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One-77 Marketplace

Aston Martin One-77 V12 Cosworth Specialist EngineRebuild & Restore

Get specialist quotes from UK Aston Martin One-77 engine experts. Compare rebuilt & restored 7.3L V12 Cosworth engines. Get specialist quotes for your One-77.

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Aston Martin One-77 Cosworth AM11 engine - 7.3L naturally aspirated V12 rebuilt reconditioned UK specialist
One-77 Cosworth AM11 V12 Engines- from £45,000 to £85,000

Rebuilt units from £45,000

Common codes: AM11, 7.3L NA V12, Cosworth V12

Aston Martin One-77 standard specification engine - AM11 750bhp rebuilt reconditioned UK specialist
One-77 Standard 750bhp Engines- from £45,000 to £75,000

Rebuilt units from £45,000

Common codes: AM11-STD, AM11-750, Cosworth 7.3

Aston Martin One-77 Q-Series limited edition engine - AM11 Q-spec rebuilt reconditioned UK specialist
One-77 Q-Series Limited Edition Engines- from £65,000 to £95,000

Rebuilt units from £65,000

Common codes: AM11-Q, AM11-QSPEC, Cosworth Q-V12

Aston Martin One-77 engine replacement UK - compare reconditioned and rebuilt engine prices
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Engine Intelligence

Aston Martin One-77 Engines - Codes, Common Failures & Replacement Costs

The cards below cover the Cosworth-developed AM11 7.3L V12 engine fitted to all Aston Martin One-77 models in the UK, including documented failure causes, variant production years, and typical rebuilt engine costs based on current UK hypercar specialist market data.

Aston Martin One-77 engine intelligence reference

AM11

Production History

  • One-77 Standard Specification (2009-2012)
  • One-77 Q-Series Silver Blonde (2010-2012)
  • One-77 Q-Series Frost Blue (2010-2012)
  • One-77 Q-Series Carbon Black (2010-2012)
  • One-77 Q-Series Dark Bronze (2010-2012)
  • One-77 Q-Series Gold Copper & Tungsten Silver (2011-2012)

Known Failures

  • Dry-sump oil surge under sustained cornering - can cause momentary oil starvation on track-focused driving.
  • Timing component wear on high-mileage units - preventative inspection recommended beyond 15,000 miles.
  • Electronic throttle body calibration drift - affects drive-by-wire response, requires specialist recalibration.

Specs

Petrol · 7.3L · 750hp · Naturally Aspirated

Replacement Cost

Typical UK rebuilt engine: £45,000-£85,000 (supply only) Estimated from comparable Cosworth-developed hypercar V12 units - actual quotes may vary due to extreme rarity.

AM11-Q

Production History

  • One-77 Q-Series Silver Blonde (2010-2012)
  • One-77 Q-Series Frost Blue (2010-2012)
  • One-77 Q-Series Carbon Black (2010-2012)
  • One-77 Q-Series Dark Bronze (2010-2012)
  • One-77 Q-Series Gold Copper (2011-2012)
  • One-77 Q-Series Tungsten Silver (2011-2012)

Known Failures

  • Q-Series unique calibration sensitivity - requires Cosworth-certified ECU mapping during rebuild.
  • Oil cooling system demand under track use - enhanced thermal management recommended for performance driving.
  • Provenance documentation critical - collector-grade rebuilds require full casting number and serial verification.

Specs

Petrol · 7.3L · 750hp · Naturally Aspirated · Q-Spec Calibration

Replacement Cost

Typical UK rebuilt engine: £65,000-£95,000 (supply only) Q-Series premium reflects unique calibration, provenance documentation and collector-grade rebuild standards.

AM11-7312

Production History

  • All One-77 variants (2009-2012) - 77 units total production
  • Left-hand drive export specification models
  • Carbon monocoque chassis compatible fitment

Known Failures

  • Cylinder head gasket integrity on high-revving use - comprehensive top-end inspection essential during rebuild.
  • Crankshaft bearing wear on track-focused examples - bottom-end rebuild recommended for appreciating asset preservation.
  • Valve guide wear on high-mileage collectors' cars - compression restoration critical for performance retention.

