Bentley Bentayga V8 Engines
from £24,000 to £35,000
Rebuilt units from £24,000 · Common codes: CWUB, DGTA, DGTB, CZAC
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Bentley Bentayga DDBB/4.0 V8/3.0 V6 Specialist Engine Replacement - Compare Quotes
Get specialist quotes from UK Bentley Bentayga engine experts. Compare reconditioned & rebuilt engines for V8 to W12 Speed/Hybrid - DDBB/4.0/3.0 covered. Get specialist quotes for your Bentayga.
Supply & Fit Available
12-Month Warranty
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Bentley Bentayga W12 Engines
from £32,000 to £48,000
Rebuilt units from £32,000 · Common codes: CTWA, CTWB, CTWC
Bentley Bentayga Hybrid Engines
from £28,000 to £42,000
Rebuilt units from £28,000 · Common codes: CRTD, EA839
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Engine replacement near me - UK-wide specialist network
Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best Bentley Bentayga Replacement Engineto Finding the Best Bentley Bentayga Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
Average Market Prices
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↻ Last updated: 4 Aug 26, 9:26
Customer Reviews
Trusted by Bentley Bentayga Owners Across the UK
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used Bentley Bentayga engines through EngineMarket.
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“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
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Variants We Cover
Bentley Bentayga Engine ReplacementAll Variants Covered
Bentley Bentayga V8
CWUB 4.0L Petrol
Rebuilt Engines: £24,000-£35,000
Bentley Bentayga S V8
DGTA 4.0L Petrol
Rebuilt Engines: £24,500-£35,500
Bentley Bentayga Azure V8
DGTB 4.0L Petrol
Rebuilt Engines: £24,500-£36,000
Bentley Bentayga EWB V8
CZAC 4.0L Petrol
Rebuilt Engines: £25,000-£36,500
Bentley Bentayga W12
CTWA 6.0L Petrol
Rebuilt Engines: £32,000-£48,000
Bentley Bentayga Speed W12
CTWB 6.0L Petrol
Rebuilt Engines: £35,000-£50,000
Bentley Bentayga First Edition W12
CTWC 6.0L Petrol
Rebuilt Engines: £33,000-£49,000
Bentley Bentayga Hybrid PHEV
CRTD 3.0L Hybrid
Rebuilt Engines: £28,000-£42,000
Bentley Bentayga Hybrid Azure PHEV
CRTD 3.0L Hybrid
Rebuilt Engines: £28,500-£42,500
Bentley Bentayga Diesel V8 TDI
DECA 4.0L Diesel
Rebuilt Engines: £26,000-£38,000
Bentley Bentayga Mulliner V8
DGTA 4.0L Petrol
Rebuilt Engines: £25,500-£37,000
Bentley Bentayga Mulliner W12
CTWB 6.0L Petrol
Rebuilt Engines: £36,000-£51,000
Not sure which variant your Bentley Bentayga is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
Bentayga
Engine Codes
Bentley Bentayga Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the Bentley Bentayga across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.
Petrol Engines
Extracted from detailed petrol and performance engine families across Bentley Bentayga variants.
CWUB - 4.0L Petrol
Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
Compatible variants
V8V8 SV8 AzureV8 EWBV8 Mulliner
Avg. rebuilt price
£24,000 - £35,000
Supply only
Technical specifications
- Fuel type
- Petrol
- Engine size
- 4.0L
- Power output
- 542-550 hp
- Years fitted
- 2018-2024
Common failures
- ●Main replacement demand comes from timing-chain, cooling-system and performance thermal-management faults.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which 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 Bentley Bentayga engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Bentayga
Common Problems
Bentley Bentayga Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The Bentley Bentayga's premium powertrains demand specialist attention. The 4.0L V8 EA825 and 6.0L W12 petrol engines dominate UK replacement enquiries, with turbo oil starvation, carbon buildup and coolant leaks being the most documented failure patterns. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to...
