How much does a Jaguar XE Project 8 engine replacement cost in the UK?

A reconditioned Jaguar XE Project 8 engine (AJ133 5.0 SC) typically costs £7,500–£12,000 supply only. Fitting adds £1,500–£2,500. These are specialist-only replacements - the 600PS supercharged V8 requires Jaguar V8 expertise. A timing chain job alone costs £2,000–£4,500.

Is the Jaguar XE Project 8 engine reliable?

The AJ133 5.0L V8 is fundamentally robust, but early examples (pre-2015) are known for timing chain guide wear - the defining issue of the engine family. The Project 8's 600PS tune puts additional stress on the supercharger and cooling systems. The single most important factor is oil change frequency - 5,000–7,500 mile intervals are essential. JLR revised the timing chain guides in 2015 with steel inserts.

What are the common problems with the Jaguar XE Project 8?

Timing chain guide wear (pre-2015 design, cold-start rattle, £2,000–£4,500), plastic coolant crossover pipe failure (coolant loss, overheating, £800–£2,000), and supercharger coupler wear (rattling at idle, £500–£1,000). Cooling system components are a particular concern on the 600PS tune.

Is it worth replacing a Jaguar XE Project 8 engine, or should I scrap the car?

Project 8 values range from £80,000–£150,000+ depending on condition and mileage. A £7,500–£12,000 reconditioned engine represents 5–15% of vehicle value - well within our 60% Jaguar scrap threshold. For almost any example, replacement is financially justified.

How do I find my Jaguar XE Project 8 engine code?

The Project 8 uses the AJ133 engine code - Jaguar Land Rover's 5.0-litre supercharged V8, tuned to 600PS for this application. This is the most powerful version of the AJ133 ever produced. The code is stamped on the engine block; your VIN and vehicle documentation will also confirm the specification.

Can I repair the timing chain issue, or does it need replacement?

Yes - if caught early. Timing chain and guide replacement costs £2,000–£4,500 and is significantly cheaper than a full engine replacement (£7,500–£12,000). JLR revised the guide design in 2015 with steel inserts. At the first sign of cold-start rattle, book an inspection immediately - ignored chain wear can lead to catastrophic piston-valve contact.

Jaguar XE SV Project 82018–20245.0L Supercharged V8

Jaguar XE Project 8 Engine Replacement - Compare Prices & Get Quotes

Name: Jaguar XE Project 8 UK Engine Enquiry Data 2025
Creator: JaguarEngine.uk

Get quotes today from trusted UK Jaguar V8 specialists. The Project 8 is Jaguar's most powerful road car ever - a 600PS 5.0-litre supercharged V8. Compare reconditioned, rebuilt and used AJ133 engines - supply & fit available nationwide.

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Jaguar XE Project 8 Engines - from £6,000 to £15,000Code: AJ133 5.0 SC

Jaguar XE Project 8 Engines - from £6,000 to £15,000· Code: AJ133 5.0 SC

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

Jaguar XE Project 8 Which Engine Does Your Car Actually Have?

Four generations. Four eras. One guide to reliability, costs and what really matters.

Era Note

600PS supercharged V8 - timing chain guides and cooling system are key watchpoints

GenerationYearsEngine CodeReliabilityRecon CostEra Note

2018–2024AJ133 (5.0L supercharged V8)★★★½☆ [NEWLY ASSIGNED - see Data Note]£7,500–£12,000 [PLACEHOLDER - confirm vs cost sheet]600PS supercharged V8 - timing chain guides and cooling system are key watchpoints

Why use this era map?

This table is the single source every other section on this page matches - Sections 2, 4 and 6 reference it rather than restating conflicting figures.

Real UK Cost Data

Verified Reliability

Expert Insights

Updated for 2025

Jaguar XE Project 8 Engine Replacement Costs

Supply Only£7,500–£12,000

Fitted (Indie)£9,000–£13,800

Warranty12–24 months

Best ForMost owners - best cost/warranty balance

Engine TypeSupply OnlyFitted (Indie)WarrantyBest For

Used Engine£6,000–£9,000£7,500–£10,8001–6 monthsBudget priority; lower-mileage donor

Reconditioned Engine£7,500–£12,000£9,000–£13,80012–24 monthsMost owners - best cost/warranty balance

Rebuilt Engine£10,000–£15,000£11,500–£17,00012–24 monthsLong-term ownership; 5+ year horizon

Main Dealer New£15,000–£20,000£17,000–£22,50024–36 monthsInsurance jobs, warranty claims

Figures above reflect the AJ133 5.0 SC engine in Project 8 specification. The 600PS tune means these engines command a premium over standard AJ133 units. All pricing is indicative; actual costs vary by mileage, condition and workshop location.

Labour estimate: Fitting a Project 8 engine typically takes 14–18 hours at £80–£120/hr (independent Jaguar specialist) or £140–£190/hr (London/SE dealer). The supercharger and cooling system add complexity.

Compare Jaguar XE Project 8 engine prices from UK specialists

Common Problems

1. Timing Chain Guide Wear (AJ133 - Pre-2015 Design)

2. Plastic Coolant Crossover Pipe Failure

3. Supercharger Coupler Wear

Weighing Your Options?

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15+ vetted Jaguar specialists, covering the AJ133 Project 8 V8, with a 12-month warranty as standard.

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Jaguar XE Project 8 Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

Jaguar XE Project 8 Repair, Buy, or Replace?

Every 320d has a story. Make the right call with clear data, real-world costs, and honest guidance from UK specialists.

Can It Be Repaired?

