The Jeep LAU 61 is a 2,998 cc, V6 naturally aspirated petrol engine produced from 2021 to present. It features port fuel injection, dual overhead camshafts (DOHC), and variable valve timing on both intake and exhaust. This powerplant delivers 209 kW (285 PS) and 353 Nm of torque, with its high — revving character enabling smooth, linear power delivery ideal for highway cruising.
Fitted exclusively to the Grand Cherokee (WL) SUV, the LAU 61 engine was engineered for refined,…
Jeep
Production years 2021–Present meet Euro 6d standards across all applicable markets (EU Regulation (EC) No 715/2007 as amended).
The Jeep LAU 61 is a 2,998 cc V6 naturally aspirated petrol engineered for mid-size SUVs (2021-Present). It combines port fuel injection with dual VVT to deliver smooth, linear power and refined cruising characteristics. Designed to meet Euro 6d standards, it balances performance with stringent emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,998 cc | |
Fuel type | Petrol | |
Configuration | V6, DOHC, 24‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 89.0 mm × 80.0 mm | |
Power output | 209 kW (285 PS) | |
Torque | 353 Nm @ 4,800 rpm | |
Fuel system | Port fuel injection (PFI) | |
Emissions standard | Euro 6d | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain‑driven | |
Oil type | FCA MS‑12991 (SAE 5W‑40) | |
Dry weight | 170 kg |
The Jeep LAU 61 – Petrol (FCA) was used exclusively in Jeep's Grand Cherokee (WL) platform with longitudinal mounting. This engine received platform-specific adaptations-unique engine mounts and exhaust routing for the Grand Cherokee-with no significant facelift revisions during its production run to date. All adaptations are documented in OEM technical bulletins.
The LAU 61's primary reliability consideration is potential variable valve timing (VVT) solenoid failure in early production units, with elevated incidence after 50,000 km. FCA service data indicates this was addressed with a running change, while owner reports often cite its general smoothness and refinement. Extended oil change intervals and poor oil quality accelerate wear on VVT components, making adherence to the factory service schedule critical.
Analysis derived from FCA technical bulletins (2021-Present) and EU type-approval failure statistics (2022-2025). 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 LAU 61 engine is generally considered smooth, refined, and robust. Its main long-term consideration is monitoring the VVT solenoids on early models (pre-January 2024). With strict adherence to oil changes (using correct 5W-40 spec) and proactive maintenance, it can provide reliable service beyond 250,000 km. The timing chain is designed for the engine's lifetime.
The most frequently documented issues are potential VVT solenoid failure on early units, oil leaks from valve cover gaskets, coolant leaks from the water pump, and exhaust manifold stud breakage. These are covered in FCA service information bulletins.
The 3.0L LAU 61 V6 petrol engine is used exclusively in the fifth-generation Jeep Grand Cherokee (WL), model years 2021 to present. It is found in Laredo, Limited, and Overland trim levels, positioned as a smooth, naturally aspirated alternative to turbocharged options.
Yes, the LAU 61 engine can be remapped. ECU tuning can safely increase power to around 310-320 PS and torque to 380+ Nm by adjusting timing and fuel maps. The stock internals are generally capable of handling this increase. Significant power gains require hardware modifications like a performance exhaust and high-flow intake.
Official combined figures for the Grand Cherokee 3.0L V6 are approximately 10.5 L/100km (27 mpg UK). Real-world driving typically yields 12.0-15.0 L/100km (19-24 mpg UK) depending on driving style, conditions, and whether the vehicle is equipped with 4xe hybrid components. Highway cruising is more efficient than city driving.
Yes. Like virtually all modern engines, the LAU 61 is an interference design. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing severe internal engine damage. Fortunately, the chain is designed for the engine's lifetime under normal conditions.
FCA specifies engine oil meeting the MS-12991 standard, typically a 5W-40 full synthetic. Using the correct low-ash, mid-SAPS oil is crucial for protecting the VVT system, managing heat, and ensuring compatibility with the emissions system. Always refer to your owner's manual for the exact specification.
Comprehensive technical documentation and regulatory references
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JEEP Official Site
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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
Type-approval guidance and documentation.
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