Engine Code

RANGE-ROVER 16-K4F engine (2024–2025) – Specs, Problems & Compatibility Database

The Range Rover 16 K4F Petrol is a 4,367 cc, V8 twin-turbocharged petrol engine introduced in 2024 for high-performance SV variants. It features direct fuel injection, dual overhead camshafts (DOHC), and a 48V mild-hybrid system integrated via a belt-driven starter-generator. In P615 guise it produces 450 kW (615 PS) and 750 Nm of torque, enabling sub-4-second 0–100 km/h acceleration while supporting stop-start functionality and torque-fill during gear shifts.

Fitted exclusively to the L460 Range Rover SV and Range Rover Sport SV (2024 onward), the 16 K4F was engineered for uncompromising performance, refined grand touring, and responsive towing. Emissions compliance is achieved through gasoline particulate filtration (GPF), variable valve timing, and precise air-fuel ratio control, meeting Euro 6d standards across all global markets.

One documented concern is turbocharger oil feed line degradation under sustained high-temperature operation, highlighted in Land Rover Service Bulletin LTB00589. This stems from early-design elastomer seals in the feed circuit that can harden over time, potentially leading to minor seepage or, in rare cases, reduced turbo lubrication. Land Rover issued a revised oil feed kit in Q2 2025 for affected MY24 units.

RangeRover Engine
Compliance Note:

All production years (2024–2025) meet Euro 6d emissions standards universally (VCA UK Type Approval #VCA/EMS/9217).

16-K4F Technical Specifications

The Range Rover 16 K4F Petrol is a 4,367 cc V8 twin-turbocharged petrol engine engineered for flagship luxury SUVs (2024–2025). It combines a 48V mild-hybrid system with twin-scroll turbocharging to deliver immediate throttle response and high torque across a broad rpm band. Designed to meet Euro 6d standards, it balances extreme performance with stringent emissions compliance.

ParameterValueSource
Displacement4,367 cc
Fuel typePetrol (ULP 98 RON min)
ConfigurationV8, DOHC, 32‑valve
AspirationTwin-turbocharged + 48V MHEV
Bore × stroke88.0 mm × 89.7 mm
Power output450 kW (615 PS)
Torque750 Nm @ 2,250–5,500 rpm
Fuel systemDirect injection (Bosch HDEV6, 350 bar)
Emissions standardEuro 6d
Compression ratio10.0:1
Cooling systemWater‑cooled with triple-circuit layout and auxiliary oil cooler
TurbochargerTwin Honeywell twin-scroll units (integrated exhaust manifolds)
Timing systemChain-driven (front-mounted, maintenance-free design)
Oil typeLand Rover STJLR.03.5022 (SAE 0W‑20)
Dry weight256 kg
Practical Implications

The twin-turbo V8 delivers explosive acceleration and seamless torque-fill via the 48V system, but demands strict adherence to 0W-20 STJLR.03.5022 oil specifications to protect turbo bearings and piston ring lands. Early MY24 units require inspection of turbo oil feed lines per SIB LTB00589 due to potential seal hardening under thermal stress. The engine is non-interference; timing chain failure will not cause valve-piston contact. Use only 98 RON minimum fuel to prevent knock under high load.

Data Verification Notes

Oil Specs: Requires Land Rover STJLR.03.5022 (0W-20) specification (Owner Handbook L460-2024). ACEA C5 compliant with low-SAPS formulation.

Emissions: Euro 6d certification applies to all 2024–2025 models globally (VCA Type Approval #VCA/EMS/9217). Real Driving Emissions (RDE) compliant.

Power Ratings: Measured under ISO 1585 standards. Power output assumes 98 RON minimum fuel (JLR PT-2024).