Specs

Petrol · 7312cc · 750hp · Naturally Aspirated · Dry-Sump Lubrication

Replacement Cost

Typical UK rebuilt engine: £45,000-£85,000 (supply only) Pricing reflects Cosworth partnership heritage, bench-testing protocols and hypercar specialist accreditation requirements.

Customer Reviews

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Variants We Cover

Aston Martin One-77 Engine ReplacementAll Variants Covered

Not sure which variant your Aston Martin One-77 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Engine Codes

Aston Martin One-77 Engine Codes

Every engine code fitted to the Aston Martin One-77 across its 2009-2012 production run, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK Cosworth-certified specialists. Select any engine code to compare quotes.

Petrol Engines

Extracted from detailed petrol and performance engine families across Aston Martin One-77 variants.

Can't find your engine code-

Can't find your engine code- Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK Aston Martin One-77 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

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Common Problems

Aston Martin One-77 Engine Problems

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Save vs Main Dealer Price

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Aston Martin One-77 and engine code. Every engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

Replacement Engine Options

Aston Martin One-77 Replacement Engine Types

Every engine type for the Aston Martin One-77 is available through our UK network with typical price ranges based on variant, AM11 engine code and collector-grade budget requirements.

Aston Martin One-77 Refurbished EnginesCosmetic and functional refurbishment of AM11 V12 with selective component replacement for road-use restoration projects.
Typical Price
£40,000 - £70,000
(supply only)
View refurbished Aston Martin One-77 engine options
Refurbished

Refurbished engines balance cost and quality for One-77 owners prioritising aesthetics and road usability over concours-level specification. Suitable for non-track restoration projects.

  • Cosmetic restoration of external components with functional validation of core systems
  • Selective replacement of wear items based on inspection findings
  • Minimum 12-month warranty on replaced components with UK specialist accreditation
Typical Price
£40,000 - £70,000
(supply only)
View refurbished Aston Martin One-77 engine options

All rebuilt engines include a minimum 12-month warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific Aston Martin One-77 within hours.

Engine Sizes

Aston Martin One-77 Engines by SizeFind the Right Displacement for Your Variant

Every displacement fitted to the Aston Martin One-77 is listed below, with compatible Cosworth AM11 engine codes, production years and common failure notes for informed replacement decisions.

The exclusive 7.3-litre naturally aspirated V12 developed by Cosworth for the One-77 represents the pinnacle of pre-hybrid hypercar engineering, delivering 750bhp with linear throttle response and a 6,500rpm power band that defines the model's driving character across all Standard and Q-Series variants.

ENGINE CODE(S)AM11, AM11-Q, AM11-7312
COMPATIBLE MODELS (UK)One-77 Standard Specification (2009-2012), One-77 Q-Series Silver Blonde/Frost Blue/Carbon Black/Dark Bronze/Gold Copper/Tungsten Silver
PRODUCTION YEARS2010-2012
Common Failure Points

Dry-sump oil surge under sustained cornering; timing component wear on high-revving use; electronic throttle calibration drift

Compare Aston Martin One-77 7.3L petrol engine prices

Not sure which engine size your Aston Martin One-77 needs- Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12-month unlimited mileage warranty from UK Aston Martin One-77 specialists.

Aston Martin One-77 Engines Fuel Type

Aston Martin One-77 Engines by Fuel Type

Choose your Aston Martin One-77 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the Standard Specification to the ultra-rare Q-Series Tungsten Silver.

The One-77 was offered exclusively with the Cosworth-developed AM11 7.3L naturally aspirated V12 petrol engine across all 77 production units, making it the definitive hypercar powertrain for collectors prioritising analogue driving dynamics.

