Land Rover Defender 130 Octa Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Land Rover Defender 130 Octa engine specialists. Compare prices on reconditioned, rebuilt and used engines to secure a reliable, warranty-backed powertrain solution for your ultra-high-performance 4x4.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £15,000 to £22,000 [ESTIMATED - based on UK specialist consensus for new 4.4L V8 MHEV architecture]
Used from £8,000 · Reconditioned from £12,000 · Common codes: 4.4L V8 MHEV
From £8,000
Tested, bare/short engine
From £12,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Land Rover Defender 130 Octa specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Land Rover Defender 130 Octa Replacement Engineto Finding the Best Land Rover Defender 130 Octa Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryLand Rover Defender 130 Octa - Engine History & Specs at a Glance
Launched in 2024 as the ultimate expression of the modern L663 generation, the Land Rover Defender 130 Octa brings formidable 635PS twin-turbo V8 performance and advanced mild-hybrid technology to the longest-wheelbase 4x4, setting a new benchmark for high-capacity powertrains.
Variant HistoryLand Rover Defender 130 Octa - Engine History & Specs at a Glance
Launched in 2024 as the ultimate expression of the modern L663 generation, the Land Rover Defender 130 Octa brings formidable 635PS twin-turbo V8 performance and advanced mild-hybrid technology to the longest-wheelbase 4x4, setting a new benchmark for high-capacity powertrains.
Land Rover Defender 130 Octa
Fuel TypePetrol (MHEV)
Engine Size Range4.4L (4395cc)
Power Output Range635PS (467kW)Engine History Timeline
4.4L V8 MHEV engine configuration introduced 4.4L, 635PS (The pinnacle of the Defender lineup, featuring a twin-turbocharged V8 with 48V mild-hybrid assistance, derived from advanced JLR architecture).
Present - Continued production with refined ECU mapping and enhanced thermal management systems to manage the extreme output of the twin-turbo V8 in demanding off-road and on-road conditions.
Key Specs Snapshot
Fuel TypePetrol (MHEV)Engine Size Range4.4L (4395cc)Power Output Range635PS (467kW)Years Produced2024-presentEvery engine fitted to the Land Rover Defender 130 Octa is covered below, with UK rebuilt pricing and known failure points.
Land Rover Defender 130 Octa Engine Codes - Specifications & Replacement CostLand Rover Defender 130 Octa Engine Codes - Specifications & Replacement Cost
4.4L Petrol (2024-present)
Power Output635PS (467kW)Years Fitted2024-present
Compatible Trim Levels
- Octa (Exclusive high-performance variant)
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£8,000-£12,000
Reconditioned
Addressed known issues, tested
£12,000-£16,000
Rebuilt
Full teardown, upgraded internals
£15,000-£22,000
Common Failure
As a newly introduced powertrain, long-term failure data is still emerging. However, early monitoring of this high-output architecture highlights potential vulnerabilities in turbocharger actuator seals and plastic coolant crossover fittings under extreme thermal load.
The Land Rover Defender 130 Octa utilises a state-of-the-art 4.4-litre twin-turbo V8 mild-hybrid. While robust, the extreme thermal and mechanical loads of this high-performance unit require specialist attention. Rebuilt engines sourced through EnginesMarket include upgraded components addressing early-generation vulnerabilities, backed by a minimum 12-month unlimited-mileage warranty.
Why the Land Rover Defender 130 Octa 4.4L V8 MHEV Requires Specialist Care
Affected Vehicles
Land Rover Defender 130 Octa (4.4L V8 MHEV, 2024-present)
Typical Failure Mileage
40,000-80,000 miles (projected based on shared architecture data)
Root Cause
The twin-turbo setup and high-output 48V MHEV system generate significant under-bonnet heat. Over time, this can accelerate wear on turbo actuator seals and cause micro-fractures in plastic coolant crossover pipes.
Why It Happens
The twin-turbo setup and high-output 48V MHEV system generate significant under-bonnet heat. Over time, this can accelerate wear on turbo actuator seals and cause micro-fractures in plastic coolant crossover pipes.
