Land Rover Range Rover / Sport 4.4 SDV8 339hp Remap

Name: Land Rover Range Rover / Sport 4.4 SDV8 339hp ECU Remap
Brand: Land Rover

Expected gains of +51 BHP and +80 Nm torque

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BHP+51 hp (15%)

Standard

339 hp

Tuned

390 hp

Torque+80 Nm (11%)

Standard

740 Nm

Tuned

820 Nm

Suitability

Good (6.5/10)

Gains Profile

Power-focused

Headroom

Medium

Land Rover Range Rover / Sport 4.4 SDV8 339hp ECU Remapping

Considering an ECU remap for your Land Rover Range Rover / Sport 4.4 SDV8 339hp? A Stage 1 remap can take this 2018 - 2021 diesel engine from 339 BHP to 390 BHP and from 740 Nm to 820 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Land Rover Range Rover / Sport can achieve.

How this engine compares

9thof 33 Land Rover Range Rover / Sport engines by power gain
80%of the 9,842 engines we hold gain data for see a smaller power increase
64%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Land Rover Range Rover / Sport 4.4 SDV8 339hp is a 4.4L turbocharged diesel engine producing 339 BHP and 740 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 390 BHP and 820 Nm — a gain of around 51 BHP (15%) and 80 Nm (11%).

This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.

From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted). at this torque level, transmission and driveline servicing history becomes especially important..

Considerations: High tuned torque: check transmission torque capacity and service history.

Fuel economy note: possible improvement with conservative driving.

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Considerations

!High tuned torque: check transmission torque capacity and service history.

Other Range Rover / Sport 2018 - 2021 Engines

Engine	BHP	Gain	Torque	Gain	Score
2.0 SD4 240hp	240 → 250	+10	500 → 550	+50	Moderate (5.5/10)
3.0 SDV6 249hp	249 → 305	+56	600 → 675	+75	Good (7/10)
3.0 TDV6 258hp	258 → 300	+42	600 → 650	+50	Good (6.5/10)
3.0 SDV6 275hp	275 → 305	+30	625 → 675	+50	Moderate (5.5/10)
2.0 Si4 300hp	300 → 320	+20	400 → 450	+50	Limited (3.5/10)
3.0 SDV6 306hp	306 → 330	+24	700 → 750	+50	Moderate (5.5/10)
3.0 V6 Supercharged 340hp	340 → 400	+60	450 → 500	+50	Good (6/10)
P400e 404hp	404 → 425	+21	640 → 690	+50	Limited (3.5/10)
5.0 V8 Supercharged 525hp	525 → 570	+45	680 → 720	+40	Moderate (5/10)
5.0 V8 Supercharged SVR 565hp	565 → 590	+25	700 → 720	+20	Moderate (4.5/10)

Technical Specifications

Fuel Type: Diesel
Aspiration: Turbocharged
Displacement: 4.4L
Capacity: 4367 CC
Type: Car
Engine Family: Land Rover 4.4L V8 Turbo Diesel

ECU & Transmission

Likely ECU Low confidence: Bosch EDC17-era diesel ECU (varies)
Gearbox Medium confidence: Many variants use ZF 8-speed automatic (where fitted). At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeLand Rover

ModelRange Rover / Sport

Generation2018 - 2021

Engine4.4 SDV8 339hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.