Kia Niro 1.6 PHEV SPECIALISTS

Kia Niro 1.6 PHEV Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Kia Niro 1.6 PHEV engine specialists and compare prices on reconditioned, rebuilt and used engines.

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Kia Niro 1.6 PHEV Engine

from£2,400 to £4,000...

Usedfrom £1,800
Reconditionedfrom £2,400
Common codesG4LE

Kia niroUsed Engine — G4LE

Kia niro 1.6 PHEV Reconditioned Engine — G4LE

Kia niroReconditioned Engine — G4LE

Kia niroRebuilt Engine — G4LE

Instant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide NetworkInstant QuotesNo Obligation100% FreeReconditionedRebuiltUsedSupply & Fit AvailableUK-Wide Network

How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Kia Niro 1.6 PHEV Engine History & Specs at a Glance

When the 1.6 PHEV launched in the Kia Niro lineup, it introduced a plug-in hybrid powertrain combining the 1.6-litre Kappa II GDI petrol engine with an electric motor, delivering extended electric-only range and lower emissions for urban commuting.

2017
G4LE PHEV (1.6L, 139hp combined) introduced to the first-generation Kia Niro (DE), featuring a larger battery pack and enhanced thermal management for extended EV range.
2022
G4LE PHEV carried over to the second-generation Kia Niro (SG2) with refined hybrid control modules, improved DC charging support, and updated cooling system components.

Every engine fitted to the Kia Niro 1.6 PHEV is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Kia Niro 1.6 PHEV Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

G4LE — 1.6L Plug-in Hybrid Petrol (2017-present)

Power Output: 139hp (combined system output)
Years Fitted: 2017-present

Can’t find your exact engine code?-> Get quotes for G4LE Kia Niro 1.6 PHEV engine replacement

-> Get quotes for G4LE Kia Niro 1.6 PHEV engine replacement

Common Problems

Kia Niro 1.6 PHEV Engine Problems Repair Cost vs Replacement

The G4LE 1.6-litre Kappa II hybrid powertrain dominating the Kia Niro 1.6 PHEV delivers strong efficiency, but long-term ownership is frequently impacted by EHRS valve failures, DCT mechatronic calibration drift, and high-voltage cooling system leaks. These issues dominate UK replacement enquiries, particularly on high-mileage company car examples. Every rebuilt engine supplied through our network features upgraded internal components specifically engineered to address these original failure points, backed by a minimum 12-month unlimited mileage warranty.

Common failure points and repair options

Kia Niro 1.6 PHEV EHRS Valve & Cooling System Failure

Affected: Kia Niro 1.6 PHEV (G4LE, 2017-present)
Typical failure mileage: 70,000-110,000 miles

Root cause

The Electronic Heat Recovery System (EHRS) valve can fail, disrupting thermal management for the hybrid battery and engine. Combined with high-voltage cooling system leaks, this leads to hybrid system faults, reduced EV range, and potential engine overheating if ignored.

Repair options

Repair tier	Dealer price	Specialist price
Minor - EHRS Valve Replacement & System Flush	£1,200-£1,800	£750-£1,200
Full Replacement - Rebuilt G4LE PHEV Engine	£3,800-£5,200	£2,600-£4,000

Our recommendation

For Niro 1.6 PHEV owners noticing hybrid warning lights or reduced EV range between 70k-90k miles, a professional EHRS valve replacement and cooling system flush is highly cost-effective. However, if the engine has suffered thermal damage, persistent misfire codes, or significant compression loss, the damage has likely progressed beyond component repair. At that stage, a rebuilt unit with redesigned intake and cooling components offers far better long-term value than repeated patch repairs.

