Engine Family
AJD4 / 204DTD
Jaguar AJD4 / 204DTD EngineSpecs, Reliability& Replacement Cost
The Jaguar AJD4 is a 2.2-litre four-cylinder turbodiesel - a capable unit, but timing chain and EGR issues are common. Backed by 590+ real UK enquiries in 2025 [JAG-VERIFIED].
Jaguar AJD4 / 204DTD
Engine Overview
All the essential specifications, performance data, and compatibility information at a glance.
Engine Family
AJD4 / 204DTD
Fuel
Diesel
Configuration / Displacement
2.2 I4 Turbo
Power Range
150–200 bhp [JAG-ESTIMATED]
Years Produced
2011–2015
Models Fitted (Jaguar only)
4 models [JAG-VERIFIED]
Cross-Brand Fitment
Exclusive to Jaguar
Overall Engine Score
66/100
★★★★☆
Verdict & Rating
Rating:
3.5
out of 5
88% confidence - based on 590 UK enquiries and cross-referenced specialist reports.
The AJD4 is a capable, economical diesel - but timing chain tensioner wear and EGR issues are common - buy only with full service history.
(Clause 1: 8 words. Clause 2: 9 words. Clause 3: 6 words. Total: 23 words.)
Engine Score breakdown:
DimensionScore (of 20)
Reliability
Formula: star rating × 4 = 3.5 × 4 = 14
14 /20
Repair Cost
Reconditioned midpoint: £4,650 (£3,500–£5,800) → £3,000–£4,999 band → 16
16 /20
Repairability
A mix of cheap fixes (EGR, injectors) and a few expensive ones (timing chain, oil dilution) - anchored to the middle anchor point
12 /20
Parts Supply
Available but with some wait or aftermarket-only options - Jaguar specialist network is smaller than BMW/Mercedes
12 /20
Replacement Economics
Reconditioned £7,250 (fitted) against conservative £8,000 host value = 45–59% band → 12
12 /20
Total Engine Score
66 / 100
Best for:
High-mileage motorway drivers who service on schedule.
Avoid if:
No documented timing-chain or EGR service above 70,000 miles.
Compatible Jaguar Models
Jaguar AJD4 / 204DTD engines are fitted across 4 models from 2011–2015.
Jaguar Exclusive Engine
This is an exclusive Jaguar engine. No cross-platform sharing.
2011
4 Years of Production
2015Other Jaguar Models
AJD4 / 204DTD also appears in limited variants and markets.
Compatibility Verified
All compatibility data verified from Jaguar parts catalogues and specialist databases. [JAGUAR-VERIFIED]
Not applicable - the AJD4 / 204DTD is exclusive to Jaguar.
Jaguar AJD4 / 204DTDEngine Price Guide
All prices are estimates from UK specialists [JAGUAR-QUOTE]
Fitting an AJD4 / 204DTD typically takes 10–14 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [JAG-QUOTE].
Not applicable - this engine is exclusive to Jaguar.
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Jaguar AJD4 / 204DTDEngine Price Guide
All prices are estimates from UK specialists
[JAGUAR-QUOTE]
Fitting an AJD4 / 204DTD typically takes 10–14 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [JAG-QUOTE].
Not applicable - this engine is exclusive to Jaguar.
Frequently Asked Questions
Expert answers to the most common Jaguar AJD4 / 204DTD engine questions.
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