What are the signs of a failing 448DT engine in a Range Rover Sport 4.4 V8-

The most common early warning signs in the Range Rover Sport 4.4 V8 are belt tensioner noise, oil leaks from the heat exchanger or oil pump, or turbo drain pipe issues leading to oil starvation. You should also watch for illuminated temperature warning lights or unusual engine noises.

Is it worth replacing the engine in a Range Rover Sport 4.4 V8-

Yes. A typical Range Rover Sport 4.4 V8 holds a UK market value of £18,000-£55,000, making a £6,500-£9,000 rebuilt engine a financially sound investment that preserves the vehicle's performance, refinement, and strong resale value for years to come. The 448DT is widely regarded as the most reliable Sport engine.

How long does a Range Rover Sport 4.4 V8 engine replacement take-

A professional supply and fit service for a Range Rover Sport 4.4 V8 typically takes 3 to 5 days, depending on the specialist's workload and whether any ancillary components like the turbo system are being upgraded simultaneously. Sourcing a quality rebuilt unit may add a few days.

Range Rover Sport 4.4 V8 SPECIALISTS

Range Rover Sport 4.4 V8 Engine Replacement Compare Prices & Get Quotes

Get quotes today from trusted UK Range Rover Sport 4.4 V8 engine specialists. Compare prices on reconditioned, rebuilt and used engines to find the best deal for your premium 4x4.

Supply & Fit Available

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Range Rover Sport 4.4 V8 Engine

from£6,500 to £9,000...

Usedfrom £3,500
Reconditionedfrom £6,000
Common codes448DT

Land Rover range-rover-sport 4.4 V8 Used Engine — 448DT

Land Rover range-rover-sportUsed Engine — 448DT

Land Rover range-rover-sport 4.4 V8 Reconditioned Engine — 448DT

Land Rover range-rover-sportReconditioned Engine — 448DT

Land Rover range-rover-sport 4.4 V8 Rebuilt Engine — 448DT

Land Rover range-rover-sportRebuilt Engine — 448DT

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Range Rover Sport 4.4 V8 Engine History & Specs at a Glance

When the L494 Range Rover Sport launched, the 4.4 SDV8 badge represented the diesel flagship - a powerful, refined V8 diesel delivering effortless torque and genuine V8 character, widely considered the most reliable engine in the Sport line-up.

2014
Introduction of the 448DT 4.4L SDV8 V8 diesel engine (313-339 hp, 740 Nm) in the L494 Range Rover Sport, assembled at Ford's Mexican plant and fitted exclusively to high-end variants.
2014
2020 - Continued production with minor refinements; the 448DT maintained its reputation as the most durable Sport engine with no catastrophic bottom-end design flaws.
2020
Discontinuation of the 4.4 SDV8 in the Range Rover Sport due to emissions regulations, replaced by mild-hybrid six-cylinder Ingenium units in the L461 generation.

Every engine fitted to the Range Rover Sport 4.4 V8 is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Range Rover Sport 4.4 V8 Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

448DT — 4.4L SDV8 V8 Diesel (2014-2020)

Power Output: 313-339 hp
Years Fitted: 2014-2020

Can’t find your exact engine code?-> Get quotes for 448DT Range Rover Sport 4.4 V8 engine replacement

-> Get quotes for 448DT Range Rover Sport 4.4 V8 engine replacement

Common Problems

Range Rover Sport 4.4 V8 Engine Problems Repair Cost vs Replacement

The 4.4-litre SDV8 V8 diesel (448DT) in the Range Rover Sport 4.4 V8 is widely regarded as the most reliable engine in the Sport line-up, with no catastrophic bottom-end design flaws. However, age-related wear on turbo components, belt systems, and cooling is a known pattern. Rebuilt engines through EnginesMarket include upgraded components addressing these original failure points, plus a minimum 12-month unlimited-mileage warranty.

Common failure points and repair options

Turbo Drain Pipe & Belt Tensioner Failure

Affected: Range Rover Sport 4.4 V8 (448DT, 2014-2020)
Typical failure mileage: 80,000-120,000 miles

Root cause

Early units suffer from turbo drain pipe defects leading to oil starvation risk, while belt tensioner roller displacement can cause drive belt breakage. Heat exchanger and oil pump leaks are common after 80k miles.

Repair options

Repair tier	Dealer price	Specialist price
Preventative Belt & Turbo Refresh	£1,200-£2,000	£800-£1,500
Full Replacement - rebuilt/reconditioned engine	£10,000-£15,000	£8,000-£12,000 [EM-QUOTE]

Our recommendation

If your Range Rover Sport 4.4 V8 is showing early signs of belt wear or minor oil leaks but has not suffered catastrophic failure, a preventative belt tensioner and turbo drain pipe refresh by a JLR specialist is the most cost-effective route. However, if the engine has already suffered oil starvation or belt breakage, a full rebuilt replacement is the only reliable long-term solution.

-> Compare rebuilt 448DT Range Rover Sport 4.4 V8 engine prices

Don't Let Engine Failure Write Off Your Range Rover Sport 4.4 V8

Whether it is a belt tensioner issue or a turbo drain pipe defect, addressing problems early keeps your Range Rover Sport 4.4 V8 on the road and protects its flagship status. If replacement is necessary, EnginesMarket connects you with vetted specialists offering rebuilt 448DT engines with upgraded components, a minimum 12-month unlimited-mileage warranty and nationwide delivery - saving you from main dealer premiums.

Compare Range Rover Sport 4.4 V8 Engine Replacement Prices Now ->

FAQ

Range Rover Sport 4.4 V8 Engine ReplacementFrequently Asked Questions

Everything Range Rover Sport 4.4 V8 owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

A full rebuilt or reconditioned engine replacement for a Range Rover Sport 4.4 V8 typically ranges from £6,500 to £9,000 for supply only, depending on the specialist and the extent of upgrades included. Used engines start around £3,500 but carry higher risk, while rebuilt units include upgraded components and a 12-month warranty.

-> Compare Range Rover Sport 4.4 V8 engine replacement quotes today.

The Range Rover Sport 4.4 V8 uses a 4.4-litre V8 diesel engine (448DT) producing 313-339 hp, prioritising effortless refinement, genuine V8 character, and superior reliability with no catastrophic bottom-end design flaws. In contrast, the 3.0 SDV6 uses a V6 diesel (306PS) focused on fuel economy but carries the notorious crankshaft snapping weakness.

-> Find the right engine for your Range Rover Sport by checking compatibility.

Why Choose Us

Compare Range Rover Sport 4.4 V8 Engine Prices Today

Comparing quotes is completely free and carries no obligation. By entering your registration you ensure every quote is precisely matched to your Range Rover Sport 4.4 V8 and its specific 448DT engine code, connecting you directly with vetted UK specialists who understand the L494 platform and can deliver reliable, warrantied solutions at a fraction of main dealer cost.

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