Rarity
Fixed 600-car production, first 4.0-litre series 911 and final 997 GT3 RS evolution create a tightly defined collector identity
Production verifiedRare
Porsche · 2011–2011
911 997 GT3 RS 4.0
Vehicle facts
Built
600
Rare
Powertrain
B6
Technical profile in progress
Output
500 PS / 368 kW
Existing catalog value
Indicative value
CHF 650'287
1 approved market guide sources · indicative only
About this car
SCI Collector Score, the collector case, essentials, market & analysis.
SCI Collector Score
SCI-1.5.081/100
Strong · Strong
SCI scale
Tap a color to explore the scale.
8/10
Current · 8/10 · Strong zone
64
Evidence Confidence
90%
Coverage
Indicative SCIRisk —
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.
How SCI works
Collector quality and evidence are separate. Structural collector factors carry 75%; observable market factors carry 25%.
Methodology & score historyResearch notes
Publication gates
• No coherent sold-price benchmark is available.
• Needs at least 3 comparable sold observations inside the 84-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
• Observed benchmark CAGR is +15.6% across the longest suitable 2–6 year comparison window.
• Scarcity uses a conservative production base of approximately 600 vehicles.
• 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.
Collector intelligence
Why it matters.
The collector case in a few signals first. Full editorial notes and source detail remain available below.
Significance
auction catalogues record individual serial numbers within 600.
Engineering
Porsche calls the 4.0 the crowning achievement / maximum discipline of the 997 GT3 RS development line.
Collector signal
First series 4.0-litre 911, 500 PS and RSR-derived crankshaft
Key checksVery high: exact 600-series identity, original 4.0 drivetrain, factory specification, mileage and…
Technical profile
The essentials.
Engine architecture
B6
Power
500 PS / 368 kW
Cylinders
6
View all specifications
Engine architectureB6
Cylinders6
Power500 PS / 368 kW
Kerb weight1,360 kg
Market
What the market tells us.
A quick read of the strongest published price evidence. Original source currencies stay preserved.
Indicative value
CHF 650'287
1 approved market guide sources · indicative only
Launch MSRP
€178,596 ≈ CHF 164'201
Germany · 2011
Market confidence
64/100
Moderate
Evidence activity
2 sold
0 asking · 1 source
Market chart & benchmark
Price history, evidence modes, ranges and benchmark methodology · open by default
OpenClose
Market chart & benchmark
Price history, evidence modes, ranges and benchmark methodology · open by default
Collectible market terminal
CHF 650'287 – CHF 650'287
+15.6% observed CAGRPorsche 911 997 GT3 RS 4.0 · model-level research benchmark, not an appraisal of a specific chassis.
Completed sales · 2 · chart-readyAsking market · 0
Raw sales + adaptive trend · historical FX display layer · SCI benchmark gates remain unchanged
2 Sales0 Ask1 GuidesFX normalized
Observed sold-price evidence. Original source currencies remain preserved.
2 trend-eligible sales · launch visually anchored · 2 historical-FX pointsMove across a sale point to inspect the observation
SaleAskMedian trendLaunch MSRP
Raw sales remain individual evidence points. The filled line is an adaptive median market story visually anchored to launch MSRP on MAX; launch is not included in the median, SCI score or benchmark eligibility.
SCI Research Tools
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Market intelligence
At a glance.
How to read this
Only qualified SCC evidence is shown. Missing evidence stays blank.
0
Active asks
0
New · 30D
—
Median duration
2
Verified sales
Price distribution · USD
Asks, guides & verified sales.
3 observations
Guide range is context, not a completed sale.
AsksGuides
Sales
$525,000$811,000
Value since MSRP
Launch · 2011
€178,596
Current research
$790,190
1 approved guide sources · original currencies preserved
Qualified change
+279.9%
SCI factor profile
Score & evidence.
SCI 81
90.0%
coverage
64
Confidence
2
Comparable sales
Scarcity77 · covered
Collector significance95 · covered
Future relevance93 · covered
Historical performance89 · covered
Demand & momentum49 · pending
Liquidity60 · covered
Price resilience41 · covered
Supply dynamics50 · pending
Methodology details
SCI and evidence confidence remain separate measures. Missing evidence is never presented as equal precision.
Market signals
Market Radar.
Evidence currently in scope
2 qualified completed sales · 0 qualified active asks · 1 source families · FX-normalized to USD
0/4 published
Mileage impact
Mileage & value.
Reference sale value
$668,000
2 qualified sales with exact mileage
Reference mileage
8,967 km
Exact sale evidence
Curve status
Research
More comparable sales needed
SourceMileageValueDate
Bring a Trailersale11,000 mi$525,0002021-12-29Bring a Trailersale144 mi$811,0002024-11-20Upper-bound mileage stays qualified; asking values do not enter the sale-based curve.
Global Registry
Publicly observed.
Source-backed historical observations, deduplicated into known identities where evidence is strong enough. This is provenance research, not live tracking.
2
Publicly observed
2
Public observations
Nov 2024
Latest evidence
0.3%
Research coverage
Research coverage
0.3%
observed
Public source geography
One map · filter registry, sightings and listings
No privacy-safe public country cell yet.
Low-sample countries remain hidden until the public threshold is met.
Transaction tape
Recent observed sales.
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 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.
Manufacturer / launch MSRP
Original published launch pricing. Net/gross basis is preserved where the source states it.
Completed sales
Published realized transactions only. Auction, venue, mileage and specification context remain visible; unsold bids never enter this group.
Market guides
Supporting valuation evidence; lower-weighted than direct completed sales and kept separate from live asks.
Collector research notes
Full narrative, value drivers and risk factors
Collector research notes
Full narrative, value drivers and risk factors
Fixed 600-car production, first 4.0-litre series 911 and final 997 GT3 RS evolution create a tightly defined collector identity; auction catalogues record individual serial numbers within 600.
Potential value drivers
- • Porsche documents a fixed production run of 600 vehicles.
- • Explicit 600-unit limited series and final 997-era GT3 RS development stage.
- • Porsche calls the 4.0 the crowning achievement / maximum discipline of the 997 GT3 RS development line.
- • First series 4.0-litre 911, 500 PS and RSR-derived crankshaft
- • a particularly direct transfer of racing engine hardware to a road-legal 911.
- • Bridge between Porsche's 997 road GT programme and the GT3 RSR competition engine, and a milestone in the displacement/RS evolution of the 911.
Risk factors
- • Very high: exact 600-series identity, original 4.0 drivetrain, factory specification, mileage and track/ownership documentation materially affect comparability. · Misidentification with 997 GT3 RS 3.8, non-original/track-repaired bodywork, altered drivetrain and missing series documentation are key collector diligence risks.
Research status & production source
Verification, research tier, methodology and factory source
Research status & production source
Verification, research tier, methodology and factory source
Research status
Static profile
Editorial review in progress
Production facts
Source verified
SCI methodology
Research · confidence 64/100
Research tier: P0 · Verified production research
Last static verification: 2026-08-31T00:00:00+00:00
Production source
600
Porsche annual reporting states the 911 GT3 RS 4.0 was limited to 600 vehicles.
Open manufacturer sourceContinue research
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