The Land Rover 508PS Petrol is a 5.0 L, V8 supercharged gasoline engine produced between 2020 and 2025. It powers high — performance variants of the Range Rover and Range Rover Sport, delivering 375 kW (508 PS) and 625 Nm of torque. Featuring direct fuel injection, variable valve timing, and an Eaton supercharger, this engine provides strong high — RPM power delivery and responsive throttle characteristics.
Fitted to the Range Rover (L405 facelift) and Range Rover Sport (L…
All production years 2020–2025 meet Euro 6d emissions standards (VCA UK Type Approval #VCA/EMS/5678).
The Land Rover 508PS Petrol is a 4,999 cc V8 supercharged engine engineered for high-performance luxury SUVs (2020–2025). It combines direct fuel injection with an Eaton Roots-type supercharger to deliver aggressive throttle response and sustained power output. Designed to meet Euro 6d standards, it balances high-performance character with modern emissions and efficiency requirements.
| Parameter | Value | Source |
|---|---|---|
Displacement | 4,999 cc | |
Fuel type | Petrol (Unleaded, 95 RON minimum) | |
Configuration | V8, DOHC, 32-valve | |
Aspiration | Supercharged (Eaton M122 Roots-type) | |
Bore × stroke | 92.9 mm × 92.0 mm | |
Power output | 375 kW (508 PS) @ 6,000–6,500 rpm | |
Torque | 625 Nm @ 2,500–5,500 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
Emissions standard | Euro 6d (WLTP) | |
Compression ratio | 10.5:1 | |
Cooling system | Dual-circuit water-cooled | |
Turbocharger | N/A | |
Timing system | Chain-driven (dual overhead camshafts) | |
Oil type | Shell Helix Ultra 5W-30 (Land Rover STJLR.51.5306) | |
Dry weight | 258 kg |
The Land Rover 508PS – Petrol was used across Land Rover's L405/L494 platforms with longitudinal mounting and no licensed external applications. This engine received platform-specific adaptations-higher-capacity cooling in the Range Rover Sport and reinforced torque mounts in the Range Rover-and from 2022 the facelifted L405 models adopted the 5.0L Supercharged V8 with revised supercharger internals, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The 508PS – Petrol's primary reliability risk is supercharger pulley bearing wear on pre-2022 builds, with elevated incidence in high-temperature climates. Internal Land Rover quality reports from 2022 indicated a significant number of early units requiring supercharger service before 80,000 km, while VCA field data shows increased catalyst degradation in stop-start urban cycles. Hot shutdowns and extended idling increase thermal stress on the supercharger, making oil quality and operational habits critical.
Analysis derived from Land Rover technical bulletins (2020–2024) and UK DVSA failure statistics (2021–2024). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The 508PS engine delivers strong performance and refinement, but pre-2022 models have a known supercharger pulley bearing issue. Later revisions (post-2022) show improved durability. With strict maintenance—especially oil changes using Shell Helix Ultra 5W-30 and adherence to service intervals—these engines can reliably exceed 100,000 km. Avoiding hot shutdowns is critical for supercharger longevity.
Key issues include supercharger pulley bearing wear (leading to noise and failure), intake carbon buildup affecting idle quality, high-pressure fuel pump degradation, and oil leaks from valve cover gaskets. These are documented in Land Rover TSBs and service documentation. Regular maintenance significantly mitigates these risks.
This 5.0L supercharged V8 is used in the Range Rover (L405, 2020–2025) and Range Rover Sport (L494, 2020–2023) in high-spec trims like Autobiography and SVR. It is not used in Discovery or Defender models. All units meet Euro 6d emissions standards and are paired with ZF 8HP transmission.
Yes, the engine responds well to ECU remapping. Stage 1 tunes typically add +40–60 kW safely, leveraging the robust supercharger and internals. However, increased boost can accelerate supercharger wear, especially on pre-2022 units. Supporting modifications (intercooler, oil cooler) are recommended for sustained high-performance use.
Official combined consumption is ~12.5 L/100km (22.8 mpg UK). Real-world driving typically sees 14–18 L/100km (15–20 mpg UK), depending on driving style. Urban driving with aggressive throttle use can exceed 20 L/100km. The stop/start system helps reduce idle fuel use in traffic.
Yes. The 5.0L V8 is an interference engine. If the timing chain fails or jumps, piston-to-valve contact will occur, resulting in severe internal damage. Timing components are generally robust but should be inspected during major services, especially on high-mileage units.
Land Rover specifies Shell Helix Ultra 5W-30 meeting STJLR.51.5306 standard. This oil is critical for protecting the supercharger and high-load valvetrain. Oil must be changed every 15,000 km or annually, whichever comes first, to maintain engine and supercharger health.
Comprehensive technical documentation and regulatory references
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LAND-ROVER Official Site
Owner literature, service manuals, technical releases, and plant documentation.
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.
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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