth: Keeping your diecast model in mint condition is important, but taking it out of the box doesn’t automatically make it worthless.

Collectors generally value items in three conditions:

• Mint in Box (MIB): Perfect condition with unopened packaging—this is the most valuable for serious collectors.

• Loose but Mint: Opened but in pristine condition—still valuable, especially for rare models.

• Displayed or Played With: Out and enjoyed—great for personal enjoyment, but lower resale value.

If you choose to open your model, keep the original packaging, this helps retain its value while allowing you to enjoy the craftsmanship.

2. What Are the Biggest Mistakes Beginners Make When Starting a Diecast Model Collection?

Starting a diecast collection is exciting, but beginners often fall into common traps that can make the experience frustrating or expensive. Here are a few to avoid:

• Impulse Buying: Without a clear focus, you may end up with an unorganised collection. Decide whether you want to collect cars, aircraft, trucks, or a combination, and stick to that theme.

• Ignoring Scale Sizes: Diecast models come in various scales. For cars, 1:18, 1:24, 1:43, and 1:64 are common, while aircraft are often 1:72 or 1:200. Pay attention to these measurements, as larger models require more display space.

• Improper Storage: Exposure to sunlight and humidity can cause paint to fade and metal to corrode. Always store your models in climate-controlled environments or display cases.

Starting small with high quality models from trusted brands like Bburago, Tamiya, and Drake Collectibles is a smart way to build a meaningful collection over time.

3. Can I Modify My Diecast Model, or Will Collectors Hunt Me Down for It?

If you want to personalise your diecast model, you’re not alone. Many enthusiasts enjoy customising their models through painting, detailing, or even swapping parts.

Yes, you can modify your diecast models, but keep in mind that any alterations typically decrease their resale value, especially if they are limited edition or vintage.

If your goal is to enjoy the creative process, modifying common models is a great way to make your collection unique. Just be cautious when working on rare or high-end pieces, as these are best left in their original state.

4. Are Diecast Models Just for Display, or Can I Take Them for a (Tiny) Spin?

While you can’t take a diecast car on a real road trip, many models are built with functional moving parts that add a hands-on element.

Certain brands design diecast models with features like working wheels, opening doors, hoods, and even movable landing gear for aircraft models. However, high-end display models often prioritize appearance over function and may not have moving parts.

If you want diecast models you can interact with, explore brands like Scalextric for cars and Gemini Jets for aircraft.

5. If I Keep My Diecast Model in the Box Forever, Will It Fund My Retirement?

It’s true that some rare diecast models have sold for thousands of dollars, but not every model will become a goldmine.

Models that appreciate the most typically meet these criteria:

• Limited Production Runs: Smaller production numbers mean greater scarcity and increased value.

• Special Editions: Exclusive or commemorative models often hold their value better.

• Iconic Brands & Licenses: Models licensed by well-known manufacturers (such as Ferrari or Boeing) tend to be more valuable.

While it’s possible for a carefully curated collection to become valuable, most collectors purchase diecast models out of passion, not as an investment strategy.

6. If I Drop My Diecast Model, Will It Dent Like a Real One or Survive Like a Tank?

Diecast models are made from zinc alloy, which is more durable than plastic but still susceptible to damage.

The chassis can withstand minor bumps, but delicate parts—like mirrors, antennas, and landing gear—are prone to breakage. Displaying models in sturdy cases and handling them carefully ensures they stay in top condition.

7. Why Do Some Diecast Models Cost More Than My Actual Car?

The price of a diecast model is determined by a few key factors:

• Craftsmanship & Detail: High-end models often feature fine details like working suspension, removable panels, and realistic interiors.

• Brand & Licensing: Officially licensed replicas from brands like Ferrari, Porsche, and Boeing come with additional costs.

• Limited Availability: Small production runs make certain models extremely rare and desirable.

While you can find affordable models, premium pieces are crafted with incredible precision—justifying their higher price.

8. Why Do Some Diecast Models Have Moving Parts and Others Don’t?

Diecast models with moving parts—such as doors, hoods, and wheels—are usually produced in larger scales (1:18, 1:24) because there’s more room for mechanical features.

Smaller-scale models prioritise accuracy over functionality. Manufacturers often choose to focus on exterior detail rather than incorporating working parts, especially for delicate designs like aircraft and heavy machinery.

9. Is a Bigger Diecast Model Always Better, or Does Size Not Matter?

Bigger isn’t always better—it depends on what you want from your collection.

• Larger Models (1:18, 1:24): Provide exceptional detail and working parts but require more display space.

• Smaller Models (1:64, 1:72): Easier to store and collect in bulk while still offering impressive craftsmanship.

Your choice should balance space, detail, and personal preference.

10. What’s the Rarest Diecast Model Ever Made?

One of the rarest and most valuable diecast models is the 1969 Pink Rear-Loading Volkswagen Beach Bomb by Hot Wheels, which is valued at over USD 175,000.

Other rare finds include:

• Herpa’s Lufthansa A380 Limited Edition, a highly sought-after aircraft model.

• CMC Ferrari 250 GTO, an exceptional replica known for its attention to detail.

Rare models can be found through collector forums, auctions, and specialty shops, making the hunt for these treasures part of the excitement.

Start Your Diecast Model Collection Today

Whether you’re passionate about supercars, vintage trucks, or historic aircraft, diecast models offer a unique blend of artistry and engineering. Explore Hobbyco’s Diecast Collection today and discover a world of precision, detail, and collectable excellence.

With locations conveniently located throughout Metro Sydney, finding the perfect hobby shop near you has never been easier. Experience the excitement of exploring our vast selection of diecast models, expert advice, and exceptional customer service. Discover why Hobbyco is the number one hobby shop in Australia. Customers can buy products online through our platform.