Turbocharger Oil Starvation - Why Bentley Bentayga Hot-V Engines Fail
Turbocharger Oil Starvation
Most affected vehicles
Bentley Bentayga V8 (2018-2024CWUB/DGTA/DGTB)
Bentley Bentayga V8 (2018-2024, CWUB/DGTA/DGTB), Bentley Bentayga W12 (2016-2024, CTWA/CTWB/CTWC)
Failure mileage range
50,000-90,000 miles
Typical failure window
Root cause
The hot-V turbo layout places turbos between cylinder banks, exposing oil feed lines to extreme heat. Carbon deposits can block the turbo oil strainer (part 07L145702H), starving bearings of lubrication and causing premature wear.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Strainer Upgrade | £2,800 - £4,200 | £1,800 - £2,900 | Replace turbo oil strainers with updated mesh design, flush oil system, reset adaptation | Extends turbo life if caught early; not viable after bearing damage occurs |
| Intermediate - Turbo Rebuild | £8,500 - £14,000 | £5,200 - £9,500 | Remove turbos, replace bearings/seals/wastegate actuators, bench test, recalibrate boost maps | Viable for isolated turbo failure; does not address underlying oil system vulnerabilities |
| Full Replacement - Rebuilt Engine | £24,000 - £48,000 | £24,000 - £48,000 | Supply & fit rebuilt unit with upgraded strainers, fluoroelastomer seals, bench-tested, 12-month warranty | Most reliable long-term solution; addresses root cause with preventative upgrades included |
Our recommendation
On a Bentley Bentayga valued £80,000-£150,000, preventative strainer replacement at 50k miles offers exceptional value. If turbo damage has occurred, a rebuilt engine with upgraded oil system components provides better long-term reliability than a standalone turbo rebuild.
Compare rebuilt CWUB/DGTA engine prices for your Bentley BentaygaReplacement Engine Options
Bentley Bentayga Engine TypesOptions, Costs & What to Expect
Every Bentley Bentayga engine type is available through our UK network with typical price ranges based on variant, engine code and budget.
Bentley Bentayga Reconditioned Engines (Recon)£22,000 - £45,000((supply only))
Bentley Bentayga Rebuilt Engines£24,000 - £48,000((supply only))
Bentley Bentayga Used Engines£18,000 - £38,000((supply only))
Bentley Bentayga Remanufactured Engines£28,000 - £52,000((supply only))
Bentley Bentayga Refurbished Engines£20,000 - £40,000((supply only))
Compare Bentley Bentayga engine prices with vetted UK suppliers
All engine types include a minimum 12-month unlimited mileage 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 Bentley Bentayga within hours.
Engine Sizes
Bentley Bentayga Engines by SizeFind the Right Displacement for Your Variant
Every displacement fitted to the Bentley Bentayga is listed below, with compatible engine codes, production years and common failure notes to help you identify the right replacement.
The 4.0L twin-turbo V8 EA825 architecture debuted in 2018 as the Bentayga's efficiency-focused petrol option, featuring cylinder-on-demand technology and hot-V turbo layout. It powers most post-facelift variants including S, Azure and EWB trims with 542-550hp output.
⚙
Engine Code(s)
CWUB, DGTA, DGTB, CZAC
▣
Compatible Models (UK)
V8 (2018-2024), V8 S (2021-2024), V8 Azure (2022-2024), V8 EWB
ϟ
Power output
Verified by registration
△
Common Failure Points
Turbo oil strainer blockage in hot-V layout, CoD hydraulic actuator wear, PCV diaphragm failure
Production Years: 2022-2024
Get quotes for Bentley Bentayga 4.0L petrol enginesFuel Type
Bentley Bentayga Engines by Fuel Type
Choose your Bentley Bentayga engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from efficient V8 to flagship W12 to plug-in Hybrid.
Bentley Bentayga Petrol Engines
PetrolThe Bentayga's petrol range spans the efficient 4.0L EA825 V8 and flagship 6.0L W12, both twin-turbo direct injection units dominating UK replacement enquiries.
Common Bentley Bentayga Petrol Engine Families
- •CWUB/DGTA - EA825 V8 hot-V layout, cylinder-on-demand, turbo oil strainer vulnerability
- •CTWA/CTWB - W12 complex thermal management, valley coolant pipe brittleness, carbon intake buildup
- •DGTB/CZAC - Updated EA825 calibration for Azure/EWB refinement-focused variants
Found In
- •Bentayga V8 (2018-2024) - CWUB, DGTA, DGTB, CZAC
- •Bentayga W12 (2016-2024) - CTWA, CTWB, CTWC
- •Bentayga Speed/Mulliner (2020-2024) - CTWB, DGTA
Known For
- •Strong mid-range torque and refined power delivery across all petrol variants
- •Turbo oil strainer blockage in hot-V layout requiring preventative maintenance
- •Direct injection carbon buildup on intake valves at 30-40k mile intervals
Typical Petrol Models
- •V8
- •V8 S
- •V8 Azure
1 of 3
Bentley Bentayga Petrol Engines
PetrolThe Bentayga's petrol range spans the efficient 4.0L EA825 V8 and flagship 6.0L W12, both twin-turbo direct injection units dominating UK replacement enquiries.
