1:18 vs 1:24 vs 1:43 vs 1:64: Which Diecast Scale Should You Collect?

1:64 is the best scale for collectors who want variety and low cost per model, 1:43 is the best balance of detail and shelf space, 1:24 suits display-focused collectors with moderate room, 1:18 delivers the highest detail for collectors who want a small number of showpiece models, and 1:87 is the scale to choose if you are collecting transit buses or building a model railroad layout. Most serious collectors eventually settle on one or two scales rather than buying across all of them.

Scale is the single decision that shapes a diecast collection more than brand, subject or budget. It determines how much shelf space you need, how much each model costs, how much detail you get, and — critically — how easy it will be to find models in the future.

At Awesome Diecast, we have been helping collectors make this choice since 2002 from our showroom in Boca Raton, Florida. This guide breaks down the five most popular scales — including where Iconic Replica Trucks and Iconic Replicas 1:87 Scale buses fit in — so you can commit with confidence.

What does diecast scale actually mean?

Diecast scale is the ratio between the model and the real vehicle. A 1:18 scale model is one-eighteenth the size of the real car. The larger the second number, the smaller the model.

This trips up new collectors constantly: 1:64 is smaller than 1:18, even though 64 is a bigger number. A useful rule of thumb — bigger number, smaller model.

Scale is not the same as size. Two 1:64 models can be noticeably different lengths if one replicates a Mini Cooper and the other a Peterbilt 389. Scale describes the ratio, not the finished dimensions.

Diecast scale comparison chart

Approximate dimensions below are based on a typical mid-size car of roughly 15 feet (4.5 m) in real life; the 1:87 row also covers transit buses, where Iconic Replicas is currently the benchmark brand.

Prices are indicative ranges from our current catalogue and vary by manufacturer and subject.

Browse everything organised by ratio on our Shop By Scale page.

1:18 scale — maximum detail, maximum presence

Choose 1:18 if you want models that function as display pieces rather than a collection you scale up over time.

At roughly 10 to 11 inches long, a 1:18 model has enough physical size to justify real engineering. Doors, hoods and trunks open. Engine bays are individually detailed. Steering often works. Wheels frequently carry brand-correct badging and visible brake components.

Brands to know: Kyosho, Minichamps, Norev, MCG and Maisto at the accessible end. A Kyosho 1:18 Ferrari 250 GTO runs around $390 in our showroom; a Norev Volkswagen Golf GTi sits nearer $120. That spread tells you most of what you need to know about the scale — the ceiling is high, but there are genuine entry points.

The trade-off is space. Ten 1:18 models need roughly three to four feet of shelf depth-adjusted display. Twenty need a dedicated cabinet. This is a scale you curate, not accumulate.

Explore 1:18 scale diecast cars.

1:24 scale — the display collector's middle ground

Choose 1:24 if you want opening parts and visible interior detail without surrendering an entire room.

At 7 to 8 inches, 1:24 keeps much of what makes 1:18 satisfying — openable panels, detailed dashboards, engine detail on many releases — in roughly half the footprint. It is also historically the model-kit scale, so subject coverage of American muscle, classic trucks and pickups is deep.

For truck collectors specifically, 1:24 and 1:25 are strong: cab detail reads properly at this size in a way it does not at 1:64.

Explore 1:24 scale diecast cars and 1:24 diecast trucks.

1:43 scale — the collector's scale

Choose 1:43 if subject variety matters more to you than opening doors.

1:43 has been the international collector standard for decades, and it remains the scale with the widest subject coverage in the world — obscure European saloons, Le Mans racers, one-off concept cars, coachbuilt Rolls-Royces, emergency vehicles from specific municipalities.

Most 1:43 models have sealed bodies. What you get instead is exceptional paint, sharp tampo printing, accurate proportions and, increasingly, resin construction that captures body shapes diecast tooling cannot. Resin specialists like AutoCult and Goldvarg Collection produce 1:43 models in limited runs that hold value well.

At four inches, a hundred models fit in the space thirty 1:18s would demand. For collectors building around a theme — a specific marque, a race series, a decade — this is usually the right answer.

Explore 1:43 scale diecast cars.

1:64 scale — the fastest-growing scale in collecting

Choose 1:64 if you want the most models for your budget and the most active new-release market.

1:64 has changed enormously in the last decade. It used to mean basic mass-market castings. Today, brands like Inno64, Time Micro, Mini GT, Auto World and Johnny Lightning produce 1:64 models with rubber tyres, photo-etched details, opening features and paint quality that would have been 1:43 territory fifteen years ago — typically between $20 and $35.

It also dominates two of the strongest collecting niches:

• JDM — Skylines, Supras, RX-7s and widebody conversions. Our JDM collection moves faster than almost anything else in the store.

• Trucking — DCP by First Gear produces 1:64 Peterbilt and Kenworth tractor-trailer combinations with authentic fleet liveries, and Iconic Replica Trucks has become a second strong option in the same scale, with fleet and municipal liveries that haulage collectors buy by the fleet. See 1:64 diecast trucks.

Ten 1:64 models occupy about the same shelf space as one 1:18. That maths is why many collectors who start elsewhere end up here.

Explore 1:64 scale diecast cars.

1:87 (HO) scale — buses, transit and model railroad collecting

Choose 1:87 if you collect transit buses, run a model railroad layout, or want a scale that integrates cleanly with HO-gauge scenery.

