Land Rover Discovery P360 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Land Rover Discovery P360 engine specialists. Compare prices on reconditioned, rebuilt and used engines to restore your high-performance mild-hybrid powertrain.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £6,500 to £10,000 [EM-QUOTE]
Used from £2,500 · Reconditioned from £4,500 · Common codes: AJ20P6, 306PS
From £2,500
Tested, bare/short engine
From £4,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Land Rover Discovery P360 specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Land Rover Discovery P360 Replacement Engineto Finding the Best Land Rover Discovery P360 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryLand Rover Discovery P360 - Engine History & Specs at a Glance
Launched as the performance-oriented petrol variant of the facelifted L462 generation, the Land Rover Discovery P360 pairs the versatile seven-seat chassis with a potent 3.0-litre inline-six mild-hybrid petrol engine, replacing older V6 configurations with improved efficiency and refinement.
Variant HistoryLand Rover Discovery P360 - Engine History & Specs at a Glance
Launched as the performance-oriented petrol variant of the facelifted L462 generation, the Land Rover Discovery P360 pairs the versatile seven-seat chassis with a potent 3.0-litre inline-six mild-hybrid petrol engine, replacing older V6 configurations with improved efficiency and refinement.
Land Rover Discovery P360
Fuel TypePetrol (MHEV)
Engine Size Range3.0L
Power Output Range360PS (355bhp) across the variant's historyEngine History Timeline
AJ20P6 / 306PS (3.0L I6 MHEV Petrol) 360PS (355bhp), introduced in the Discovery 5 facelift, featuring an integrated starter-generator and refined turbocharging for seamless torque delivery.
Key Specs Snapshot
Fuel TypePetrol (MHEV)Engine Size Range3.0LPower Output Range360PS (355bhp) across the variant's historyYears Produced2021-presentEvery engine fitted to the Land Rover Discovery P360 is covered below, with UK rebuilt pricing and known failure points.
Land Rover Discovery P360 Engine Codes - Specifications & Replacement CostLand Rover Discovery P360 Engine Codes - Specifications & Replacement Cost
3.0L Petrol MHEV (2021-present)
Power Output360PS (355bhp)Years Fitted2021-present
Compatible Trim Levels
- Discovery P360 R-Dynamic S
- Discovery P360 R-Dynamic HSE
- Discovery P360 First Edition
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£2,500-£4,500
Reconditioned
Addressed known issues, tested
£4,500-£7,500
Rebuilt
Full teardown, upgraded internals
£6,500-£10,000
Common Failure
As a relatively new engine, long-term failure data is still emerging, but the broader Ingenium 3.0L petrol family has shown vulnerabilities in the cooling system (electric water pump and plastic coolant crossover pipes) requiring proactive monitoring.
The 3.0L Ingenium inline-six in the Land Rover Discovery P360 is a highly capable, modern powertrain. While generally robust, its complex mild-hybrid architecture and cooling systems require precise maintenance. Rebuilt engines through EnginesMarket include upgraded components addressing original failure points, backed by a minimum 12-month unlimited-mileage warranty.
Why the Land Rover Discovery P360 AJ20P6 Requires Attention
Affected Vehicles
Land Rover Discovery P360 (AJ20P6 / 306PS, 2021-present)
Typical Failure Mileage
60,000-120,000 miles (projected based on Ingenium family patterns)
Root Cause
Plastic coolant crossover pipes and electric water pump components can degrade under repeated heat cycles, leading to coolant loss and potential overheating if not addressed promptly.
Why It Happens
Plastic coolant crossover pipes and electric water pump components can degrade under repeated heat cycles, leading to coolant loss and potential overheating if not addressed promptly.