Common Bentley Bentayga Petrol Engine Families
- •CWUB/DGTA - EA825 V8 hot-V layout, cylinder-on-demand, turbo oil strainer vulnerability
- •CTWA/CTWB - W12 complex thermal management, valley coolant pipe brittleness, carbon intake buildup
- •DGTB/CZAC - Updated EA825 calibration for Azure/EWB refinement-focused variants
Found In
- •Bentayga V8 (2018-2024) - CWUB, DGTA, DGTB, CZAC
- •Bentayga W12 (2016-2024) - CTWA, CTWB, CTWC
- •Bentayga Speed/Mulliner (2020-2024) - CTWB, DGTA
Known For
- •Strong mid-range torque and refined power delivery across all petrol variants
- •Turbo oil strainer blockage in hot-V layout requiring preventative maintenance
- •Direct injection carbon buildup on intake valves at 30-40k mile intervals
Typical Petrol Models
- •V8
- •V8 S
- •V8 Azure
Bentley Bentayga Hybrid / Electrified Engines
MHEVThe Bentayga PHEV combines EA839 3.0L V6 with electric motor and 17.3kWh battery for 449hp system output and 31-mile electric range.
Bentley Bentayga PHEV Engine Codes
- •CRTD - EA839 architecture with high-voltage safety protocols and battery thermal management
- •48V starter-generator recovers braking energy for efficiency gains
- •Electric motor provides torque assistance under acceleration and pure EV mode
Found In
- •Hybrid PHEV (2019-2024)
- •Hybrid Azure PHEV (2022-2024)
Important Notes
- •No mild-hybrid or full-hybrid Bentayga variants exist - PHEV is the only electrified option
- •Engine replacement requires hybrid system inspection and battery SOH verification
- •Specialist high-voltage safety certification required for workshop handling
Bentley Bentayga Diesel Engines
DieselThe 4.0L V8 TDI diesel was offered 2017-2020 only, delivering 429hp with AdBlue emissions compliance before discontinuation.
Common Bentley Bentayga Diesel Engine Families
- •DECA/DECB - V8 TDI with DPF/EGR complexity, AdBlue system calibration requirements
Found In
- •Bentayga V8 TDI (2017-2020)
- •Bentayga V8 TDI Azure (2017-2020)
Known For
- •Strong low-end torque suited to Bentayga's luxury touring character
- •DPF regeneration challenges in urban/short-journey driving patterns
- •AdBlue system sensor calibration and emissions compliance maintenance
Typical Diesel Models
- •V8 TDI
- •V8 TDI Azure
●
Important Notes
- •No diesel Bentayga variants produced after 2020
- •Urban DPF regeneration requires specialist diagnostic support
- •Euro 6 emissions compliance verification essential for MoT readiness
Not sure which fuel type your Bentley Bentayga 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 Bentley Bentayga specialists.
Engine YearsGet quotes for 2016 Bentley Bentayga replacement engines →
Bentley Bentayga Engines by YearWhat Was Fitted & WhenBentley Bentayga Engines by Year - What Was Fitted & When
This section covers all major engine changes across the Bentayga's production timeline, organised so owners can quickly identify their engine and compare rebuilt engine prices from UK specialists.
⚙Key Changes
- ✓Bentayga model launch with W12 CTWA/CTWB engines only
- ✓First Edition limited edition with 608PS CTWC calibration
- ✓Complex hot-V thermal management system debut
▣Main Engines
CTWA- 6.0L petrol W12 (W12, First Edition)
CTWB- 6.0L petrol W12 (early Speed calibration)
▰Popular Models
- •Bentley W12
- •Bentley First Edition
- •Bentley Speed (early)
🔧Known For
- ✓Flagship W12 smoothness and refinement benchmark
- ✓Valley coolant pipe plastic brittleness emerging as key failure point
- ✓Twin-turbo wastegate calibration complexity requiring specialist adaptation
Engine Codes Covered:
CTWACTWBCTWCNot sure which year your Bentley Bentayga was built- Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12-month warranty from UK Bentley Bentayga specialists.
FAQ