Land Rover448DT (4.4 SDV8/TDV8)Diesel4.4L V8 Turbo2010–2020

Land Rover 448DT (4.4 SDV8/TDV8) Engine – Specs, Reliability & Replacement Cost

The 448DT is Land Rover's most durable modern V8 diesel – no catastrophic bottom-end design flaws here. Backed by 940+ real UK enquiries in 2025 [EM-VERIFIED].

Land Rover 448DT (4.4 SDV8/TDV8) Engine – Specs, Reliability & Replacement Cost
Compare 448DT (4.4 SDV8/TDV8) Engine Prices
  • 940+

    Enquiries

  • 3

    Models

    Fitted

  • 68/100

    Engine

    Score

  • Part of Engine Finders

At a Glance

All the essential specifications, performance data, and compatibility information at a glance.

Engine Family

448DT (4.4 SDV8/TDV8)

Fuel

Diesel

Configuration /
Displacement

4.4L V8 Turbo

Power Range

313–339 hp [THIRD-PARTY]

Years Produced

2010–2020

Models Fitted (BMW only)

Cross-Brand Fitment

Also fitted to Jaguar (XJ, XF)

Overall Engine Score

68/100

Verdict & Rating

Rating:

5

out of 5

86% confidence – based on 940+ real UK enquiries, specialist rebuild reports, and owner-forum data spanning a decade of real-world use.

The 448DT is Land Rover's most durable modern V8 diesel – oil cooler and coolant crossover pipe leaks are the main watchpoints – buy with full service history and check for coolant seepage.

Engine Score breakdown:

DimensionScore (of 20)

Reliability

Star rating (4.0★) × 4 = 16

16 /20

Repair Cost

Midpoint of Reconditioned (Supply Only) range: £6,000–£9,000 → £7,500 midpoint → falls in £7,000–£9,999 bracket → 8

8 /20

Repairability

V8 complexity and specialist requirement add cost, but no catastrophic design flaw; repairs are well-understood

12 /20

Parts Supply

Well-supported via JLR and aftermarket; shared with Jaguar ensures strong parts availability

16 /20

Replacement Economics

Reconditioned cost (£7,500 midpoint) as % of lowest typical vehicle value (Range Rover L405 ~£18,000–£22,000) = 34–42% → falls in 30–44% bracket → 16

16 /20

Total Engine Score

68 / 100

Best for:

Avoid if:

Compatibility

Jaguar Engine engines are fitted across 3+ models from 2012–2020.

Jaguar Exclusive Engine

This is an exclusive Jaguar engine. No cross-platform sharing.

2012
8 Years of Production
2020

Land

Rover Range Rover

Generation

L405

Variant/Badge

SDV8 / TDV8 (4.4)

Years

2012–2020

Land

Rover Range Rover Sport

Generation

L494

Variant/Badge

SDV8 (4.4)

Years

2013–2020

Land

Rover Discovery

Generation

Series 4 (L319)

Variant/Badge

SDV8 (4.4)

Years

2014–2016

+

Other Jaguar Models

Engine also appears in limited variants and markets.

View full details ›

Compatibility Verified

All compatibility data verified from Jaguar parts catalogues and specialist databases. [JAGUAR-VERIFIED]

Also powers the Jaguar XJ (X351) and XF (X260) → [Jaguar 448DT page].

Cost Guide

All prices are estimates from UK specialists

[JAGUAR-QUOTE]

USED

Supply Only

£3,500–£6,000

Fitted (Indie)

£4,500–£7,500

Warranty

Varies by supplier
Most Popular

RECONDITIONED

Supply Only

£6,000–£9,000

Fitted (Indie)

£7,000–£10,500

Warranty

12 months typical

REBUILT

Supply Only

£8,000–£12,000

Fitted (Indie)

£9,000–£13,500

Warranty

12–24 months typical
i

Fitting a 448DT typically takes 18–24 hours at £65–£95/hr (independent) or £110–£160/hr (London/SE dealer) [EM-QUOTE].

Parts cost is identical across Land Rover and Jaguar applications; labour time varies by engine bay access and subframe design.

FAQ

Expert answers to the most common BMW Engine engine questions.

Why Owners Trust Us

Trusted Suppliers

Every garage and engine rebuilder in our network is vetted, rated and reviewed by real 448DT owners, as part of the Engine Finders network.

Compare Companies

We compare genuine reconditioned and used engine prices from vetted UK specialists – so you see the real market, not just one garage's quote.

UK Coverage

From Cornwall to the Highlands, our specialist network covers the whole UK with expert 448DT knowledge.