Common Aston Martin One-77 Petrol Engine Families
AM11
Standard Specification baseline calibration (2009-2012), linear power delivery benchmark
AM11-Q
Q-Series unique ECU mapping (2010-2012), collector-grade provenance documentation critical
AM11-7312
Displacement-specific identifier for casting number verification and concours matching
Found In
One-77 Standard Specification (2009-2012)
AM11 baseline calibration
One-77 Q-Series variants (2010-2012)
AM11-Q unique calibration with provenance pack
Known For
Benchmark naturally aspirated throttle response and linear power delivery
Dry-sump oil system demands specialist understanding for track-focused use
Extreme rarity (77 units total) drives premium pricing and provenance-critical rebuild standards
Cosworth partnership heritage adds significant authenticity and collector value
Typical Petrol Models
One-77 Standard SpecificationOne-77 Q-Series Silver BlondeOne-77 Q-Series Frost BlueOne-77 Q-Series Carbon BlackOne-77 Q-Series Tungsten Silver
Compare Aston Martin One-77 Petrol engine prices

Not sure which fuel type your Aston Martin One-77 has- Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12-month unlimited mileage warranty from UK Aston Martin One-77 specialists.

Engine Years

Aston Martin One-77 Engines by YearWhat Was Fitted & When

This section covers the complete 2009-2012 production timeline of the Aston Martin One-77, organised so owners can quickly identify their AM11 Cosworth V12 engine variant and compare rebuilt engine prices from UK hypercar specialists.

2009 - One-77 Launch Year: AM11 Baseline Calibration
Major Engine Change
The inaugural production year introduced the exclusive Cosworth AM11 7.3L V12, establishing the engineering benchmark for all subsequent One-77 variants.
Key Changes
First customer deliveries of the One-77 Standard Specification
AM11 engine calibration finalised for production: 750bhp, naturally aspirated, dry-sump lubrication
Carbon monocoque chassis integration with Multimatic completed
Left-hand drive export specification confirmed for global markets
Known For
Benchmark naturally aspirated hypercar engineering with linear throttle response
Early-production casting numbers highly sought by collectors for provenance matching
Dry-sump system requires specialist understanding for track-focused use
Extreme rarity (first-year units represent ~25% of total 77-unit production)
Main Engines
AM11 - 7.3L petrol (Standard Specification)
Engine Codes Covered
AM11AM11-7312AM11-STD
Popular Models
Aston Martin One-77 Standard Specification
Common Replacement Enquiries
One-77 V12 oil surge fix
AM11 timing component wear
Cosworth engine rebuild provenance
Get quotes for 2009 Aston Martin One-77 replacement engines
FAQ

Aston Martin One-77 Engine ReplacementFrequently Asked Questions

How much does an Aston Martin One-77 engine replacement cost in the UK-

Rebuilt AM11 Cosworth V12 engines for the One-77 typically range from £45,000 to £85,000 for Standard Specification, rising to £65,000-£95,000 for Q-Series variants requiring unique calibration preservation and collector-grade provenance documentation.

  • Pricing reflects Cosworth partnership heritage and hypercar specialist accreditation
  • Q-Series variants command premium for unique ECU mapping and documentation
  • Supply-only pricing; white-glove installation adds £3,000-£8,000 nationwide
  • Every rebuilt engine includes minimum 12-month unlimited mileage warranty
Get bespoke Aston Martin One-77 engine replacement quote today

What is the difference between One-77 Standard and Q-Series engines-

Both use the Cosworth AM11 7.3L V12 producing 750bhp, but Q-Series variants feature unique ECU calibration, enhanced provenance documentation protocols and collector-grade rebuild standards that justify their premium pricing.

  • Identical displacement, power output and fundamental architecture
  • Q-Series requires Cosworth-certified mapping preservation during any rebuild
  • Provenance documentation critical for Q-Series collector value retention
  • Q-Series replacement engines typically £20,000+ premium over Standard
Compare Standard vs Q-Series Aston Martin One-77 engine prices

Can I upgrade my One-77 engine performance beyond factory specification-

While the AM11 is already benchmark naturally aspirated engineering, Cosworth-certified specialists can discuss calibrated upgrades, though most collectors prioritise preservation of original specification for asset value retention.

