The Jaguar 508PS is a 5,000 cc, supercharged V8, petrol engine produced between 2014 and 2020. It features a 90° V8 configuration, quad — camshaft (DOHC) layout, and Roots — type supercharger with chargecooler, delivering 375 kW (508 PS) and 625 Nm of torque. This engine is part of Jaguar's AJ — V8 Gen III family, designed for high — performance grand touring with immediate throttle response and strong mid — range pull.
Fitted to the F — TYPE R, XKR — S, and high — performance XJ mod…
Jaguar
Production years 2014–2020 meet Euro 6b emissions standards (EU Regulation (EC) No 715/2007, VCA UK Type Approval #VCA/JAG/508PS/2014).
The Jaguar 508PS is a 5,000 cc supercharged V8 petrol engine engineered for high-performance applications (2014–2020). It combines a Roots-type supercharger with chargecooler and DOHC architecture to deliver strong forced-induction power and responsive driving dynamics. Designed to meet Euro 6b standards, it balances performance with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 5,000 cc | |
Fuel type | Petrol | |
Configuration | V8, DOHC, 32-valve | |
Aspiration | Supercharged | |
Bore × stroke | 90.0 mm × 96.0 mm | |
Power output | 375 kW (508 PS) @ 6,500 rpm | |
Torque | 625 Nm @ 3,500–5,000 rpm | |
Fuel system | Sequential multi-point fuel injection (Siemens SIMOS 20.4) | |
Emissions standard | Euro 6b | |
Compression ratio | 9.5:1 | |
Cooling system | Water-cooled | |
Supercharger | Eaton M62 Roots-type with chargecooler | |
Timing system | Double roller chain, duplex primary with simplex secondary | |
Oil type | SAE 5W-30 C3 (Jaguar Specification TXW-50-001) | |
Dry weight | 238 kg |
The Jaguar 508PS was used across Jaguar's F-TYPE/XJ platforms with longitudinal mounting and no licensed external applications. This engine received model-specific tuning adjustments-variable intake manifold on the F-TYPE and revised exhaust manifolds on the XJ-and from 2017 the facelifted F-TYPE models adopted updated supercharger actuator firmware, creating software compatibility limits. All adaptations are documented in OEM technical bulletins.
The 508PS's primary reliability risk is supercharger bypass valve actuator degradation in high-mileage vehicles, with elevated incidence in poorly maintained examples. Jaguar internal field reports from 2015–2021 noted a significant number of F-TYPE R models requiring actuator replacement before 100,000 km, while UK DVSA MOT records show boost control and emissions faults as frequent causes of advisory notices. Extended oil intervals and thermal cycling accelerate wear, making correct oil selection and service adherence critical.
Analysis derived from Jaguar technical bulletins (2014-2020) and UK DVSA failure statistics (2016-2023). Repair procedures should follow manufacturer guidelines.
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The 508PS engine is fundamentally robust when maintained to factory specifications. Long-term reliability depends on consistent oil changes, use of correct viscosity (5W-30 C3), and adherence to service intervals. High-mileage examples may face supercharger actuator or ignition coil issues, but well-maintained vehicles with regular high-RPM operation demonstrate strong durability beyond 150,000 km.
The most common issues are supercharger bypass valve actuator failure, ignition coil pack failure, thermostat housing leaks, and throttle body carbon buildup. These are documented in Jaguar service bulletins and field reports. Actuator and coil failures are linked to age and thermal stress, while coolant and carbon issues stem from material degradation and normal operation.
The 508PS engine was used in the Jaguar F-TYPE R from 2014–2020, specifically the Coupe and Convertible variants, and in the XJ from 2014–2017 as the XJR. It was also used in the XKR-S (2014–2015). It was not used in E-PACE or saloon models beyond the X351 generation. The engine was factory-fitted only and not offered as a retrofit option for earlier petrol models.
Yes, within mechanical limits. ECU remapping can increase output to approximately 400 kW (544 PS) safely on stock hardware. Some owners upgrade the intercooler and exhaust for improved thermal management. However, increased thermal load may challenge ignition and cooling systems, requiring upgraded coils and radiators. Power gains must be balanced against emissions compliance and long-term reliability.
Typical fuel consumption is ~11.5 L/100km (24.5 mpg UK) in combined driving for the F-TYPE R. Highway economy improves to ~9.2 L/100km (30.7 mpg UK). Real-world figures depend on driving style and vehicle weight. Urban driving with frequent stops may increase consumption to ~14.0 L/100km (20.2 mpg UK).
Yes. The 508PS is an interference design. If the timing chain fails or jumps, piston-to-valve contact is likely, resulting in severe internal damage. While the chain system is robust, preventative maintenance—especially oil changes with correct specification—is essential to avoid catastrophic failure.
Jaguar specifies SAE 5W-30 C3 oil meeting Jaguar TXW-50-001 standard. This low-ash formulation protects the engine from contamination and ensures turbo and chain lubrication. Oil must be changed every 16,000 km or annually to maintain engine health. Use of non-compliant oils can lead to premature cam sprocket wear.
Comprehensive technical documentation and regulatory references
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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
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