Pre-Inspection Intelligence

Know the car before you view the car

A structured, factual breakdown of any Porsche listing — specification analysis, history and risk signals, factual price context — with a tailored checklist for in-person inspection.

Covering 911, Boxster, Cayman, Cayenne, Macan, Panamera and Taycan — every UK generation.

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Why It Matters

The analysis between
finding a car and
inspecting it

Most buyers browse major UK listing platforms, form an impression, and commit — without structuring what the listing actually tells them, or identifying what it leaves out.

FlatSix Intelligence sits between finding a car you like and booking a physical inspection. We structure what is there and highlight what is not — so you arrive already knowing the right questions to ask.

  • PriceFactual context: factors that would support a higher price, and factors that weigh against
  • SpecEvery claimed option verified against the model’s known configuration
  • RiskHistory signals, ownership patterns, and generation-specific issues flagged
  • InspectionTailored checklist of exactly what to verify when you see the car in person
Porsche Cayman and Boxster
Sample Report

Every report follows
the same structure

Five sections covering the vehicle overview, full specification audit, history and risk review, price context, and a tailored inspection checklist — specific to the car you submitted.

Basic uses the listing. Standard adds a car registration check — ownership history, MOT records, and previous keepers from official sources.
Basic £29
  • Vehicle overview
  • Full specification audit
  • History and risk review
  • Price context
  • Tailored inspection checklist
  • Listing photos
Standard £49
  • Everything in Basic
  • Car registration check
  • Verified ownership history and previous keepers
  • MOT history and mileage chart
  • DVLA registration record
From official government records
Sample reportexample output for an order with a vehicle registration provided
FlatSix Intelligence — Independent Porsche 911 Listing Analysis FS-SAMPLE-2026
Porsche 911 Turbo S (992)
2020 · 22,000 miles · PDK · Black · Dealer · Guildford
Report
FS-SAMPLE-2026
Asking Price
£134,995
Spec Level
Notable spec fitted
BOSE audio, sunroof, LED Matrix, ParkAssist
Risk Level
High
Mileage rollback, outstanding finance, owner discrepancy
Buyer Protection
Confirmed
Dealer sale
Sample shows one of four listing photos. Reports include all photos retrieved from the listing.
01 Overview
This 2020 Porsche 911 Turbo S (992) is powered by a 3.8-litre twin-turbocharged flat-six producing 650bhp, paired with the 8-speed PDK transmission and all-wheel drive. Finished in Black with full leather, the car carries BOSE Surround Sound, electric sunroof, LED Matrix headlights with PDLS Plus, and ParkAssist with reversing camera as paid factory upgrades. The dealer listing in Guildford states full Porsche service history with Porsche warranty until May 2027. However, three independent risk signals materially affect the transaction: DVSA MOT records show a mileage rollback between the 2023 and 2024 tests, the vehicle check returns an outstanding private finance marker, and the listing contradicts itself on previous owner count.
02 Specifications
FeatureStatusNotes
PASMStandardStandard equipment on 992 Turbo S
Sport Chrono PackageStandardStandard equipment on 992 Turbo S
Sport Exhaust (PSE)StandardStandard equipment on 992 Turbo S
Audio systemUpgradedBOSE Surround Sound — optional upgrade over baseline
SunroofUpgradedElectric glass sunroof — factory optional
HeadlightsUpgradedLED Matrix with PDLS Plus — factory optional upgrade
ParkAssist + reversing cameraUpgradedFront and rear with surround view — factory optional
Ventilated seatsNot fittedNot listed; assume not present unless confirmed by V5C or invoice
This car presents BOSE Surround Sound, sunroof, LED Matrix headlights with PDLS Plus, and ParkAssist as value-driving paid upgrades.
03 History & Risk
Mileage DiscrepancyVerify
DVSA records show a mileage rollback between the July 2023 MOT (24,500 mi) and the January 2024 MOT (20,858 mi) — the odometer recorded a value 3,642 miles lower at the second test. This is a material indicator of clocking. Obtain mileage warranty from seller and request all service records to triangulate true mileage.
DVLA Registration Record
RegistrationLS20 SMP
DVLA makePorsche
DVLA colourBlack
Year of manufacture2020
First registeredJuly 2020
Fuel typePetrol
Engine capacity3745cc
MOT statusValid
MOT expiry2026-04-03
Tax statusTaxed
Marked for exportNo
Euro statusEURO 6AP
Source: DVLA Vehicle Enquiry Service. Retrieved at time of report generation.
MOT History
3 tests recorded — 3 pass, 0 fail. Latest test 2025-04-04: PASS.
2025-04-04PASS21,696 mi · Advisory: nearside front tyre worn close to legal limit (3mm).
2024-01-26PASS20,858 mi · Top defects: none.
2023-07-11PASS24,500 mi · Top defects: none.
Source: DVSA MOT History API. Retrieved at time of report generation.
Mileage Over Time
0 20,000 40,000 2021 2022 2023 2024 2025 2026 REG
MILEAGECURRENT LISTINGNO DRIVINGROLLBACK