-> Compare rebuilt G4LE Kia Niro 1.6 PHEV engine prices today

Don't Let Engine Failure Write Off Your Kia Niro 1.6 PHEV

Hybrid engine failures on the Kia Niro rarely happen without warning, but waiting too long turns manageable maintenance into catastrophic repair bills. Whether you're dealing with EHRS valve failure, DCT calibration drift, or cooling system leaks, our network of vetted UK specialists provides transparent, like-for-like replacement options tailored to your exact G4LE variant. Every rebuilt engine arrives with upgraded weak-point components, full bench testing, and a minimum 12-month unlimited mileage warranty, delivered and fitted nationwide. Stop comparing isolated repair quotes and secure a complete, warrantied powertrain solution at a fraction of main dealer pricing.

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FAQ

Kia Niro 1.6 PHEV Engine ReplacementFrequently Asked Questions

Everything Kia Niro 1.6 PHEV owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A reconditioned Kia Niro 1.6 PHEV G4LE engine typically costs £2,400-£4,000 supply-only in the UK, depending on variant, mileage and supplier. Rebuilt units with upgraded components addressing EHRS and cooling issues command the higher end. Supply & fit adds £450-£850 labour. Always request a hybrid system diagnostic report before purchase.

Reconditioned G4LE PHEV engines range £2,400-£4,000 supply-only UK
Supply & fit labour typically adds £450-£850 to engine price
Rebuilt units with upgraded components cost more but last longer
Always request hybrid diagnostic and compression reports before committing

-> Compare Kia Niro 1.6 PHEV engine prices from UK specialists today

The G4LE PHEV engine is prone to EHRS valve failure and high-voltage cooling system leaks. Watch for early warning signs before catastrophic hybrid system shutdown.

Hybrid system warning lights or reduced electric-only range
Unexplained coolant loss or overheating warnings during EV mode
Rough idle or engine running constantly to compensate for battery thermal faults

-> Compare specialist quotes to fix your Kia Niro 1.6 PHEV cooling issues

Yes, the modern Kia Niro 1.6 PHEV market holds its value well, making a full engine replacement a financially sound decision compared to parting out.

Modern 1.6 PHEV models regularly sell for £8,000 to £18,000+
A £2,600-£4,000 rebuilt engine preserves the vehicle's drivability, hybrid efficiency, and market value
Factor in remaining MOT duration and upcoming major services when weighing the decision

-> Check current Kia Niro 1.6 PHEV replacement costs

Because the G4LE is a complex plug-in hybrid powertrain, a specialist workshop requires hybrid-trained technicians and specific Kia diagnostic tools.

Engine removal, high-voltage system isolation, and refitting usually takes 10 to 14 hours of labour
Total workshop turnaround is typically 3 to 5 working days, including ECU coding and hybrid system calibration

-> Find a local specialist for your Kia Niro 1.6 PHEV

While both use the G4LE 1.6L Kappa II engine, the PHEV variant features different ECU calibration, an enhanced EHRS cooling system for frequent electric-mode cycling, and compatibility with a larger high-voltage battery pack. Swapping between HEV and PHEV G4LE units requires specialist recalibration to maintain hybrid system efficiency and avoid fault codes.

Both HEV and PHEV Niro models use the G4LE 1.6L Kappa II engine
PHEV G4LE has enhanced cooling for frequent electric-mode engagement cycles
ECU calibration differs significantly between HEV and PHEV G4LE variants
Specialist recalibration is required when replacing a PHEV unit to maintain efficiency

-> Enquire about the correct G4LE variant for your Kia Niro PHEV

Why Choose Us

Compare Kia Niro 1.6 PHEV Engine Prices Today

Comparing quotes for your Kia Niro 1.6 PHEV is completely free, no-obligation, and tailored to your exact chassis and G4LE engine code. Skip the main dealer premiums and connect directly with vetted hybrid-trained Kia specialists who understand the 1.6L plug-in hybrid architecture inside out.

100+100+ Kia Niro 1.6 PHEV engines supplied through our network

12-Month12-Month Warranty on every rebuilt G4LE PHEV engine

NationwideNationwide UK delivery

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Compare quotes from trusted UK Kia Niro 1.6 PHEV engine specialists with warranty-backed rebuilt, reconditioned and used options nationwide.