Dealer (parts + labour)
£800-£1,500
Specialist (parts + labour)
£500-£900
What it involves
Coolant flush, electric water pump inspection, and seal replacement
Suitability
Highly suitable for minor leaks before overheating occurs
1 - 2 daysDealer (parts + labour)
£9,000-£14,000
Specialist (parts + labour)
£6,500-£10,000 [EM-QUOTE]
What it involves
Supply & fit of a rebuilt 3.0L I6 with upgraded cooling components and 12-month warranty
Suitability
Necessary if coolant loss has caused severe overheating and warped components
1 - 2 days
All prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Preventative Cooling System Service Minor | £800-£1,500 | £500-£900 | Coolant flush, electric water pump inspection, and seal replacement | Highly suitable for minor leaks before overheating occurs | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £9,000-£14,000 | £6,500-£10,000 [EM-QUOTE] | Supply & fit of a rebuilt 3.0L I6 with upgraded cooling components and 12-month warranty | Necessary if coolant loss has caused severe overheating and warped components | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Land Rover Discovery P360 holds a current UK market value of £30,000-£80,000+ depending on specification and mileage [THIRD-PARTY]. At this valuation, a rebuilt engine replacement cost represents a small fraction of the vehicle's total value, making professional replacement highly viable to preserve its premium status.
Our Recommendation
Our Recommendation
Proactive inspection and replacement of the electric water pump and coolant crossover pipes is a highly recommended, low-cost preventative measure. If overheating has already occurred, a full rebuilt engine replacement is the safest and most reliable solution to protect your investment.
Don't Let Engine Failure Write Off Your Land Rover Discovery P360
Protect your premium investment with a fully rebuilt Land Rover Discovery P360 engine. Our network supplies units with upgraded components that address known failure points, backed by a minimum 12-month unlimited-mileage warranty and nationwide delivery. Avoid main dealer premiums by comparing transparent, itemised quotes from vetted UK specialists today.
Compare rebuilt AJ20P6 Land Rover Discovery P360 engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Land Rover Discovery P360. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Land Rover Discovery P360 Engine ReplacementFrequently Asked Questions
Question 1How much does a Land Rover Discovery P360 engine replacement cost-
A complete rebuilt Land Rover Discovery P360 engine typically costs between £6,500 and £10,000 for supply only [EM-QUOTE].
- Used units start from around £2,500.
- Reconditioned units range from £4,500 to £7,500.
- Prices vary based on the specific AJ20P6 / 306PS engine code and supplier.
Question 2What are the signs of cooling system failure in a Discovery P360-
Early warning signs include unexplained coolant loss, a sweet smell from the engine bay, or dashboard warning lights indicating low coolant levels.
- Unusual engine noises or knocking due to overheating.
- Reduced performance or limp mode activation.
- Steam or visible leaks under the vehicle after driving.
Question 3Is it worth replacing the engine in a Land Rover Discovery P360-
Yes, absolutely. The Land Rover Discovery P360 is a high-value premium SUV with current market values ranging from £30,000 to over £80,000 [THIRD-PARTY].
- A rebuilt engine cost is a small fraction of the vehicle's total value.
- It preserves the car's towing capability, refinement, and resale value.
- Upgraded rebuilt units address known factory cooling component weaknesses.
Question 4How long does a Land Rover Discovery P360 engine supply and fit take-
A professional Land Rover Discovery P360 engine replacement typically takes 3 to 5 working days.
- Removal and preparation of the old unit takes 1-2 days.
- Fitting, calibration, and 48V MHEV system testing of the new rebuilt engine takes 2-3 days.
- Nationwide collection and delivery are arranged by the specialist.
Question 5Do rebuilt P360 engines retain the 48V mild-hybrid (MHEV) functionality-
Yes, reputable specialists rebuilding a Land Rover Discovery P360 engine ensure full compatibility with the 48V mild-hybrid architecture.
- The integrated starter-generator (ISG) and associated electrical components are tested and calibrated.
- All MHEV software maps are retained or updated to factory specifications.
- This ensures seamless stop-start operation and torque-fill performance.
Why Choose UsCompare Land Rover Discovery P360Engine PricesToday
100+ Land Rover Discovery P360 engines supplied through our network
12-Month Warranty on every rebuilt Land Rover Discovery P360 engine
Nationwide UK delivery
specialist supply & fit available
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