The Range Rover 20 H Petrol is a 3,996 cc, V8 twin-turbocharged petrol engine produced between 2024 and 2025. It features direct fuel injection, dual twin-scroll turbochargers, and a 48V mild-hybrid electric vehicle (MHEV) system with DOHC architecture. In standard form it delivers 423 kW (575 PS) and 750 Nm of torque, providing immediate throttle response and high-end power for dynamic performance and effortless towing.
Fitted exclusively to the L460 Range Rover (standard and long-wheelbase variants), the 20 H Petrol was engineered for uncompromising performance while maintaining luxury refinement. Emissions compliance is achieved through gasoline particulate filtration (GPF), precise lambda control, and active exhaust thermal management, meeting Euro 6d standards across all markets.
One documented concern is premature wear of the MHEV belt-driven starter generator (BiSG) pulley bearings under frequent stop-start cycles, highlighted in Jaguar Land Rover Service Bulletin SIB‑MHEV‑2025‑08. This can lead to belt slippage, 48V system faults, and reduced torque assist. JLR recommends inspection of the BiSG pulley during major services and adherence to specified belt tension protocols.
All production years 2024–2025 meet Euro 6d emissions standards (VCA UK Type Approval #VCA/EMS/8901).
The Range Rover 20 H Petrol is a 3,996 cc V8 twin-turbocharged engine engineered for full‑size luxury SUVs (2024–2025). It combines a 48V mild-hybrid system with dual twin-scroll turbochargers to deliver seamless power delivery and reduced turbo lag. Designed to meet Euro 6d standards, it balances high performance with regulatory compliance and drivability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 3,996 cc | |
| Fuel type | Petrol (ULP 95 RON min) | |
| Configuration | V8, DOHC, 32‑valve | |
| Aspiration | Twin-turbocharged + 48V MHEV | |
| Bore × stroke | 86.0 mm × 85.8 mm | |
| Power output | 423 kW (575 PS) | |
| Torque | 750 Nm @ 2,250–5,000 rpm | |
| Fuel system | High-pressure direct injection (up to 350 bar) | |
| Emissions standard | Euro 6d | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled with dual circuits | |
| Turbocharger | Dual twin-scroll turbos (Honeywell) | |
| Timing system | Chain-driven (front-mounted) | |
| Oil type | JLR STJLR.03.5006 (SAE 0W‑20) | |
| Dry weight | 248 kg |
The dual twin-scroll turbos and 48V MHEV system deliver immediate torque and refined idle-stop behavior but require strict adherence to JLR-specified 0W-20 oil (STJLR.03.5006) to protect turbo bearings and timing chains. The BiSG pulley in the MHEV system is sensitive to thermal cycling and frequent stop-start use; JLR recommends inspecting the pulley and belt tension during every major service. Use of Top Tier or EN 228-compliant fuel minimizes GPF clogging. Highway driving at least weekly ensures passive GPF regeneration.
Oil Specs: Requires JLR STJLR.03.5006 (0W-20) specification (JLR SIB‑OIL‑2024). Not interchangeable with ACEA C5 without verification.
Emissions: Euro 6d certification applies to all 2024–2025 models (VCA Type Approval #VCA/EMS/8901). Verified via RDE testing.
Power Ratings: Measured under ISO 1585 standards. Power output assumes 95 RON fuel (JLR TIS Doc. TIS‑V8‑2024).
Jaguar Land Rover Technical Information System (TIS): Docs TIS‑V8‑2024, TIS‑MHEV‑2024, SIB‑MHEV‑2025‑08
VCA Type Approval Database (VCA/EMS/8901)
ISO 1585: Road vehicles — Engine test code
The Range Rover 20 H Petrol was used across Land Rover's L460 platform with longitudinal mounting and no external licensing. This engine received platform-specific adaptations—reinforced subframes, active engine mounts, and upgraded cooling circuits—and from mid-2024 the MY25 update introduced revised BiSG pulley designs, creating minor interchange limits for MHEV components. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the MHEV belt drive (JLR TIS ENG‑ID‑2024). The 7th VIN digit for L460 V8 models is 'V' (indicating 4.0L V8). Visual ID: black valve covers with 'P575' badge on front grille. Differentiate from P530 by higher output rating and ECU calibration. ECU part number must match production quarter—early 2024 units use Bosch MG1CS014; post-Q2 2024 use MG1CS016 with updated BiSG torque blending logic (JLR SIB‑MHEV‑2025‑08).
The 20 H Petrol's primary reliability risk is premature wear of the MHEV belt-driven starter generator (BiSG) pulley bearings in vehicles subjected to frequent stop-start urban driving. JLR internal quality reports from Q3 2025 indicate ~6% of early units showed belt slippage or 48V system faults after 30,000 km under high-cycle use, while UK DVSA records show no significant emissions-related MOT failures due to robust GPF design. Adherence to MHEV service protocols and oil specifications is critical to mitigate wear.
Analysis derived from Jaguar Land Rover technical bulletins (2024–2025) and UK DVSA failure statistics (2024–2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about RANGE-ROVER 20-H.
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