Honda Accord Hybrid iMMD Engine Replacement - Compare Prices & Get Quotes
Get quotes today from trusted UK Honda Accord Hybrid i-MMD engine specialists. Compare prices on reconditioned, rebuilt and used engines to secure a precision-engineered performance replacement for your vehicle.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From H4 - from £2,500 to £4,500 [ESTIMATED - using Honda hybrid powertrain proxy]
Used from £1,200 · Reconditioned from £2,500 · Common codes: LFA-H4
From £1,200
Tested, bare/short engine
From £2,500
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Honda Accord Hybrid i-MMD specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Honda Accord Hybrid i-MMD Replacement Engineto Finding the Best Honda Accord Hybrid i-MMD Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryHonda Accord Hybrid i-MMD - Engine History & Specs at a Glance
When the Hybrid i-MMD (Intelligent Multi-Mode Drive) was introduced to the Honda Accord lineup, it brought advanced electrification to the executive saloon, combining a highly efficient Atkinson-cycle petrol engine with dual electric motors for seamless, responsive performance.
Variant HistoryHonda Accord Hybrid i-MMD - Engine History & Specs at a Glance
When the Hybrid i-MMD (Intelligent Multi-Mode Drive) was introduced to the Honda Accord lineup, it brought advanced electrification to the executive saloon, combining a highly efficient Atkinson-cycle petrol engine with dual electric motors for seamless, responsive performance.
Honda Accord Hybrid i-MMD
Fuel TypePetrol / Electric Hybrid
Engine Size Range2.0L
Power Output Range215 PS (combined system output)Engine History Timeline
LFA-H4 (215 PS combined) introduced in the 10th generation Honda Accord Hybrid replacing the previous generation's hybrid system with a more robust, direct-drive focused i-MMD architecture.
Minor software and emissions refinements to the i-MMD system maintaining the LFA-H4 powertrain as the sole hybrid offering until the model's eventual discontinuation in the UK market.
Key Specs Snapshot
Fuel TypePetrol / Electric HybridEngine Size Range2.0LPower Output Range215 PS (combined system output)Years Produced2018-2022Every engine fitted to the Honda Accord Hybrid i-MMD is covered below, with UK rebuilt pricing and known failure points.
Honda Accord Hybrid i-MMD Engine Codes - Specifications & Replacement CostHonda Accord Hybrid i-MMD Engine Codes - Specifications & Replacement Cost
2.0L Petrol Hybrid (2018-2022)
Power Output215 PS (combined)Years Fitted2018-2022
Compatible Trim Levels
- EX
- Executive
- Touring
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£1,200-£2,000 [ESTIMATED - using Honda hybrid powertrain proxy]
Reconditioned
Addressed known issues, tested
£2,500-£3,800 [ESTIMATED - using Honda hybrid powertrain proxy]
Rebuilt
Full teardown, upgraded internals
£3,500-£5,000 [ESTIMATED - using Honda hybrid powertrain proxy]
Common Failure
Inverter cooling system leaks and occasional high-voltage battery cell degradation, though the LFA-H4 mechanical engine block itself is highly robust and rarely suffers catastrophic internal failure.
The Honda Accord Hybrid i-MMD is renowned for its reliability, but the complexity of its dual-motor and inverter system introduces specific failure points. The LFA-H4 code dominates replacement demand for this variant. Rebuilt engines through EnginesMarket include upgraded components addressing the original failure point, plus a minimum 12-month unlimited-mileage warranty.
Affected Vehicles
Honda Accord Hybrid i-MMD (LFA-H4, 2018-2022)
Typical Failure Mileage
80,000-120,000 miles
Root Cause
The inverter coolant pump or associated seals can degrade over time, leading to coolant ingress or overheating of the power control unit (PCU). If ignored, this may trigger hybrid system shutdowns or require full powertrain replacement.
Why It Happens
The inverter coolant pump or associated seals can degrade over time, leading to coolant ingress or overheating of the power control unit (PCU). If ignored, this may trigger hybrid system shutdowns or require full powertrain replacement.
Dealer (parts + labour)
£800-£1,500
Specialist (parts + labour)
£500-£1,000
What it involves
Inverter coolant pump replacement and full system flush.
Suitability
Suitable if caught early before the PCU or battery modules sustain heat damage.
1 - 2 daysDealer (parts + labour)
£5,000-£7,000+
Specialist (parts + labour)
£3,500-£5,000
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
Necessary if the PCU has failed or severe hybrid system degradation has occurred.
