Range Rover 4.4 TDV8 Engine ReplacementCompare Prices & Get Quotes
Get quotes today from trusted UK Range Rover 4.4 TDV8 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best value for your premium 4x4.
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12-Month Warranty
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👑 Premium V8 Specialists
From £8,000 to £12,000
Used from £3,500 · Reconditioned from £6,000 · Common codes: 448DT
From £3,500
Tested, bare/short engine
From £6,000
Rod bearings addressed, tested
From quote
Upgraded bearings, full teardown, revised valvetrain
Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK Range Rover 4.4 TDV8 specialists.
3 Simple Steps3 Simple Stepsto Finding the Best Range Rover 4.4 TDV8 Replacement Engineto Finding the Best Range Rover 4.4 TDV8 Replacement Engine
Most replacements completed within 3-5 days.
Variant HistoryRange Rover 4.4 TDV8 - Engine History & Specs at a Glance
The 4.4-litre TDV8 (448DT) represented a significant evolution in Land Rover's diesel V8 lineup, offering improved refinement and durability compared to the earlier 3.6-litre unit, and became the preferred diesel V8 choice for Range Rover and Range Rover Sport models.
Variant HistoryRange Rover 4.4 TDV8 - Engine History & Specs at a Glance
The 4.4-litre TDV8 (448DT) represented a significant evolution in Land Rover's diesel V8 lineup, offering improved refinement and durability compared to the earlier 3.6-litre unit, and became the preferred diesel V8 choice for Range Rover and Range Rover Sport models.
Range Rover 4.4 TDV8
Fuel TypeDiesel
Engine Size Range4.4L (4367cc)
Power Output Range313hp-339hpEngine History Timeline
448DT (4367cc) 313hp, introduced in the Range Rover L322 facelift and Range Rover Sport L320, replacing the problematic 3.6 TDV8 with a more robust 4.4-litre Ford-sourced V8 diesel.
2021 - Continued use in Range Rover L405 and Range Rover Sport L494 proving to be one of the most reliable diesel V8s in the Land Rover lineup with no catastrophic bottom-end design flaws.
Key Specs Snapshot
Fuel TypeDieselEngine Size Range4.4L (4367cc)Power Output Range313hp-339hpYears Produced2010-presentEvery engine fitted to the Range Rover 4.4 TDV8 is covered below, with UK rebuilt pricing and known failure points.
Range Rover 4.4 TDV8 Engine Codes - Specifications & Replacement CostRange Rover 4.4 TDV8 Engine Codes - Specifications & Replacement Cost
4.4L Diesel (2010-present)
Power Output313hp-339hpYears Fitted2010-present
Compatible Trim Levels
- Range Rover TDV8 Vogue
- Range Rover TDV8 HSE
- Range Rover Sport TDV8 HSE
- Range Rover Sport SDV8
Find your exact engine code, specs and UK replacement cost guide.
Used
Tested, ready-to-fit engine
£3,500-£6,000
Reconditioned
Addressed known issues, tested
£6,000-£9,000
Rebuilt
Full teardown, upgraded internals
£8,000-£12,000
Common Failure
Oil cooler leaks (located in the valley of the V8), alternator failure, and coolant crossover pipe leaks. Unlike the 3.6 TDV8, the 4.4 TDV8 has no catastrophic bottom-end design flaw and is considered highly durable.
The Range Rover 4.4 TDV8 (448DT) is widely regarded as one of the most reliable diesel V8s in Land Rover's modern lineup. Unlike the earlier 3.6 TDV8 with its crankshaft fracture risk, the 4.4-litre unit has no catastrophic bottom-end design flaw. However, high-mileage examples can develop oil cooler leaks and cooling system issues. Rebuilt engines through EnginesMarket include upgraded components addressing original failure points, plus a minimum 12-month unlimited-mileage warranty.
Why the Range Rover 4.4 TDV8 448DT Requires Attention
Affected Vehicles
Range Rover 4.4 TDV8 (448DT, 2010-present)
Typical Failure Mileage
100,000-200,000 miles
Root Cause
Oil cooler seals located in the valley of the V8 can degrade over time, leading to oil/coolant mixing. Coolant crossover pipes can also develop leaks due to age and thermal cycling.
Why It Happens
Oil cooler seals located in the valley of the V8 can degrade over time, leading to oil/coolant mixing. Coolant crossover pipes can also develop leaks due to age and thermal cycling.
Dealer (parts + labour)
£2,500-£4,000
Specialist (parts + labour)
£1,200-£2,500
What it involves
Replace oil cooler seals, coolant crossover pipes, and thermostat housing.