Reference line: 5,000 mi/year sports-car typical, anchored at first registration. Source: DVSA MOT History API.

Service history Confirmed

Full Porsche dealer service history claimed in the listing. Confirm the service records match the V5C and that any gaps are explained on inspection.

Outstanding finance VERIFY

Vehicle check returns an outstanding private finance marker. The finance balance must be settled in writing by the seller before exchange — clear title cannot transfer otherwise.

Previous owners VERIFY

The listing description contradicts itself on previous owner count, stating both “1 previous owner” and “two owners since new”. Request the V5C to confirm actual ownership history before any offer.

Warranty Confirmed

Porsche manufacturer warranty stated as valid until May 2027 per the listing. Verify warranty transfer terms and any conditions on dealer-sale handover.

Accident history Confirmed

No write-off markers returned on the vehicle check. Cross-reference with a recent HPI / MyCarCheck pull dated close to inspection if accident history is material.

Buyer Protection Confirmed

Dealer sale. Statutory consumer protections apply that differ materially from private sales — buyers should familiarise themselves with the specific rights applicable to their transaction. A pre-purchase inspection remains advisable.

High Risk
Three independent risk signals: DVSA mileage rollback between MOTs (24,500 → 20,858), outstanding private finance marker on the vehicle check, and owner count contradiction in the listing description. All three require resolution before any purchase decision on a £134,995 transaction.
04 Price Context

Asking price: £134,995

Factors that would support a higher price

  • BOSE Surround Sound System fitted
  • Sunroof fitted
  • LED Matrix headlights with PDLS Plus fitted
  • ParkAssist with reversing camera fitted

Factors that would weigh against

  • Mileage rollback between the July 2023 and January 2024 MOTs — materially undermines provenance.
  • Outstanding private finance marker on the vehicle check — settlement required before clear title.
  • Owner count contradiction in the listing description (states both “1” and “two owners since new”).

Buyers should check comparable 992 Turbo S examples on major UK listing platforms filtered by mileage and ownership count before forming a view on price.

05 Inspection Checklist
Obtain mileage warranty from seller in writing — DVSA rollback between July 2023 and January 2024 MOTs requires explicit declaration
Confirm outstanding finance settlement figure with finance company before exchange — clear title required
Resolve owner count contradiction — listing states both “1” and “two owners since new”, obtain V5C history
Inspect turbo wastegate operation — 992 Turbo S variable geometry turbos prone to rattle, replacement £3,000–£5,000 per turbo
Replace nearside front tyre — advisory at most recent MOT (3mm), close to legal limit
FlatSix Intelligence This report provides factual analysis. It is not buying advice.

Five sections of structured analysis for the car you’re considering. Delivered to your inbox, usually within minutes.

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Porsche Cayman and Boxster
How It Works

Three steps to clarity

01Submit a UK listing URL, add a registration for the full check, and pay. Takes less than two minutes.
02We retrieve the listing data and audit it against market benchmarks, specification databases, and generation-specific knowledge.
03Your report arrives by email, usually within minutes. You arrive at the inspection knowing exactly what to check.
Pricing
from £29
Single Report
£29 listing-only · £49 with registration (adds ownership history, MOT records and previous keepers)
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What You Get
Pre-inspection intelligence
Your report sits between finding a car and booking a physical inspection. It tells you whether the car is worth your time — and exactly what to verify when you get there.
Structured, not subjective
Green flags, amber flags, and factual price drivers — clearly separated. This is factual analysis, not buying advice. The report gives you the information to make your own decision.
Model-specific depth
Generation splits, known issues, specification hierarchies, option desirability. Built on deep knowledge of what makes each Porsche model and generation worth scrutinising.

Know the car
before you commit

Listings contain more information than most buyers extract. The gaps they leave contain even more.

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