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1958 Porsche 356 Emory Special Speedster

FAQs

Porsche Type 356 Speedster 1955

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What to look for when buying a 356 in terms of authenticity & documentation

When buying a Porsche 356, authenticity and documentation are just as critical as the car’s physical condition. Given how valuable these cars have become—and how many have passed through multiple owners, restorations, and rebuilds—it’s essential to verify you're buying a genuine example with a traceable history. Here's what you should be looking for in terms of authenticity and documentation:

Matching Numbers and Factory Records

Start with verifying matching numbers—specifically the chassis number, engine number, and transmission number. These should correspond with what Porsche originally installed in the car when it left the factory. The best way to confirm this is to obtain a Certificate of Authenticity (CoA) or Porsche Production Specification document, which outlines the original build details including engine, transmission, color, interior, options, and delivery destination.

Matching numbers can dramatically affect value. Even if the car is in excellent condition, a non-matching engine or transmission may reduce collector appeal. However, well-documented period-correct replacements can still be acceptable to some buyers—especially if the original powertrain was lost decades ago.

Original Color and Options

Next, check whether the car’s paint color and interior trim match the original specification. Porsche offered some unique and rare color combinations, and a car in its original livery—even if it's been repainted—is often more desirable than one that’s been changed to a more modern or trendy hue. The CoA or Kardex will confirm this, and a skilled restorer can often tell whether the original paint lies beneath newer layers.

Also, be aware of factory options—things like headrests, electric clocks, chrome wheels, or even sunroofs can add value when present and correct. Many 356s were lightly optioned from the factory, so originality matters.

Body Authenticity and Rebody Concerns

Due to extensive rust or crash damage, some 356s have been rebodied or had major body components replaced. This can include replacing entire front or rear sections or even the floor pan and roof. While skilled work isn’t necessarily bad, it’s vital to know what’s original and what’s not. Look for consistent panel gaps, correct stampings, and accurate welding seams. Cars with heavily replaced sheet metal should be priced accordingly unless restored by a reputable specialist.

Watch for “Frankenstein” cars, where parts from different 356 variants (or even different years) have been mixed together during a restoration. For instance, a 356B body with 356A trim and gauges may look charming but will likely not pass muster with collectors seeking authenticity.

Paper Trail and Provenance

A well-documented ownership chain is a huge bonus. Look for:

A folder of maintenance records, invoices, and restoration receipts

Original sales documents, warranty booklets, or service stamps

Period photos, articles, or concours records if applicable

Previous registration records or titles, especially if the car spent time abroad

The more complete the history, the more confidence you can have in the car’s story—and that tends to correlate with both value and long-term desirability.

Final Expert Tip

If you're serious about buying a Porsche 356, hire a marque expert for a pre-purchase inspection. These specialists know where to look for telltale signs of originality vs. aftermarket substitutions and can spot subtle deviations that general mechanics might miss. When it comes to authenticity and documentation, a little extra effort up front can save you thousands—or prevent you from making a very expensive mistake.

Just how important are service records and ownership history?

Service records and ownership history are critically important when buying a Porsche 356—arguably more so than for most other vintage cars—because these details serve as the backbone of the car’s authenticity, provenance, and mechanical reliability. That said, how much they matter can depend on whether you’re buying the car as a collectible or a weekend driver.

For Collectors: Absolutely Essential

If you're considering a Porsche 356 as a collector or investment piece—especially a rare model like a Speedster, Carrera, or early Pre-A—service history and ownership documentation are non-negotiable. A car with complete records, matching numbers, and a known provenance (such as period photos, documented restorations, or long-term single ownership) will command significantly more value. It also gives buyers confidence that the car hasn’t been re-bodied, stolen, or poorly restored. In top-tier collector markets, lack of documentation can cost tens—or even hundreds—of thousands in diminished value.

For Drivers: Still Very Important, But With Flexibility

Even if you're buying a 356 as a fun weekend cruiser or occasional vintage tourer, service records still play a vital role in telling you how well the car was maintained. Unlike modern cars, the 356 requires regular mechanical attention—valve adjustments, carburetor tuning, brake checks, and more. Records of engine rebuilds, rust repair, electrical updates, and suspension overhauls give you insight into what has been done—and what may lie ahead. For example, a well-maintained “driver-quality” 356 with strong mechanicals but cosmetic wear is often a smarter buy than a freshly painted example with no supporting records.