Suitability
Cost-effective if caught early with no major contamination or overheating damage.
1 - 2 daysDealer (parts + labour)
£11,000-£15,000
Specialist (parts + labour)
£8,000-£12,000
What it involves
Supply & fit, upgraded components addressing the original failure point, 12-month warranty.
Suitability
Required if severe oil/coolant contamination has caused bearing wear or if the engine has suffered overheating 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 Minor | £2,500-£4,000 | £1,200-£2,500 | Replace oil cooler seals, coolant crossover pipes, and thermostat housing. | Cost-effective if caught early with no major contamination or overheating damage. | 1 - 2 days |
 Full Replacement - rebuilt/reconditioned engine Best Value | £11,000-£15,000 | £8,000-£12,000 | Supply & fit, upgraded components addressing the original failure point, 12-month warranty. | Required if severe oil/coolant contamination has caused bearing wear or if the engine has suffered overheating damage. | 1 - 2 days |
Vehicle Value Check
Vehicle Value Check
A typical 2010-2021 Range Rover or Range Rover Sport with 4.4 TDV8 is valued between £12,000 and £55,000 [THIRD-PARTY], with later L405/L494 models commanding the highest premiums. At this value band, an £8,000-£12,000 rebuilt engine replacement represents a sound investment (typically 15-40% of vehicle value), making it financially viable to protect your premium asset.
Our Recommendation
Our Recommendation
The 4.4 TDV8 is a robust engine that rewards proper maintenance. If your Range Rover has a full service history and the oil cooler leak is caught early, a specialist repair is highly cost-effective. However, if there is evidence of severe contamination, bearing wear, or the engine has exceeded 150,000 miles with patchy maintenance, a full reconditioned replacement is the most reliable long-term solution for a premium Range Rover.
Don't Let Engine Failure Write Off Your Range Rover 4.4 TDV8
Protect your premium investment with a rebuilt engine that features upgraded oil cooler seals and cooling components, plus a comprehensive 12-month unlimited-mileage warranty. By comparing quotes from our vetted UK specialist network, you avoid main dealer premiums while securing nationwide supply and fit options tailored to your exact Range Rover 4.4 TDV8.
Compare rebuilt 448DT Range Rover 4.4 TDV8 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 4.4 TDV8. Every engine supplied through EnginesMarket carries a minimum 12-month unlimited mileage warranty - always confirm exact terms with your chosen supplier."
Range Rover 4.4 TDV8 Engine ReplacementFrequently Asked Questions
Question 1How much does a Range Rover 4.4 TDV8 engine replacement cost-
A reconditioned or rebuilt Range Rover 4.4 TDV8 engine typically costs between £6,000 and £12,000 for the supply-only unit, depending on the level of rebuild and specialist documentation provided.
- Rebuilt units include upgraded oil cooler seals and cooling system components.
- Supply and fit packages are available through our premium specialist network.
Question 2What are the signs of oil cooler failure in a Range Rover 4.4 TDV8-
Early detection is critical to preventing catastrophic damage to your Range Rover 4.4 TDV8 engine.
- Look for unexplained coolant loss, oil contamination (milky appearance), or coolant/oil mixing.
- Overheating warnings, white smoke from the exhaust, or a sweet smell from the engine bay are also strong indicators.
Question 3Is the Range Rover 4.4 TDV8 more reliable than the 3.6 TDV8-
Yes, the 4.4 TDV8 is significantly more reliable than the earlier 3.6 TDV8.
- The 3.6 TDV8 suffered from crankshaft fracture and timing chain tensioner failures, while the 4.4 TDV8 has no catastrophic bottom-end design flaw.
- The 4.4 TDV8 is considered one of the most durable diesel V8s in the Land Rover lineup when properly maintained.
Question 4How long does a Range Rover 4.4 TDV8 engine supply and fit take-
A straightforward supply and fit replacement for a Range Rover 4.4 TDV8 typically takes 4 to 6 days at a premium specialist workshop.
- This allows time for the engine to be delivered, mounted, and thoroughly calibrated and tested.
- The V8 configuration requires more labour hours (18-24 hrs) than inline engines.
Question 5Can I upgrade my Range Rover 3.6 TDV8 to a 4.4 TDV8 engine-
While both are diesel V8s, a direct swap is not straightforward.
- The 4.4 TDV8 requires different ECU mapping, wiring harnesses, and potentially upgraded cooling and transmission components.
- We strongly recommend sticking to a like-for-like 448DT replacement to ensure guaranteed compatibility, MOT compliance, and warranty coverage.
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