Range Rover P615 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Range Rover P615 engine specialists and compare prices on reconditioned, rebuilt and used engines.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
From £28,000 to £45,000 [ESTIMATED - using BMW S68 family as proxy]
Used from £15,000 · Reconditioned from £22,000 · Common codes: S68B44B
From £15,000
Tested, bare/short engine
From £22,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
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3 Simple Steps3 Simple Stepsto Finding the Best Range Rover P615 Replacement Engineto Finding the Best Range Rover P615 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryRange Rover P615 - Engine History & Specs at a Glance
When the P615 launched in the new L460 Range Rover SV lineup, it introduced a state-of-the-art 4.4-litre twin-turbo V8 mild-hybrid architecture, delivering 615PS and uncompromising flagship performance with enhanced efficiency.
Variant HistoryRange Rover P615 - Engine History & Specs at a Glance
When the P615 launched in the new L460 Range Rover SV lineup, it introduced a state-of-the-art 4.4-litre twin-turbo V8 mild-hybrid architecture, delivering 615PS and uncompromising flagship performance with enhanced efficiency.
Range Rover P615
Fuel TypePetrol (Mild Hybrid)
Engine Size Range4.4L (4395cc)
Power Output Range615PS (606hp / 452kW)Engine History Timeline
S68B44B (4.4L V8 Twin-Turbo MHEV 615PS) introduced to the Range Rover L460 SV, replacing the older 5.0L supercharged V8 and featuring a 48-volt mild-hybrid system for improved throttle response and emissions compliance.
Present - Continuous software refinements to the twin-turbo calibration and 48V MHEV integration maintaining its position as the ultimate performance powertrain for the Range Rover lineup.
Key Specs Snapshot
Fuel TypePetrol (Mild Hybrid)Engine Size Range4.4L (4395cc)Power Output Range615PS (606hp / 452kW)Years Produced2022-presentEvery engine fitted to the Range Rover P615 is covered below, with UK rebuilt pricing and known failure points.
Range Rover P615 Engine Codes - Specifications & Replacement CostRange Rover P615 Engine Codes - Specifications & Replacement Cost
4.4L Petrol MHEV (2022-present)
Power Output615PS (606hp)Years Fitted2022-present
Compatible Trim Levels
- Range Rover SV
- Range Rover SV Serenity
- Range Rover SV Intrepid
- Range Rover SV Black
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£15,000-£25,000
Reconditioned
Addressed known issues, tested
£22,000-£35,000
Rebuilt
Full teardown, upgraded internals
£28,000-£45,000
Common Failure
Coolant leaks from plastic expansion tanks and occasional 48V mild-hybrid system electrical integration faults are commonly reported. Typical failure mileage ranges from 40,000 to 80,000 miles, though early thermal stress can accelerate component degradation.
The S68B44B engine dominating the Range Rover P615 is a highly advanced, flagship powertrain, but its complex twin-turbo and 48V mild-hybrid architecture is susceptible to specific thermal and electrical stresses. Rebuilt S68B44B engines through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Range Rover P615 S68B44B Requires Specialist Attention
Affected Vehicles
Range Rover P615 (S68B44B, 2022-present)
Typical Failure Mileage
40,000-80,000 miles
Root Cause
The twin-turbo V8 generates significant under-bonnet heat, accelerating the degradation of plastic coolant components. Concurrently, the complex 48V mild-hybrid system can experience sensor or integration faults, leading to warning lights or limp mode.
Why It Happens
The twin-turbo V8 generates significant under-bonnet heat, accelerating the degradation of plastic coolant components. Concurrently, the complex 48V mild-hybrid system can experience sensor or integration faults, leading to warning lights or limp mode.
Dealer (parts + labour)
£1,500-£3,000
Specialist (parts + labour)
£1,000-£2,000
What it involves
Replacing plastic coolant expansion tanks, hoses, and applying the latest JLR 48V MHEV software updates.
Suitability
Highly cost-effective if caught early and the engine block shows no signs of overheating damage.
