Citroen DS4 1.6 HDi Diesel Engines
from £1,200 to £2,800
Rebuilt units from £1,200 · Common codes: 9HD, 9HR, DV6C, RHH
Get quotes from trusted UK Citroën DS4 engine specialists. Compare reconditioned and rebuilt prices for 5FV, EP6CDT, and 9HR - 1.6L THP to 2.0L HDi covered. Get specialist quotes for your DS4.
Citroen DS4 1.6 HDi Diesel Engines
from £1,200 to £2,800
Rebuilt units from £1,200 · Common codes: 9HD, 9HR, DV6C, RHH
Citroen DS4 1.6 Petrol Engines
from £1,400 to £3,200
Rebuilt units from £1,400 · Common codes: 5FS, EP6C, EP6CDT, 5FV
Citroen DS4 2.0 HDi Diesel Engines
from £1,800 to £4,200
Rebuilt units from £1,800 · Common codes: RHH, DW10CD, 9HD, DV6D

Most replacements completed within 3-5 days.
Typical UK rebuilt Citroen DS4 engine costs by variant - compare failure causes, codes, fuel types and sizes for affordable replacements.


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Not sure which variant your Citroen DS4 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the Citroen DS4 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.
Extracted from detailed diesel engine families across Citroen DS4 variants.

9HD - 1.6L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Avg. rebuilt price
£1,200 - £2,600
Supply only
Technical specifications
Common failures
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 Citroen DS4 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The Citroen DS4’s reliability landscape is heavily dictated by its shared PSA powertrain architecture, with the EP6 THP petrol series and DV6/DW10 HDi diesel families driving the majority of Citroen DS4 engine replacement demand across the UK. While these units deliver strong efficiency, specific weaknesses in the timing drive, turbo actuators, and...
Citroen DS4 Timing Chain Failure
Most affected vehicles
Citroen DS4 DSport 1.6 THP, DStyle 1.6 THP (2010-2018, engine codes 5FV/EP6CDT, 5G01/EP6FDT, 5F02, 5FU)
Failure mileage range
40,000 - 80,000 miles
Typical failure window
Root cause
The original plastic timing chain tensioner guide on early EP6 THP Citroen DS4 engines degrades under thermal stress, allowing the chain to stretch and skip teeth. This misalignment causes immediate valve-to-piston contact and severe internal block damage.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Timing Chain Replacement | £850 - £1,200 | £600 - £850 | Removing the cover, replacing the chain, updated metal tensioner, guides, and water pump before catastrophic skip occurs | 80,000+ miles if caught early; completely resolves the known weak point before valve damage happens |
| Intermediate - Cylinder Head Rebuild | £2,500 - £3,500 | £1,800 - £2,400 | Head removal, machining, replacement of bent valves, new stem seals, and full gasket resealing after timing jump | 40,000-60,000 miles; only viable if the engine block and crankshaft bearings sustained zero impact damage |
| Full Replacement - Rebuilt / Reconditioned Citroen DS4 THP Engine | £3,800 - £5,200 | £2,200 - £3,000 | Supply and fit of a fully rebuilt EP6 long block with upgraded timing hardware, tested injectors, and renewed ancillary drive components | 50,000+ miles with standard servicing; the most cost-effective solution when piston-valve interference has occurred |
Our recommendation
If your Citroen DS4 1.6 THP is producing a cold-start metallic rattle or triggering camshaft correlation fault codes under 70,000 miles, schedule a preventative Citroen DS4 timing chain replacement immediately. Once the tensioner fails and the chain jumps, internal damage renders the aluminium block uneconomical to repair. At that stage, fitting a fully rebuilt Citroen DS4 engine with factory-upgraded tensioner hardware is the only reliable path to long-term ownership.
Compare rebuilt EP6 THP Citroen DS4 engine prices and secure a specialist quote today
Every engine type is available through our UK network with typical price ranges based on Citroen DS4 variant, engine code and budget.
Compare Citroen DS4 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 Citroen DS4 within hours.

Every engine displacement officially fitted to the Citroen DS4 across its UK production run is detailed below, complete with matching engine codes, production years, and documented failure notes to ensure precise replacement compatibility.
The 1.6L HDi, e-HDi, and BlueHDi units formed the commercial backbone of the DS4 range from launch in 2010 through the final 2018 models, offering an optimal balance of low running costs and mid-range torque for urban and motorway driving. Initially equipped with standard DPF systems, later facelift and Crossback variants incorporated AdBlue SCR technology to meet Euro 6 emissions standards, cementing this displacement as the most searched diesel replacement size in the UK market.
Engine Code(s)
9HD, 9HR, DV6C, DV6D
Compatible Models (UK)
DSign, DStyle, DSport, Crossback
Power output
Verified by registration
Common Failure Points
EGR cooler internal leaks, turbo electronic actuator sticking, DPF soot saturation from incomplete regeneration cycles
Production Years: 2010-2018 pre-facelift & facelift
Get quotes for Citroen DS4 1.6L diesel engines

Spanning 2010 to 2018, this technical timeline tracks every major Citroen DS4 engine update, generation shift, and emissions change so owners can instantly pinpoint their unit and compare rebuilt replacement prices from UK specialists.
⚙Key Changes
▣Main Engines
▰Popular Models
🔧Known For
Engine Codes Covered:
9HD5FS5FVRHH