At around 2 inches, 1:87 is the smallest scale in this guide, and it exists for a specific reason: it matches HO-gauge model railroading, the most widely built layout standard in the hobby. That makes it the default choice for bus and transit collectors, since a 1:87 vehicle sits correctly alongside HO trains, stations and street scenery.

Iconic Replicas 1:87 Scale buses are currently the most detailed option in the category — accurate route liveries, destination signage, and body proportions that hold up against HO train sets and street dioramas. For collectors assembling a transit fleet or a city-scene layout, these are usually the starting point.

Not every bus collector wants to be tied to HO-gauge dimensions, though. Iconic Replicas Non-1:87 Scale Buses — produced in larger ratios closer to 1:64 — give collectors a bus with more shelf presence and finer surface detail for display purposes, without requiring a full model railroad setup. They pair naturally with a 1:64 car or truck collection rather than an HO layout.

A simple way to decide between the two: if the bus needs to sit next to a train, go 1:87. If it needs to sit next to your 1:64 cars and trucks on a display shelf, go with the non-1:87 option.

How to choose your scale: three practical questions

1. How much display space do you actually have? Measure it before you buy. A 36-inch shelf holds roughly 3 models at 1:18, 5 at 1:24, 8 at 1:43, 12 at 1:64, or close to 18 at 1:87 with proper spacing.

2. Are you collecting subjects or objects? If a specific 1962 Ferrari matters more than the model's mechanical features, go smaller — 1:43 or 1:64 will have it. If you want to open a door and look at a dashboard, go larger. If you're collecting a specific bus route or transit agency, scale is dictated by whether the model exists in 1:87 or not.

3. What is your realistic annual budget? Divide it by the typical price in each scale. Twelve models a year at $30 is a very different collecting experience from three at $150 — and neither is wrong.

Still weighing it up? Our category-specific guides go deeper: choosing the right scale for cars, for trucks, and for emergency vehicles.

See the scales side by side in Boca Raton

Photographs flatten scale. A 1:43 model looks substantial on a product page and surprisingly small in your hand — and a 1:87 bus is easy to underestimate until it's next to a 1:64 car.

If you are anywhere in South Florida, the fastest way to decide is to hold all five scales. Our Boca Raton showroom carries over 8,500 models across every scale in this guide, including Iconic Replica Trucks and Iconic Replicas buses, and we are the largest dedicated diecast store in the Southeastern United States. Collectors travel to us from Fort Lauderdale, West Palm Beach, Miami and across Palm Beach County — and we ship worldwide for everyone else.

Frequently asked questions about diecast scales

What is the most popular diecast scale?

1:64 is the most widely collected diecast scale by volume, driven by its low price per model and the recent surge in premium 1:64 releases from brands like Inno64, Mini GT and Time Micro. 1:18 and 1:43 remain the most popular scales among collectors focused on detail and rarity respectively.

Is 1:18 bigger than 1:24?

Yes. 1:18 scale models are larger than 1:24 scale models. A 1:18 car measures roughly 10–11 inches, while a 1:24 car measures roughly 7–8 inches. The smaller the second number in the ratio, the larger the model.

How big is a 1:64 scale car?

A 1:64 scale car is approximately 2.5 to 3 inches long — about the length of a credit card. This is the scale most people recognise from Hot Wheels and Matchbox, though premium 1:64 brands now offer far higher detail at the same size.

Which diecast scale holds its value best?

Limited-run models hold value best regardless of scale, but 1:43 resin models and limited-edition 1:18 releases have historically shown the strongest appreciation, because production runs are small and subjects are often not re-released. Condition and original packaging matter more than scale itself.

Can I mix diecast scales in one display?

You can, but mixing scales in a single diorama or display shelf breaks the visual proportion and makes both models look wrong. Most collectors group by scale and dedicate separate shelves. If you build dioramas, keep every element — vehicles, figures, buildings — in the same scale.

What scale are diecast model trucks usually?

Diecast trucks are most commonly produced in 1:64, 1:50 and 1:24 scale. 1:64 dominates the American tractor-trailer market through DCP by First Gear and Iconic Replica Trucks, 1:50 is the standard for construction and commercial equipment, and 1:24 offers the most cab and interior detail.

What scale are diecast buses usually?

Most diecast transit buses are produced in 1:87 (HO) scale so they integrate with model railroad layouts, with Iconic Replicas 1:87 Scale buses among the most detailed currently available. Collectors who want a bus with more shelf presence, and who are not building a railroad layout, often choose Iconic Replicas Non-1:87 Scale Buses instead.

Where can I buy diecast models near me in Florida?

Awesome Diecast operates a physical showroom at 141 NW 20th St., Suite H-6, Boca Raton, FL 33431 — the largest dedicated diecast store in the Southeastern United States, with over 8,500 models in stock across all major scales. We are open Monday to Friday 9:00 AM–6:00 PM and Saturday 10:00 AM–3:00 PM EST, and we ship worldwide.

Which scale should a beginner start with?

Beginners are usually best served starting in 1:64 or 1:43. Both are affordable enough to experiment with subjects and brands before committing, and both let you build a visually satisfying collection quickly without needing a dedicated display cabinet.

Start your collection

Whichever scale you land on, we stock it. Browse new arrivals, shop by scale size, or visit us in Boca Raton to see the difference in person — Iconic Replica Trucks and Iconic Replicas buses included.