Final Word

Regardless of your intent, a 356 with a clear service history and verifiable ownership trail will always be easier to sell, insure, and enjoy with peace of mind. In a car this old, paper matters. It’s your roadmap to the car’s past—and your insurance policy against expensive surprises.

Originality vs. Modified Examples: What’s More Valuable?

When it comes to Porsche 356 values, originality almost always trumps modified examples, especially in the eyes of collectors and investors. However, that doesn’t mean modified 356s are without value—far from it. The key lies in intent, quality, and context.

Originality: The Gold Standard

For collectors, originality is king. A 356 with matching engine and chassis numbers, original body panels, factory color combination, and authentic trim commands a significant premium. Even if it’s been restored, a “correct” restoration—one that uses period-appropriate parts and specs—is seen as more desirable than a modified car. Rare models like the Speedster, Carrera, or Pre-A 356s can see their values skyrocket when originality is intact, sometimes doubling or tripling compared to altered examples.

This focus on originality comes down to historical integrity and provenance. These cars represent an era, a philosophy of engineering, and a design legacy that enthusiasts and collectors want preserved. Originality also makes a car eligible for prestigious events like the Pebble Beach Concours d’Elegance or Mille Miglia re-creations, further boosting appeal.

Modified Examples: Attractive to Drivers, Not Purists

Modified 356s—whether “outlaws” with hot-rod engines, disc brakes, custom interiors, or paint—appeal to a different type of buyer: one focused on driving enjoyment over originality. These cars can be faster, more usable, and often more affordable than their stock counterparts. In fact, outlaw culture has become a respected niche, thanks to people like Rod Emory, who pioneered the idea of building performance-modified 356s that still honor the car’s spirit.

However, modified cars are generally worth less than properly restored original cars. The market penalizes them in resale value unless they were customized by a known builder or done to an exceptional standard. And once originality is gone, it can never be reclaimed.

If you're buying a 356 as an investment or collectible, go as original as possible—even patina is preferred over incorrect restoration. But if you're buying to drive and enjoy the car with some modern comforts or performance, a thoughtfully modified example may offer more fun per dollar. Just be realistic: modifications reduce value in the eyes of collectors, even if they enhance usability.

What are the most sought after Porsche 356 variants?

The most sought-after Porsche 356 variants are those that combine rarity, performance, historical significance, and design purity. While all 356s have become desirable classics, certain models stand out due to limited production, motorsport pedigree, or collector appeal. Here's a breakdown of the most coveted Porsche 356 variants:

1. 356 Carrera GS / GT Models

At the top of the list are the Carrera variants, especially the 356A Carrera GS, 356B Carrera GT, and the later 356C Carrera 2. These cars were powered by the exotic Fuhrmann-designed four-cam engines and were originally built for motorsport homologation. Their engines are complex and expensive to maintain, but they offer unmatched rarity and prestige. Carrera models regularly fetch six-figure and even seven-figure prices at auction.

Why sought-after? Motorsport pedigree, rare four-cam engine, limited production, and legendary status.

2. 356 Speedster (Pre-A and A)

The 356 Speedster, introduced in 1954, is perhaps the most iconic 356 variant. Initially a U.S.-market car intended to be a stripped-down, affordable racer, it featured a low, raked windshield, minimalist interior, and a removable top. Its raw driving feel and beautiful proportions have made it a blue-chip collectible. Early Pre-A Speedsters are particularly prized.

Why sought-after? Iconic design, lightweight simplicity, strong U.S. demand, and significant collector cachet.

3. 356A/356B Convertible D and Roadster

While not as famous as the Speedster, the Convertible D (1959) and later Roadster models offered more practicality while still keeping the open-top charm. They featured higher windshields, roll-up windows, and better weather protection, making them more usable than the Speedster while still desirable among collectors.

Why sought-after? Open-air motoring, better usability, transitional rarity between Speedster and cabriolet.

4. 356C Coupe and Cabriolet

The final iteration of the 356, the 356C (1964–1965), introduced four-wheel disc brakes and more refined engineering. While less rare than the earlier models, 356C Coupes and Cabriolets are in high demand for being the most developed and user-friendly 356s. Matching-numbers examples with factory options like the SC engine are especially desirable.

