Alfa Romeo 156 2.4 JTD 20V 175hp Remap

Name: Alfa Romeo 156 2.4 JTD 20V 175hp ECU Remap
Brand: Alfa Romeo

Expected gains of +45 BHP and +95 Nm torque

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BHP+45 hp (26%)

Standard

175 hp

Tuned

220 hp

Torque+95 Nm (25%)

Standard

385 Nm

Tuned

480 Nm

Suitability

Good (7.5/10)

Gains Profile

Balanced

Headroom

High

Alfa Romeo 156 2.4 JTD 20V 175hp ECU Remapping

Considering an ECU remap for your Alfa Romeo 156 2.4 JTD 20V 175hp? A Stage 1 remap can take this 2002 - 2005 diesel engine from 175 BHP to 220 BHP and from 385 Nm to 480 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Alfa Romeo 156 can achieve.

How this engine compares

2ndof 22 Alfa Romeo 156 engines by power gain
71%of the 9,842 engines we hold gain data for see a smaller power increase
78%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Alfa Romeo 156 2.4 JTD 20V 175hp is a 2.4L turbocharged diesel engine producing 175 BHP and 385 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 220 BHP and 480 Nm — a gain of around 45 BHP (26%) and 95 Nm (25%).

This engine scores highly for remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as high, based on the percentage gain available from the factory output.

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.

Other 156 2002 - 2005 Engines

Engine	BHP	Gain	Torque	Gain	Score
1.9 JTD 115hp	115 → 145	+30	275 → 330	+55	Good (7.5/10)
1.9 JTD 126hp	126 → 175	+49	330 → 380	+50	Good (7.5/10)
2.4 JTD 136hp	136 → 168	+32	310 → 380	+70	Good (7.5/10)
1.9 JTD 136hp	136 → 175	+39	305 → 380	+75	Good (7.5/10)
2.4 JTD 140hp	140 → 173	+33	304 → 382	+78	Good (7.5/10)
1.9 JTD 140hp	140 → 175	+35	305 → 380	+75	Good (7.5/10)
1.9 JTD 150hp	150 → 185	+35	305 → 380	+75	Good (7.5/10)
2.4 JTD 150hp	150 → 180	+30	304 → 370	+66	Good (7.5/10)
2.0 JTS 165hp	165 → 175	+10	206 → 220	+14	Moderate (4/10)

Technical Specifications

Fuel Type: Diesel
Aspiration: Turbocharged
Displacement: 2.4L
Capacity: 2387 CC
Type: Car
Engine Family: Alfa Romeo 2.4L JTDm Turbo Diesel

ECU & Transmission

Likely ECU Low confidence: Bosch EDC15 / early generation diesel ECU (varies)
Gearbox Low confidence: Transmission varies by trim and market; check manual/automatic type and torque rating. At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeAlfa Romeo

Model156

Generation2002 - 2005

Engine2.4 JTD 20V 175hp

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.