ProblemRepairable?Typical CostWhen It Makes SenseTiming chain guide wear✅ Yes£2,000–£4,500Preventative replacement before failure - always cheaper than engine replacementCoolant crossover pipe failure✅ Yes£800–£2,000Fit aftermarket metal pipes for a permanent fixSupercharger coupler wear✅ Yes£500–£1,000Straightforward repair - always worth doingInjector failure✅ Yes£300–£800 per injectorReplace as a set - common on high-mileage AJ133sMajor internal failure (crank/block)❌ Usually NoEngine replacement requiredReplacement often £7,500–£12,000 - assess vehicle value carefully

Buying This Jaguar XE Project 8? Check These First

Buy If

Documented timing chain guide history (post-2015 build or retrofit)
Coolant crossover pipes replaced with metal aftermarket units
Full service history with regular oil changes (5,000–7,500 miles)
Low mileage (under 30,000) with documented history

Avoid If

Any evidence of coolant loss or overheating (crossover pipe failure risk)
Cold-start rattle without documented timing chain work
Poor service history - the AJ133 is unforgiving of extended oil change intervals
Engine warning light with no diagnosis - these engines can hide expensive problems

Closing Verdict

The Project 8 is a landmark Jaguar - the most powerful road car the company has ever built. But with only 300 examples worldwide and a 600PS supercharged V8, it's a high-stakes ownership proposition. The AJ133 engine is fundamentally robust, but timing chain guides and cooling system components demand vigilance. A post-2015 car with documented timing chain history and metal coolant pipes is the gold standard. Buy with your eyes open, maintain religiously, and the Project 8 will reward you.

Don't guess.Get the right engine at the right price.

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Buying Checklist

Before you buy a used Jaguar XE Project 8 (or before you commit to an engine replacement), check these:

Cold Start

Listen for any rattle on startup (timing chain guide wear warning)

Service History

Oil change intervals are critical - 5,000–7,500 miles is the safe zone

Coolant Level

Check for any loss; inspect around crossover pipes for leaks

Supercharger Health

Any rattling from the supercharger at idle? (coupler wear)

Engine Performance

Test acceleration; any hesitation, flat spots, or rough idle?

Oil Consumption

Monitor between services; AJ133s can consume oil in hard use

Engine Warning Light

Have codes been read? Any unresolved issues?

MOT History

Check for emissions-related failures

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Buy smart. Drive with confidence.

A few checks today can save thousands tomorrow. Use this checklist to avoid the most common 320d pitfalls.

Engine Codes

This table's rows match Section 1B's Era Map exactly.

AJ133 5.0L SC (600PS)

Years2018–2024

Power600 PS / 592 bhp / 441 kW

2025 Enquiries- (pattern data - ultra-low-volume halo)

Avg. Recon Cost£7,500–£12,000 [PLACEHOLDER]

Engine CodeYearsPower2025 EnquiriesAvg. Recon Cost

AJ133 5.0L SC (600PS)2018–2024600 PS / 592 bhp / 441 kW- (pattern data - ultra-low-volume halo)£7,500–£12,000 [PLACEHOLDER]

Technical Specs

AJ133 5.0 SC

Displacement5,000 cc (4,999 cc)

CylindersV8, 32-valve DOHC with VVT

Compression Ratio9.5:1 (lower for forced induction)

Fuel SystemDirect injection (SGDI)

TurbochargerSupercharged - Eaton TVS

Additional specifications

Maximum torque700 Nm / 516 lb-ft @ 3,500–5,000 rpm

0–60mph3.3 seconds

Top speed200 mph

Transmission8-speed automatic (ZF 8HP70)

DriveAll-Wheel Drive (AWD)

Kerb weight1,747 kg

ProductionLimited to 300 worldwide, LHD only

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Market Intelligence

Most Common Failure

Timing chain guide wear

50%

of AJ133 high-performance enquiries cite cold-start rattle

[PATTERN DATA - specialist workshop consensus]

Average Enquiry Mileage

25,000

miles

[PATTERN DATA - ultra-low-volume halo car]

Average Replacement Cost

£9,500

reconditioned, supply only

[PLACEHOLDER - confirm vs cost sheet]

Most Requested Engine Code

AJ133 5.0 SC (600PS)

the Project 8's exclusive tune【PATTERN DATA】

Peak Enquiry Season

Spring/Summer

collectors prepare for summer driving and track days【PATTERN DATA】

Regional Demand

South East28%

London22%

South West (15%)【PATTERN DATA - high-net-worth demographic】

Regional Demand Breakdown

28%South East

22%London

Frequently Asked Questions

All prices are indicative UK market ranges based on historical quote data from our network of engine specialists. Actual costs vary by variant, engine code, damage severity and workshop location. Use our free comparison tool to get tailored quotes. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited-mileage warranty - always confirm terms with your chosen supplier.

Why UK Jaguar XE Project 8 Owners Trust JaguarEngine.uk

Trusted Jaguar XE Project 8 Engine Suppliers
every garage and engine rebuilder in our network is vetted, rated and reviewed by real XE owners, as part of the Engine Finders network, with specialist knowledge of the 5.0-litre AJ133 supercharged V8 and its 600PS tune.
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see prices, warranty terms and supply & fit options side‑by‑side before you commit, with transparent pricing for this ultra-high-performance supercharged V8.
UK Engine Replacement Services for Jaguar XE Project 8
supply‑only or full supply & fit available nationwide, covering the X760 Project 8 with specialists who understand the unique demands of Jaguar's most powerful road car.

Find the best Jaguar XE Project 8 engine replacement UK drivers rely on. Compare prices from trusted specialists on EnginesMarket today and get your halo Jaguar back on the road with confidence.

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No hidden fees

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20+ vetted experts

12-Month Warranty

As standard

Nationwide Delivery

Supply & fit available