Why sought-after? Best driving refinement, disc brakes, ease of use, strong support in the enthusiast community.

5. Pre-A 356 (1948–1955)

The early “Pre-A” 356s, especially those built in Gmünd, Austria, are the holy grail for some collectors. These cars are ultra-rare, handmade in small batches, and represent the very beginning of Porsche’s automotive legacy. Their value is astronomical, and they are mostly found in museums or high-end collections.

Why sought-after? Historical significance, hand-built rarity, early Porsche heritage.

If you’re looking for a collectible investment, aim for a Carrera, Speedster, or Pre-A. If you want a great-driving classic, the 356C or 356B Super 90 models are smart buys. And if you're chasing the romantic Porsche experience with an open top, the Convertible D and Roadsters strike a great balance. As with any classic, condition, originality, and documentation are key in determining ultimate desirability and value.

What are the underrated Porsche 356 variants buyers should consider?

While the Porsche 356 Speedsters, Carreras, and Pre-A examples grab the headlines (and the high auction bids), there are several underrated Porsche 356 variants that savvy buyers and enthusiasts should consider. These models often offer the same fundamental Porsche charm and driving experience, but at more accessible prices—or with unique historical or mechanical traits that make them special. Here's a breakdown of some of the most underrated Porsche 356 variants:

1. Porsche 356B Coupe (T5 and early T6)

The 356B Coupe—especially the T5 generation (1959–1961)—has long flown under the radar. While not as visually delicate as the earlier A-series or as modern as the C-series, T5 Coupes offer a sweet spot in terms of affordability, reliability, and classic 356 aesthetics. The early T6 Coupes (1962–63) added functional updates like twin grilles and external fuel filler necks, while maintaining the upright classic look.

Why it's underrated: Overshadowed by Speedsters and C models, but mechanically solid and still has that vintage Porsche charm. These are some of the best-driving bargains in the 356 world.

2. Porsche 356B Super 90

The Super 90 engine was a performance upgrade available across 356B and early 356C models, offering around 90 horsepower, making it a real step up in speed and refinement. It’s not a Carrera, but it was the top non-Carrera engine option at the time. Because it doesn’t wear the “Carrera” badge or fetch the same prices, it often gets overlooked—yet it's a seriously rewarding drive.

Why it's underrated: Near-Carrera performance without the Carrera price tag. Enthusiasts love it, but casual buyers often pass it by.

3. Porsche 356C Coupe

The 356C is the most modern and refined of the series, with four-wheel disc brakes, improved suspension, and stronger engines (particularly in the SC trim). While the Cabriolet versions are more expensive and collectable, the Coupe versions—especially non-SC models—can be relative bargains that deliver an excellent ownership experience.

Why it's underrated: Best driving dynamics of the 356 lineup, excellent parts support, and still a “real” 356. Great for weekend touring or regular use.

4. Porsche 356A Coupe

The 356A Coupe—particularly in normal trim—is often overlooked in favor of the more rare Speedster or four-cam cars of the same era. But it captures the early Porsche aesthetic and mechanical simplicity, with a lovely balance of vintage styling and daily usability. It’s also significantly more affordable than its open-top siblings.

Why it's underrated: Early 356 feel and shape at a fraction of Speedster prices. For buyers who value design purity and historical feel over badge prestige.

5. Porsche 356 "Outlaws" and Light Restomods

While originality reigns supreme for collectors, tastefully modified 356s—often called “Outlaws”—can offer tremendous fun, style, and value. These cars typically feature upgraded suspension, disc brakes, modern engine internals or swaps, and visual tweaks. While they won't win Pebble Beach, they often drive better than factory-spec cars and are generally priced below their concours-grade counterparts.

Why it's underrated: Great for driving enthusiasts who care more about fun and performance than concours correctness. Some builds are exceptionally well done and offer superb value.

Final Thoughts

Buyers looking for a Porsche 356 shouldn't dismiss these variants just because they aren't the headline-grabbers. Whether you're after driving enjoyment, long-term reliability, or smart investment upside, these underrated 356 models offer real-world usability and classic charm without the six-figure buy-in. They represent a chance to own a piece of Porsche history—without following the herd.