1 - 2 daysAll prices are indicative UK market ranges based on current UK specialist supplier data.| Repair Tier | Dealer (Parts + Labour) | Specialist (Parts + Labour) | What It Involves | Suitability | Estimated Time |
|---|---|---|---|---|---|
 Minor/Preventative Minor | £800-£1,500 | £500-£1,000 | Inverter coolant pump replacement and full system flush. | Suitable if caught early before the PCU or battery modules sustain heat damage. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £5,000-£7,000+ | £3,500-£5,000 | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | Necessary if the PCU has failed or severe hybrid system degradation has occurred. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Honda Accord Hybrid i-MMD (2018-2022) is currently valued between £12,000 and £22,000 [THIRD-PARTY]. - Vehicle worth under ~£5,000: repair or used engine typically makes more sense than a full rebuilt unit. - Vehicle worth ~£5,000-£8,000: evaluate both; reconditioned is viable if keeping the car 2+ years. - Vehicle worth ~£8,000-£15,000: reconditioned/rebuilt usually justifies the premium via warranty and reliability. - Vehicle worth £15,000+: replacement cost is typically small relative to vehicle value. Given the Accord Hybrid's strong retained value, a full rebuilt replacement (£3,500-£5,000) represents a highly viable and financially sound investment to preserve the car's performance and resale value.
Our Recommendation
Our Recommendation
For a Honda Accord Hybrid i-MMD showing early inverter cooling warnings, targeted component repair is the most financially sensible route. However, if the vehicle has suffered catastrophic PCU failure or severe hybrid system degradation, a reconditioned or rebuilt LFA-H4 unit is the most reliable long-term solution to protect your investment.
Don't Let Hybrid Failure Write Off Your Honda Accord Hybrid i-MMD
Ignoring inverter cooling warnings or hybrid system faults can quickly turn a manageable repair into a catastrophic powertrain failure. By comparing quotes through EnginesMarket, you secure a rebuilt or reconditioned Honda Accord Hybrid i-MMD engine with upgraded components, a minimum 12-month unlimited-mileage warranty, and nationwide delivery-often at a fraction of the main dealer's replacement premium.
Compare rebuilt LFA-H4 Honda Accord Hybrid i-MMD engine prices
12-Month Minimum
UK Specialists Vetted
Best Price GuidanceImportant Information
Important Information
"All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EnginesMarket's UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific Honda Accord Hybrid i-MMD. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Honda Accord Hybrid i-MMD Engine ReplacementFrequently Asked Questions
Question 1How much does a Honda Accord Hybrid i-MMD engine replacement cost-
A full rebuilt or reconditioned Honda Accord Hybrid i-MMD engine typically costs between £2,500 and £4,500, including supply and fit.
- Rebuilt units include upgraded hybrid components and a 12-month warranty.
- Main dealers often charge £5,000-£7,000+ for the same replacement.
- Used engines are a budget alternative, starting from around £1,200.
Question 2What are the common signs of hybrid system failure in a Honda Accord Hybrid i-MMD-
Early detection of hybrid faults can prevent catastrophic damage to your Honda Accord Hybrid i-MMD powertrain.
- Illumination of the "Check Hybrid System" or engine management warning light.
- The vehicle entering "limp mode" or losing power during acceleration.
- Unusual whining noises from the inverter or visible coolant leaks beneath the vehicle.
Question 3Is it worth replacing the engine in a Honda Accord Hybrid i-MMD-
Yes, absolutely. The Honda Accord Hybrid retains exceptionally strong market values, typically ranging from £12,000 to £22,000.
- A full rebuilt engine replacement (£3,500-£5,000) represents a small fraction of the vehicle's total worth.
- Investing in a warrantied, reconditioned unit preserves the car's performance and resale value far better than a cheap, unverified used engine.
Question 4How long does a Honda Accord Hybrid i-MMD engine replacement take-
A standard Honda Accord Hybrid i-MMD engine swap typically takes 5 to 7 working days.
- This includes sourcing the correct LFA-H4 hybrid powertrain unit.
- Nationwide delivery to your chosen specialist.
- Physical installation, hybrid system calibration, fluid top-up, and comprehensive road testing.
Question 5What is the difference between the LFA-H4 and standard Accord engines-
The LFA-H4 is a dedicated hybrid powertrain specific to the Accord i-MMD, combining a 2.0L Atkinson-cycle petrol engine with dual electric motors and a power control unit (PCU).
- Unlike standard K-series or R-series petrol engines, the LFA-H4 is designed for seamless electric-to-petrol transitions.
- It requires specialist hybrid diagnostic equipment and calibrated replacement units to ensure the high-voltage systems communicate correctly with the vehicle's ECU.
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