Engines Market

Jaguar P300 Specialists

Jaguar XE P300 Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Jaguar XE P300 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the most reliable and cost-effective replacement for your high-output 2.0L petrol vehicle.

Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
Jaguar XE P300 Engine
from£3,600 to £5,800
  • Usedfrom £1,500
  • Reconditionedfrom £3,200
  • Common codesAJ20P4
Jaguar xe P300 Used Engine — AJ20P4Jaguar xeUsed Engine — AJ20P4Jaguar xe P300 Reconditioned Engine — AJ20P4Jaguar xeReconditioned Engine — AJ20P4Jaguar xe P300 Rebuilt Engine — AJ20P4Jaguar xeRebuilt Engine — AJ20P4

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Jaguar XE P300 Engine History & Specs at a Glance

When the Jaguar XE P300 launched, it served as the high-output petrol flagship of the compact executive range, bridging the gap between the standard P250 and the supercharged XE S. Its powertrain evolved with the 2019 facelift to incorporate the refined AJ20P4 Ingenium engine, delivering 300hp with improved thermal management.

Jaguar XE P300
  1. 2019

    AJ20P4 2.0L High-Output Petrol introduced (300hp), replacing earlier lower-output variants in the P300 trim, featuring a revised valve train and upgraded thermal management to address early-generation tensioner concerns.

  2. 2020

    Integration of 48V Mild Hybrid Electric Vehicle (MHEV) technology alongside the AJ20P4, enhancing stop-start smoothness and providing torque fill, though the core combustion engine architecture remained unchanged.

  3. 2024

    Final production year for the X760 generation Jaguar XE P300, cementing the AJ20P4 as the definitive high-performance four-cylinder unit for this model before the range's discontinuation.

Every engine fitted to the Jaguar XE P300 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Jaguar XE P300 Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

AJ20P4 — 2.0L Petrol (2019-2024) engine

AJ20P4 — 2.0L Petrol (2019-2024)

Power Output
300hp
Years Fitted
2019-2024

Can’t find your exact engine code?-> Get quotes for AJ20P4 Jaguar XE P300 engine replacement

-> Get quotes for AJ20P4 Jaguar XE P300 engine replacement

Common Problems

Jaguar XE P300 Engine Problems Repair Cost vs Replacement

The Jaguar XE P300 reliability landscape is primarily defined by the high-output AJ20P4 Ingenium petrol engine. While more robust than early diesel variants, it is susceptible to specific high-stress wear points. Rebuilt engines supplied through EnginesMarket include upgraded internal components designed to permanently address these original failure points, backed by a minimum 12-month unlimited mileage warranty.

Common failure points and repair options

Cam Phaser & Timing Chain Rattle

Affected
Jaguar XE P300 (AJ20P4, 2019-2024)
Typical failure mileage
70,000 - 110,000 miles
Root cause
Wear in the variable valve timing (VVT) cam phasers and timing chain tensioners, exacerbated by high operating temperatures and oil degradation, causing a distinct rattling noise on cold starts.

Repair options

Repair tierDealer priceSpecialist price
Minor - Preventative Timing Component Upgrade£1,800-£2,500£1,200-£1,800
Full Replacement - rebuilt/reconditioned engine£6,500-£9,000£3,600-£5,800
Our recommendation
If your Jaguar XE P300 is exhibiting early cold-start rattle but runs smoothly otherwise, a preventative timing component upgrade by a specialist is the most cost-effective first step. However, if you are experiencing significant oil consumption, loss of compression, or metallic knocking, a full rebuilt engine with upgraded internals is the only reliable long-term solution to protect your investment.

Piston Ring Wear & Oil Consumption

Affected
Jaguar XE P300 (AJ20P4, 2019-2024)
Typical failure mileage
60,000 - 100,000 miles
Root cause
High-output thermal stress and carbon buildup can cause piston rings to stick or wear prematurely, leading to excessive oil consumption, blue exhaust smoke, and potential catalytic converter damage.

Repair options

Repair tierDealer priceSpecialist price
Intermediate - Carbon Cleaning & Ring Soak£800-£1,200£500-£800
Full Replacement - rebuilt/reconditioned engine£6,500-£9,000£3,600-£5,800
Our recommendation
If your Jaguar XE P300 is exhibiting early cold-start rattle but runs smoothly otherwise, a preventative timing component upgrade by a specialist is the most cost-effective first step. However, if you are experiencing significant oil consumption, loss of compression, or metallic knocking, a full rebuilt engine with upgraded internals is the only reliable long-term solution to protect your investment.
-> Compare rebuilt AJ20P4 Jaguar XE P300 engine prices

Don't Let Engine Failure Write Off Your Jaguar XE P300

Whether you are dealing with cam phaser rattle or oil consumption on your Jaguar XE P300, the financial decision between repeated dealership diagnostics and a complete engine replacement is straightforward. EnginesMarket connects you with trusted UK specialists who supply fully rebuilt engines featuring upgraded internal components that permanently address the original design flaws. Every unit comes with a minimum 12-month unlimited mileage warranty, nationwide delivery, and optional supply & fit packages, allowing you to bypass main dealer markups and return to the road with confidence.

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FAQ

Jaguar XE P300 Engine ReplacementFrequently Asked Questions

Everything Jaguar XE P300 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

Why Choose Us

Compare Jaguar XE P300 Engine Prices Today

Comparing quotes is completely free and carries no obligation. By entering your registration, you ensure that every quote you receive is precisely matched to your Jaguar XE P300's specific AJ20P4 engine code, guaranteeing compatibility and transparent pricing from vetted UK specialists.

500+500+ Jaguar XE P300 engines sourced through our network
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