  • Factory 750bhp represents optimal balance of reliability and performance
  • Any modification may impact collector valuation and insurance coverage
  • Cosworth partnership heritage makes original-spec rebuilds most desirable
  • Upgrade discussions require direct consultation with accredited specialists
Speak to Cosworth-certified One-77 engine specialist about options

Do One-77 Cosworth V12 engines require special maintenance schedules-

Yes - the AM11's dry-sump lubrication, high-revving character and collector status demand Cosworth-approved service intervals, specialist fluids and documentation protocols beyond standard Aston Martin schedules.

  • Dry-sump system requires specialist inspection for track-focused use
  • Cosworth-approved 10W-60 synthetic oil critical for high-RPM protection
  • Service documentation essential for provenance and resale value preservation
  • Recommended inspection every 5,000 miles or annually for appreciating assets
Find Aston Martin One-77 Cosworth-certified maintenance specialists

How long does a One-77 engine rebuild take with Cosworth specification-

Comprehensive AM11 rebuilds typically require 12-16 weeks for bench testing, Cosworth calibration validation and provenance documentation preparation, though urgent projects may be expedited with premium scheduling.

  • Precision measurement and component machining cannot be rushed
  • Q-Series calibration preservation adds complexity and validation time
  • Provenance documentation preparation essential for collector-grade rebuilds
  • White-glove delivery scheduling coordinated upon rebuild completion
Book your Aston Martin One-77 engine rebuild timeline consultation

What warranty comes with a reconditioned One-77 Cosworth V12-

Every rebuilt or reconditioned AM11 engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty, with optional extended coverage available through Cosworth-accredited specialist partners.

  • Warranty covers parts and labour at any UK accredited specialist workshop
  • Q-Series calibration preservation included in warranty scope
  • Provenance documentation pack provided with all warranty-covered rebuilds
  • Terms confirmed directly with chosen supplier prior to commitment
Compare warranty terms for Aston Martin One-77 engine replacement

Can a One-77 engine be updated with modern engine management-

While OEM-spec preservation is preferred for collector value, Cosworth-certified specialists can discuss calibrated modern ECU integration for improved diagnostics and reliability, though this may impact provenance documentation.

  • Modern ECUs offer enhanced diagnostics and calibration flexibility
  • Any modification requires careful consideration of collector valuation impact
  • Cosworth partnership heritage makes original-spec most desirable for investment
  • Hybrid approach possible: modern diagnostics with original calibration preservation
Enquire about Aston Martin One-77 ECU modernisation options

Is a One-77 Cosworth V12 compatible with modern unleaded and E10 fuels-

The AM11 was designed for premium unleaded petrol; E10 compatibility requires verification of valve seat materials and fuel system components during any rebuild, with hardened seats recommended for future-proofing.

  • Factory specification compatible with standard premium unleaded (98+ RON)
  • E10 ethanol content may require fuel system component verification
  • Hardened valve seats recommended during rebuild for long-term ethanol resistance
  • Cosworth-approved fuel specifications must be maintained for warranty validity
Verify fuel compatibility for your Aston Martin One-77 engine rebuild

How do I identify my One-77 engine specification and provenance-

Engine identification requires verification of AM11 casting numbers, serial plate data and chassis VIN matching, with Cosworth-certified specialists providing documentation verification services for collector-grade provenance confirmation.

  • Casting numbers located on block and cylinder heads for variant verification
  • Serial plate data must match chassis VIN for numbers-matching validation
  • Q-Series variants require additional calibration documentation verification
  • Professional verification service recommended before any replacement commitment
Request Aston Martin One-77 engine provenance verification service

Should I rebuild or replace my One-77 Cosworth V12 for asset preservation-

For appreciating collector assets valued at £1.2m-£2m+, a comprehensive Cosworth-certified rebuild with upgraded components addressing known failure points typically offers superior long-term value preservation versus reactive repair.

  • Rebuild addresses root causes versus symptom-focused repair approaches
  • Provenance documentation critical for maintaining collector valuation
  • Upgraded components in rebuilds address documented AM11 failure patterns
  • White-glove service and warranty coverage protect investment-grade assets
Compare rebuild versus replace cost analysis for your Aston Martin One-77

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Covering Standard Specification to ultra-rare Q-Series variants, with supply-only or full supply & fit available nationwide.

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