Land Rover Velar P4002021–present3.0 AJ20P6

Land Rover Velar P400 Engine Replacement - Compare Prices & Get Quotes

Get quotes today from trusted UK Land Rover Velar P400 specialists. Compare reconditioned, rebuilt and used AJ20P6 engines - supply & fit available nationwide.

Supply & Fit Available
12-Month Warranty
Nationwide Delivery
12 Specialists
Velar P400 Engines - from £3,500 to £8,500Code: AJ20P6
GB
Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

ERA MAP

The VELAR P400 THROUGH TIME - Era Map

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

Why use this era map?

Every cost guide, reliability rating and engine code on this page is aligned to the data above. This keeps everything consistent and trustworthy.

Real UK Cost Data
Verified Reliability
Expert Insights
Updated for 2025

REPLACEMENT COSTS

Land Rover Velar P400 Engine Replacement Costs

Labour estimate: Fitting a Velar P400 engine typically takes 12–16 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer).

COMMON PROBLEMS

Common Problems

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Weighing Your Options?

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12 vetted Land Rover specialists, every P400 engine variant covered, with a 12-month warranty as standard.

See Velar P400 Engine Options

REPAIR OR REPLACE

Velar P400 - Repair, Buy, or Replace?

Every engine 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 SenseWater pump failure (AJ20P6)✅ Yes£500–£1,000Preventative - replace the pump before it fails; far cheaper than overheating damageCoolant crossover pipe leak (AJ20P6)✅ Yes£300–£600Straightforward part replacement; book at next serviceTiming chain tensioner wear (AJ20P6)✅ Yes£1,500–£2,500If caught early; don't drive with a rattling chainOverheating damage from coolant loss⚠️ Depends£1,500–£5,000If head gasket or block damage has occurred, replacement may be cheaperCrankshaft bearing failure❌ Usually NoEngine replacementNot a common AJ20P6 failure; if it occurs, replacement is the only option

Buying This Velar P400? Check These First

Buy If

  • Full Land Rover service history with documented oil-change intervals
  • Water pump replaced at or before 60,000 miles as a preventative measure
  • Coolant crossover pipes inspected for signs of brittleness or leaks
  • Post-2022 build with any early cooling system software updates applied

Avoid If

  • Service history shows repeated coolant top-ups with no diagnosis
  • Any evidence of overheating - check the service records for head gasket work
  • No record of cooling system maintenance on higher-mileage examples (60k+)
  • Engine warning light present with no diagnosis documentation

Closing Verdict

The Velar P400's AJ20P6 is JLR's most refined 3.0 petrol yet - a genuine step forward from the AJ126 supercharged V6. But like all modern engines, it demands the right cooling system maintenance. Buy on service history and proof of water pump replacement. If you're replacing, a reconditioned unit with a 12-month warranty is the sweet spot.

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BUYING CHECKLIST

Buying Checklist

Before you buy a used Land Rover Velar P400 (or before you commit to an engine replacement), check these:

1

Cold Start

Listen for any rattle on startup (timing chain tensioner wear)

2

Service History

Including which engine era (AJ20P6 is the only P400 engine - verify this before purchase)

3

Coolant Level

Is the coolant low with no visible leak? Potential water pump or crossover pipe issue

4

Turbo Boost

Test acceleration; any hesitation, lag, or whistling?

5

Cooling System Check

Has the water pump been replaced? This is the number‑one preventative item

6

Oil Consumption

Does it use more than 1L per 5,000 miles? If so, investigate

7

Engine Warning Light

Have codes been read? Any unresolved cooling or fuelling issues?

8

MOT History

Check for emissions-related failures; the P400 should pass easily if well‑maintained

Buy smart. Drive with confidence.

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

ENGINE CODES

Engine Codes

AJ20P6

AJ20P6

Years2021–present
Power400 bhp / 550 Nm
2025 Enquiries- (pattern data)
Avg. Recon Cost£4,500–£7,000 [EM-QUOTE]

Technical Specs

AJ20P6
Displacement2,999cc
Cylinders6-cylinder inline (straight-six)
Compression Ratio10.5:1
Fuel SystemDirect injection (250 bar)
TurbochargerSingle twin-scroll turbo (Garrett) + 48V mild hybrid

MARKET INTELLIGENCE

Market Intelligence

Most Common Failure

Water pump and cooling system issues

40%

of AJ20P6 enquiries

[PATTERN DATA]

Average Enquiry Mileage

55,000

miles

[PATTERN DATA]

Average Replacement Cost

£5,500

reconditioned, supply only

[EM-QUOTE]

Most Requested Engine Code

AJ20P6

[EM-VERIFIED]

Peak Enquiry Season

Summer

cooling system issues worsen in hot weather

[PATTERN DATA]

Regional Demand

South East25%
London20%
South West14%

PATTERN DATA

Regional Demand Breakdown

20%London
25%South East

FAQ

FAQ

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.

TRUST & PROOF

Find the best Land Rover Velar P400 engine replacement UK drivers rely on. Compare prices from trusted specialists on EnginesMarket today and get back on the road with confidence.

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