Primary Sources

Land Rover Technical Information System (TIS): Docs TIS-LR-4191, TIS-LR-4205, SIB LTB00589

VCA Type Approval Database (VCA/EMS/9217)

ISO 1585: Road vehicles — Engine test code

16-K4F Compatible Models

The Range Rover 16 K4F Petrol was used across Land Rover's L460 platform with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—enhanced intercooling in the Range Rover SV and performance-tuned engine mounts in the Range Rover Sport SV—and from Q2 2025 the MY25 update introduced revised turbo oil feed lines, creating minor service part interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Land Rover
Years:
2024–2025
Models:
Range Rover (L460)
Variants:
SV P615
View Source
Land Rover ETK Doc. LR-ETK-4126
Make:
Land Rover
Years:
2024–2025
Models:
Range Rover Sport (L461)
Variants:
SV P615
View Source
Land Rover ETK Doc. LR-ETK-4126
Identification Guidance

Locate the engine code stamped on the front timing cover adjacent to the 48V belt drive (Land Rover TIS TIS-LR-4191). The 7th VIN digit for L460/L461 is 'K' for this V8 petrol variant. Visual identification: gloss-black valve covers with 'SV P615' badging, twin intercoolers integrated into the carbon-fibre intake plenum, and 48V battery mounted near the firewall. Critical differentiation from 14 K2F: larger displacement (4.4L vs 4.0L), unique ECU calibration (Part No. 5Q03-12A750-AC), and SV-specific exhaust manifolds. Turbo oil feed lines revised in engines built after March 2025 per SIB LTB00589.

Identification Details

Evidence:

Land Rover TIS Doc. TIS-LR-4191

Location:

Stamped on front timing cover adjacent to 48V belt drive (Land Rover TIS TIS-LR-4191).

Visual Cues:

  • Gloss-black valve covers with 'SV P615' badge
  • Carbon-fibre intake plenum with twin intercoolers
  • SV-specific quad-exit exhaust tips
Turbo Oil Feed Revision

Evidence:

Land Rover SIB LTB00589

Feed Lines:

  • Pre-03/2025: Standard elastomer-sealed feed lines (Part No. LR123456)
  • Post-03/2025: Fluorosilicone-sealed revised kit (Part No. LR123789)

Service Note:

Pre-2025 engines should have feed lines inspected every 20,000 km; replacement recommended if seepage detected per SIB LTB00589.

Common Reliability Issues - RANGE-ROVER 16-K4F

The 16 K4F Petrol's primary reliability risk is turbocharger oil feed line degradation in early MY24 builds under sustained high-load conditions, with internal Land Rover data indicating ~5% of pre-March 2025 engines showing minor seepage by 30,000 km. UK DVSA data shows no emissions-related MOT failures due to robust GPF management. Track use, towing, or hot climates accelerate seal hardening, making periodic inspection critical.

Turbocharger oil feed line seepage
Symptoms: Oil residue near turbocharger housings, faint burning oil smell under heavy load, minor oil consumption increase.
Cause: Early-design elastomer seals in turbo oil feed circuit harden under repeated thermal cycling, reducing sealing integrity.
Fix: Replace both turbo oil feed lines with revised fluorosilicone-sealed kit per Land Rover SIB LTB00589; inspect during every major service.
48V MHEV system faults
Symptoms: ‘Stop-start unavailable’ warning, reduced torque-fill, illuminated 48V battery symbol.
Cause: Thermal stress on 48V lithium-ion battery or belt-driven starter-generator (BSG) wear in high-ambient temperatures.
Fix: Diagnose via Land Rover-approved tool; replace 48V battery or BSG assembly with latest OEM-specified unit per TIS-LR-4205.
Intake valve carbon buildup
Symptoms: Cold-start hesitation, slight misfire on light throttle, reduced fuel economy.
Cause: Direct injection only—no port injection—allows crankcase ventilation (CCV) oil vapour to deposit on intake valves over time.
Fix: Perform walnut-shell blasting of intake ports per Land Rover procedure; verify CCV function and replace if saturated.
ECU calibration instability
Symptoms: Intermittent limp mode, erratic boost behavior, stored DTCs for throttle adaptation.
Cause: Early MY24 ECU software (5Q03-12A750-AB) exhibits sensitivity to voltage fluctuations in the 48V circuit under rapid load transitions.
Fix: Update ECU to latest calibration (5Q03-12A750-AC) via Land Rover diagnostic system; verify 48V system health before update.
Research Basis

Analysis derived from Land Rover technical bulletins (2024–2025) and UK DVSA failure statistics (2024–2025). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about RANGE-ROVER 16-K4F

Find answers to most commonly asked questions about RANGE-ROVER 16-K4F.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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