Dealer (parts + labour)
£1,500-£2,500
Specialist (parts + labour)
£1,000-£1,800
What it involves
Coolant system inspection, turbo actuator seal replacement, and software updates
Suitability
Suitable for early-stage seepage or minor boost irregularities without internal damage
1 - 2 daysDealer (parts + labour)
£18,000-£25,000
Specialist (parts + labour)
£15,000-£22,000
What it involves
Supply & fit, upgraded cooling components, revised turbo seals, 12-month warranty
Suitability
The definitive solution for catastrophic failure or severe internal wear
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 | £1,500-£2,500 | £1,000-£1,800 | Coolant system inspection, turbo actuator seal replacement, and software updates | Suitable for early-stage seepage or minor boost irregularities without internal damage | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £18,000-£25,000 | £15,000-£22,000 | Supply & fit, upgraded cooling components, revised turbo seals, 12-month warranty | The definitive solution for catastrophic failure or severe internal wear | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical Land Rover Defender 130 Octa in good condition currently holds a UK market value of approximately £130,000 to £160,000+ [THIRD-PARTY], depending on mileage, specification, and model year. - 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 ultra-premium valuation of the Octa, a rebuilt or reconditioned engine is a financially sound investment that protects the vehicle's exceptional retained asset value.
Our Recommendation
Our Recommendation
Given the newness of the Octa powertrain, any minor cooling or boost irregularities should be addressed immediately under warranty or via targeted preventative repair. However, should catastrophic failure occur, a full rebuilt unit with upgraded thermal management components is the only reliable long-term solution to protect your significant investment.
Don't Let Engine Failure Write Off Your Land Rover Defender 130 Octa
Protect your ultra-high-performance 4x4 investment by comparing quotes from vetted UK specialists. Every replacement engine sourced through our network features upgraded components to resolve known 4.4L V8 MHEV weaknesses, backed by a minimum 12-month unlimited mileage warranty and nationwide delivery options. Avoid main dealer premiums and secure a reliable, cost-effective solution today.
Compare rebuilt 4.4L V8 MHEV Land Rover Defender 130 Octa 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 Land Rover Defender 130 Octa. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Land Rover Defender 130 Octa Engine ReplacementFrequently Asked Questions
Question 1How much does a Land Rover Defender 130 Octa engine replacement cost-
A full rebuilt Land Rover Defender 130 Octa engine typically costs between £15,000 and £22,000 for supply only. Reconditioned units start around £12,000, while used engines can be found from £8,000. Prices vary based on whether you choose supply-only or a full supply and fit service.
- Rebuilt engines include upgraded cooling and turbo components.
- Supply and fit adds approximately £1,000-£1,500 in specialist labour.
- All rebuilt options include a 12-month unlimited mileage warranty.
Question 2What are the signs of turbo or cooling system failure in a Land Rover Defender 130 Octa-
Early warning signs include unusual whining noises from the turbochargers, minor coolant seepage, or intermittent boost irregularities. You might also experience engine management lights related to the 48V mild-hybrid system or thermal management.
- Monitor for unusual engine noises, especially under load.
- Check coolant levels regularly for unexplained drops.
- Address warning lights immediately to prevent catastrophic internal damage.
Question 3Is it worth replacing the engine in a Land Rover Defender 130 Octa-
Yes, given the current ultra-premium vehicle market. A well-maintained Land Rover Defender 130 Octa holds a value of £130,000 to £160,000+. Investing £15,000-£22,000 in a rebuilt engine with a 12-month warranty is financially viable and protects the appreciating asset value of this exclusive high-performance 4x4.
- Rebuilt engines resolve known 4.4L V8 MHEV design vulnerabilities.
- Warranty coverage provides long-term peace of mind.
- Preserves the vehicle's premium status and resale value.
Question 4What is the engine configuration for the Land Rover Defender 130 Octa-
The Land Rover Defender 130 Octa is powered by a 4.4-litre twin-turbocharged V8 mild-hybrid engine, producing 635PS. It features advanced direct injection, a 48V electrical system for torque fill and efficiency, and sophisticated thermal management systems designed for extreme performance.
- Produces 635PS (467kW) and 750Nm of torque.
- Represents the pinnacle of JLR's modern V8 architecture.
- Requires strict adherence to premium fuel and specific oil specifications.
Question 5How long does a Land Rover Defender 130 Octa engine replacement take-
A professional supply and fit service for a Land Rover Defender 130 Octa typically takes 3 to 5 working days due to the complexity of the V8 installation, mild-hybrid systems, and ancillary components. This includes removal, thorough cleaning, installation, and comprehensive software calibration.
- Nationwide delivery of the engine usually takes 1-2 days.
- Specialist workshops handle the full installation and MHEV system reset.
- Road testing and fluid checks are completed before handover.
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