Land Rover 25K4F Engine (2020–2023) – Specs, Problems & Compatibility Database

The Land Rover 25 K4F is a 1,999 cc, inline — four turbocharged petrol engine produced between 2020 and 2023. Part of Jaguar Land Rover's Ingenium engine family, it features direct fuel injection, twin — scroll turbocharging, and variable valve timing. In high — output tune it delivers 183 kW (250 PS) and 365 Nm of torque, positioning it as the performance — oriented petrol option across Land Rover’s compact and mid — size SUVs.

Fitted to models including the Range Rover Evoque…

Land Rover 25K4F Engine
Compliance Note:

All production years (2020–2023) comply with Euro 6d-Final emissions standards .

Land Rover 25K4F Technical Specifications

The Land Rover 25 K4F is a 1,999 cc inline-four turbocharged petrol engine developed for performance-focused SUV applications (2020–2023). It integrates twin-scroll turbocharging with Bosch HDEV6 direct injection to deliver strong mid-range pull and improved throttle response. Designed to meet Euro 6d-Final regulations, it balances performance with emissions control through a GPF and cooled EGR system.

ParameterValueSource
Displacement
1,999 cc
Fuel type
Petrol
Configuration
Inline-4, DOHC, 16-valve
Aspiration
Turbocharged (twin-scroll)
Bore × stroke
84.0 mm × 90.0 mm
Power output
183 kW (250 PS) @ 5,500 rpm
Torque
365 Nm @ 1,500–4,500 rpm
Fuel system
Bosch HDEV6 direct injection (up to 350 bar)
Emissions standard
Euro 6d-Final
Compression ratio
10.5:1
Cooling system
Water-cooled
Turbocharger
IHI twin-scroll turbo with integrated wastegate actuator
Timing system
Dual-chain (primary and secondary)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
132 kg

Land Rover 25K4F Compatible Models

The Land Rover 25 K4F was used across Land Rover's Evoque/Discovery Sport platforms with transverse mounting and shared with Jaguar for performance-oriented applications. This engine received platform-specific tuning-shorter intake manifolds in the Evoque and revised torque mounts in the Discovery Sport-and from 2022 the facelifted Velar adopted the GPF-enhanced 25 K4F variant with updated ECU mapping, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2020–2023
Models:
Range Rover Evoque (L551)
Variants:
P300
View Source
Land Rover PTS-2021
Make:
Land Rover
Years:
2020–2023
Models:
Discovery Sport (L550)
Variants:
P300
View Source
Land Rover PTS-2021
Make:
Land Rover
Years:
2020–2023
Models:
Velar (L560)
Variants:
P300
View Source
Land Rover PTS-2021
Make:
Jaguar
Years:
2020–2023
Models:
E-Pace
Variants:
P300
View Source
Jaguar PTS-2021
Make:
Jaguar
Years:
2021–2023
Models:
XEL
Variants:
P300
View Source
Jaguar PTS-2021

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Common Reliability Issues - LAND-ROVER 25K4F Compatible Models

Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation, misfires, reduced power, increased hydrocarbon emissions.
Cause: Carbon deposits accumulate on intake valves due to lack of fuel washing (direct injection only), exacerbated by short-trip driving and low RPM usage.
Fix: Perform walnut blasting or chemical cleaning of intake valves; update ECU software to optimize purge cycles per Land Rover SIB P310-0146.
Gasoline particulate filter (GPF) clogging
Symptoms: Reduced fuel economy, increased regeneration frequency, engine warning light, loss of power.
Cause: Incomplete regeneration cycles due to short-trip driving; low-SAPS oil consumption can accelerate ash buildup.
Fix: Initiate forced regeneration via diagnostic tool; verify oil consumption and replace GPF if saturated. Use only EN 228-compliant fuel.
Turbocharger wastegate actuator sticking
Symptoms: Loss of boost, limp-home mode, erratic throttle response, over/under-boost DTCs.
Cause: Carbon buildup and thermal degradation in the wastegate linkage mechanism, exacerbated by frequent short trips and low-quality fuel.
Fix: Replace with updated OEM-specified actuator per service bulletin; recalibrate boost control in diagnostics and inspect for ECU software updates.
Timing chain tensioner wear
Symptoms: Ticking noise at cold start, camshaft timing faults, oil contamination with metal particles.
Cause: Early-design hydraulic tensioners susceptible to wear under high thermal load and extended oil intervals.
Fix: Install latest-spec tensioner and guide rails per SIB; verify oil pressure and replace if chain stretch exceeds tolerance.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

LAND-ROVER 25K4F FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The 25 K4F offers strong performance and responsiveness, but pre-2022 models have known intake valve coking issues in urban environments. Later revisions (2022+) show improved reliability with updated ECU calibration for carbon management. When maintained properly—using correct oil (0W-20 JLR STJLR.51.5004) and adhering to service intervals—these engines can reliably exceed 150,000 km.

Primary issues include intake valve carbon buildup from short trips, GPF clogging, turbo wastegate actuator sticking, and early timing chain tensioner wear. These are documented in Land Rover service bulletins P310-0146 and P312-0056. Regular highway driving and using quality petrol significantly reduce failure risk.

The 25 K4F is used in the Range Rover Evoque (L551), Discovery Sport (L550), Velar (L560), and E-Pace. It also appears in the Jaguar XEL and E-Pace. All models from 2020–2023 with the P300 petrol designation use this engine. All units comply with Euro 6d-Final emissions standards.

Aftermarket ECU tuning is common on the 25K4F platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.

In real-world conditions, expect 9.5–10.5 L/100km (27–30 mpg UK) in urban driving and 7.5–8.2 L/100km (34–38 mpg UK) on highways. Combined consumption is approximately 8.5 L/100km (33 mpg UK). GPF regeneration cycles may temporarily reduce efficiency.

Yes. The 25 K4F is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic internal damage. Chain maintenance and timely oil changes are essential to prevent tensioner failure and ensure long-term reliability.

Land Rover specifies 0W-20 synthetic oil meeting STJLR.51.5004 standard. This low-SAPS formulation protects the GPF and ensures proper lubrication of the twin-chain timing system. Oil must be changed every 12,000–15,000 km or annually to maintain engine health.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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