Range Rover 20-HD-M-16 Engine (2020–2023) – Specs, Problems & Compatibility Database

The Range Rover 20 HD M 16 is a 2,996 cc, inline‑six turbocharged petrol engine produced between 2020 and 2023. It features a twin — scroll turbocharger, direct fuel injection, and DOHC valvetrain with variable valve timing. In standard form it delivers 294 kW (400 PS) and 550 Nm of torque, enabling strong performance with refined drivability.

Fitted exclusively to the L460 Range Rover and Range Rover Sport (2020–2023), the 20 HD M 16 was engineered for responsive power deli…

RangeRover Engine
Compliance Note:

All production years 2020–2023 meet Euro 6d emissions standards .

Range Rover 20-HD-M-16 Technical Specifications

The Range Rover 20 HD M 16 is a 2,996 cc inline‑six turbocharged petrol engine engineered for full-size luxury SUVs (2020–2023). It combines direct injection with a twin-scroll turbocharger to deliver smooth, linear power and responsive torque across the rev range. Designed to meet Euro 6d standards, it balances performance with regulatory compliance and everyday drivability.

ParameterValueSource
Displacement
2,996 cc
Fuel type
Petrol (ULP 95 RON min)
Configuration
Inline‑6, DOHC, 24‑valve
Aspiration
Turbocharged
Bore × stroke
84.0 mm × 90.0 mm
Power output
294 kW (400 PS) @ 5,500 rpm
Torque
550 Nm @ 2,000–4,500 rpm
Fuel system
Bosch HDEV6 direct injection (up to 350 bar)
Emissions standard
Euro 6d
Compression ratio
10.5:1
Cooling system
Water‑cooled with dual-circuit layout
Turbocharger
Single twin-scroll turbo (Honeywell)
Timing system
Chain-driven (front-mounted)
Oil type
Jaguar Land Rover STJLR.03.5005 (SAE 0W‑20)
Dry weight
215 kg

Range Rover 20-HD-M-16 Compatible Models

The Range Rover 20 HD M 16 was used across Land Rover's L460 platform with longitudinal mounting and shared with the Range Rover Sport (L461). This engine received platform-specific adaptations—reinforced engine mounts in the L460 and revised cooling ducting in the L461—and from 2022 the mild-hybrid 48V system was standardised, though the base petrol variant retained identical core architecture. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2020–2023
Models:
Range Rover (L460)
Variants:
P400
View Source
Land Rover Group PT‑2021
Make:
Land Rover
Years:
2020–2023
Models:
Range Rover Sport (L461)
Variants:
P400
View Source
Land Rover TIS Doc. J41230

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Common Reliability Issues - RANGE-ROVER 20-HD-M-16 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.

GPF clogging due to insufficient regeneration
Symptoms: Reduced power, 'Exhaust filter full' warning, increased fuel consumption, limp mode.
Cause: Low exhaust temperatures during short urban trips prevent passive GPF regeneration; active cycles fail to complete without sustained load.
Fix: Perform forced regeneration via diagnostics or drive at 60+ km/h for 15+ minutes. In severe cases, GPF cleaning or replacement per Land Rover procedure.
High-pressure fuel pump wear
Symptoms: Hard starts, misfires, fuel rail pressure faults, rough idle.
Cause: Contaminated fuel or incorrect oil viscosity reducing lubrication to the cam-driven HPFP lobe.
Fix: Replace HPFP and inspect cam follower; ensure use of JLR-approved 0W-20 oil and EN 228-compliant fuel.
Turbo actuator calibration drift
Symptoms: Boost spikes, hesitation, overboost DTCs, check engine light.
Cause: Thermal cycling and electrical noise affecting position sensor in twin-scroll wastegate actuator.
Fix: Recalibrate actuator via Land Rover-approved diagnostics; replace if out of tolerance per TIS J41212.
Oil leaks from valve cover gasket
Symptoms: Oil residue on rear of engine, smell in cabin, minor drips on undertray.
Cause: Age or thermal stress on multi-layer silicone gasket sealing the aluminium cam cover.
Fix: Replace gasket with updated OEM part and torque to specification; inspect PCV system for overpressure.
Research Basis

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

RANGE-ROVER 20-HD-M-16 FAQ Common Questions Answered

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

The 20 HD M 16 is generally robust when maintained properly. Its main vulnerability is GPF clogging in city driving, not mechanical failure. Using correct 0W-20 oil, 95 RON fuel, and ensuring regular highway driving greatly improves longevity. Early data (2020–2023) shows good reliability with adherence to service schedules.

The most frequent issues are GPF overloading from short trips, high-pressure fuel pump wear due to poor fuel or oil, turbo actuator calibration drift, and minor valve cover oil leaks. These are documented in Land Rover service bulletins LTB00612 and TIS updates.

This engine powers the P400 variant of the L460 Range Rover and L461 Range Rover Sport from 2020 to 2023. It is not used in Defender, Discovery, or older Range Rover generations. All applications are Euro 6d-compliant petrol models.

Aftermarket ECU tuning is common on the 20-HD-M-16 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.

Official WLTP combined is ~10.5 L/100km (27 mpg UK), but real-world mixed driving typically yields 11–13 L/100km (22–25 mpg UK). Highway cruising can achieve ~9 L/100km (31 mpg UK), while city driving may exceed 14 L/100km (20 mpg UK), especially with GPF regeneration cycles.

Yes. Like all modern DOHC engines, the 20 HD M 16 is an interference design. If the timing chain fails (extremely rare in this application), piston-to-valve contact can cause catastrophic damage. However, the chain is front-mounted and highly durable with proper oil maintenance.

It requires Jaguar Land Rover STJLR.03.5005 specification oil, typically SAE 0W‑20 synthetic. This is critical for HPFP lubrication, turbo protection, and emission system longevity. Do not substitute with generic ACEA oils—only JLR-approved formulations are validated.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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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.

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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.

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VCA Certification Portal

Type-approval guidance and documentation.

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