1 - 2 daysDealer (parts + labour)
£35,000-£50,000+
Specialist (parts + labour)
£28,000-£45,000
What it involves
Supply & fit of a fully rebuilt S68B44B with revised cooling components, verified turbochargers, and a 12-month warranty.
Suitability
The right call if the engine has suffered severe overheating, head warping, or catastrophic internal damage.
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 (Coolant Refresh & Software) Minor | £1,500-£3,000 | £1,000-£2,000 | Replacing plastic coolant expansion tanks, hoses, and applying the latest JLR 48V MHEV software updates. | Highly cost-effective if caught early and the engine block shows no signs of overheating damage. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £35,000-£50,000+ | £28,000-£45,000 | Supply & fit of a fully rebuilt S68B44B with revised cooling components, verified turbochargers, and a 12-month warranty. | The right call if the engine has suffered severe overheating, head warping, or catastrophic internal damage. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
Modern Range Rover L460 P615 SV values typically range from £150,000 to £250,000+ depending on specification, bespoke options, and mileage [THIRD-PARTY]. Because the vehicle worth is well above £15,000, a £28,000-£45,000 rebuilt engine replacement cost is typically small relative to the vehicle value ( Safe). Replacing the engine preserves the vehicle's usability and high collector market value.
Our Recommendation
Our Recommendation
If your Range Rover P615 is only showing early signs of coolant weeping or minor 48V system warnings but has strong oil pressure and no overheating history, a specialist cooling system overhaul and software update is the most cost-effective route. However, if the engine has suffered severe thermal damage or internal failure, a full rebuilt unit with upgraded components is the only reliable long-term solution.
Don't Let Engine Failure Write Off Your Range Rover P615
Don't let a cooling system fault or 48V electrical issue sideline your flagship Range Rover. By comparing quotes through our network, you secure a rebuilt S68B44B with upgraded components, a 12-month warranty, and nationwide delivery-avoiding the steep premiums of main dealer replacements.
Compare rebuilt S68B44B Range Rover P615 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 Range Rover P615. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Range Rover P615 Engine ReplacementFrequently Asked Questions
Question 1How much does a Range Rover P615 engine replacement cost-
A reconditioned or rebuilt S68B44B engine for the Range Rover P615 typically costs between £22,000 and £45,000 for the supply-only unit in the UK.
- Used S68B44B engines start around £15,000 but carry higher risk due to lower mileage availability.
- Rebuilt units with upgraded cooling components sit at the £28,000-£45,000 mark.
- Supply and fit labour will add £1,300-£1,800 depending on the specialist.
Question 2What are the signs of cooling or MHEV failure in a Range Rover P615-
The S68B44B twin-turbo V8 is prone to plastic coolant component degradation and occasional 48V mild-hybrid system teething issues. Watch for early warning signs.
- Unexplained coolant loss or visible leaks around the expansion tank.
- Persistent check engine lights or 48V system warning messages on the dashboard.
- Engine overheating or unexpected entry into limp mode.
Question 3Is it worth replacing the engine in a modern Range Rover P615-
Yes, the modern L460 Range Rover SV market holds its value exceptionally well, making a full engine replacement a financially sound decision.
- Modern P615 SV models regularly sell for £150,000 to £250,000+.
- A £28,000-£45,000 rebuilt engine preserves the vehicle's drivability, flagship status, and long-term market appeal.
Question 4How long does a Range Rover P615 engine replacement take-
Because the S68B44B is a complex, densely packed twin-turbo V8 with integrated 48V mild-hybrid architecture, a specialist workshop requires specific JLR diagnostic tools and careful extraction.
- Engine removal and refitting usually takes 18 to 24 hours of labour.
- Total workshop turnaround is typically 5 to 7 working days, including ECU coding, 48V system calibration, and thorough dyno testing.
Question 5What is the difference between the Range Rover P530 and P615 engines-
Both use the BMW-sourced 4.4-litre twin-turbo V8 architecture, but the P615 is the high-output, SV-exclusive variant.
- The P530 produces 530PS (523hp), while the P615 produces 615PS (606hp) with upgraded turbochargers and aggressive calibration.
- Both feature the 48V mild-hybrid system, but the P615 requires more rigorous cooling system maintenance due to the higher thermal output.
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