Supercar Collectible

Display currency

CHF

Platform currency

Market values are normalized for comparison. Original MSRP and sold prices remain preserved in their source currency.

Currency converter

In CHF

CHF 91'940

1 EUR = 0.9194 CHF

ECB reference · AED/USD peg · 2026-10-30

Researching

Porsche · 1953–1956

550 Spyder

Vehicle facts

Built

—

Research in progress

Powertrain

B4

Technical profile in progress

Output

110 PS / 81 kW

Existing catalog value

Indicative value

CHF 2.12M

1 approved market guide sources · indicative only

About this car

SCI Collector Score, the collector case, essentials, market & analysis.

SCI Collector Score

SCI-1.5.0
58/100

Cautious · Cautious

SCI scale

Tap a color to explore the scale.

6/10

Current · 6/10 · Balanced zone

19

Evidence Confidence

50%

Coverage

ResearchingRisk —

SCI 1.5

Collector score.

75%

Collector core

25%

Market

Factor breakdown

Open any factor to see what it means and which evidence supports it.

8 factors
How SCI works

Collector quality and evidence are separate. Structural collector factors carry 75%; observable market factors carry 25%.

Methodology & score history
Research notes

Publication gates

• No coherent sold-price benchmark is available.

• Needs at least 5 comparable sold observations inside the 36-month market window.

• Needs at least two independent source providers in the benchmark window.

• Needs at least two comparable sales in the last 24 months.

• Data Confidence must reach at least 68/100.

Rationale

• Listing-supply coverage is not yet sufficient, so Supply Dynamics remains unscored and Data Confidence is capped.

• Collector Evidence G contributes source-backed structural evidence from 4 independent sources; it does not substitute for transaction evidence.

• SCI 1.5 separates structural collectibility from evidence confidence: scarcity, collector significance and future relevance carry 75% of SCI; observable market factors carry 25%. Thin public-market evidence primarily reduces Confidence rather than intrinsic collector quality.

• Uncovered factors retain conservative neutral priors in the score model while their missing support remains visible in factor coverage and Evidence Confidence; they are never presented as equally evidenced facts.

• SCI is indicative: the collector score clears the coverage gate, while Verified publication still requires the independent market-evidence gates.

Collector intelligence

Why it matters.

The collector case in a few signals first. Full editorial notes and source detail remain available below.

Heritage

Blue-chip historic Porsche competition car: RM Sotheby's documented a 1955 550 Spyder sale at €3,464,375 in 2024 and foregrounded matching components and period…

Rarity

Porsche Newsroom states 89 Type 550 cars were built from 1953 before the evolved 550 A (40 cars).

Engineering

RM Sotheby's cataloguing uses a 90-car customer-Spyder count

Collector signal

the differing count basis is flagged rather than reconciled.

Key checksVery high: matching engine/gearbox, original body/components, period race entries and uninterrupted ownership…Primary diligence risks are replacement or non-original major components, reconstructed/over-restored bodies…

Technical profile

The essentials.

Engine architecture

B4

Power

110 PS / 81 kW

Cylinders

4

View all specifications
Engine architectureB4
Cylinders4
Power110 PS / 81 kW
Kerb weight550 kg

Market

What the market tells us.

A quick read of the strongest published price evidence. Original source currencies stay preserved.

Market chart & benchmark

Price history, evidence modes, ranges and benchmark methodology · open by default

Open

Collectible market terminal

CHF 2'116'526 – CHF 2'116'526

Porsche 550 Spyder · model-level research benchmark, not an appraisal of a specific chassis.

Completed sales · 0 · chart-readyAsking market · 0

Raw sales + adaptive trend · historical FX display layer · SCI benchmark gates remain unchanged

Guide-only market evidence

CHF 2,070,752

No dated completed sale or asking observation is currently chartable in this range. Market guides remain visible as benchmark evidence but do not create a transaction trend.

SCI Research Tools

Analyze this car.

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Vehicle gallery

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View the image record

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Turn the SCC record into a research-backed listing for the next collector.

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Market intelligence

At a glance.

How to read this

Only qualified SCC evidence is shown. Missing evidence stays blank.

Market depth pending.

Price distribution pending.

Value since MSRP

Qualified change

SCI factor profile

Score & evidence.

SCI 58

Methodology details

SCI and evidence confidence remain separate measures. Missing evidence is never presented as equal precision.

Market signals

Market Radar.

Market signals pending.

Mileage impact

Mileage & value.

No mileage-tagged market evidence yet.

Global Registry

Publicly observed.

Source-backed historical observations, deduplicated into known identities where evidence is strong enough. This is provenance research, not live tracking.

Public source geography

One map · filter registry, sightings and listings

Full distribution →

No privacy-safe public country cell yet.

Low-sample countries remain hidden until the public threshold is met.

Transaction tape

Recent observed sales.

Market-data policy

No completed sale is published yet.

This is a deliberate research state, not missing UI. Asking evidence and source research remain available where verified.

Research depth

Sources & methodology.

Professional research stays complete, but it no longer competes with the first-read vehicle story.

Price evidence ledger

MSRP, sold, asking and guide evidence with original currencies

Price evidence

Evidence ledger.

Launch MSRP, realized sales, public asking inventory, valuation guides and reported one-off commission estimates stay separate. Auction venue, mileage, model year and specification context are exposed where sources publish them. Source currencies are preserved and estimates are never relabelled as MSRP, transactions or current market value.

Collector research notes

Full narrative, value drivers and risk factors

Blue-chip historic Porsche competition car: RM Sotheby's documented a 1955 550 Spyder sale at €3,464,375 in 2024 and foregrounded matching components and period competition history.

Potential value drivers

  • • Porsche Newsroom states 89 Type 550 cars were built from 1953 before the evolved 550 A (40 cars). RM Sotheby's cataloguing uses a 90-car customer-Spyder count
  • • the differing count basis is flagged rather than reconciled.
  • • Very low-volume purpose-built competition programme, not documented by Porsche as a numbered retail limited series.
  • • Foundational Porsche competition icon and direct predecessor of the 718 racing line
  • • Porsche describes the 550 as its first thoroughbred/purpose-developed racing car.
  • • Mid-engine lightweight competition architecture with aluminium bodywork and the Fuhrmann four-cam four-cylinder
  • • the layout established a core Porsche racing concept later continued by the 718.
  • • The 550 helped establish Porsche's international competition reputation in the 1950s and is the starting point of Porsche's purpose-built mid-engine race-car lineage.

Risk factors

  • • Very high: matching engine/gearbox, original body/components, period race entries and uninterrupted ownership history are material catalogue points on surviving examples.
  • • Primary diligence risks are replacement or non-original major components, reconstructed/over-restored bodies and gaps or inconsistencies in period competition history
  • • these materially weaken verifiable identity.

Research status & production source

Verification, research tier, methodology and factory source

Research status

Static profile

Editorial review in progress

Production facts

Verification pending

SCI methodology

Research · confidence 19/100

Research tier: P1 · Core research

Last static verification: 2026-08-31T00:00:00+00:00

Production source

Researching

Exact production research remains open.