Considering an ECU remap for your Alfa Romeo 156 2.4 JTD 140hp? A Stage 1 remap can take this 2002 - 2005 diesel engine from 140 BHP to 173 BHP and from 304 Nm to 382 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.
The Alfa Romeo 156 2.4 JTD 140hp is a 2.4L turbocharged diesel engine producing 140 BHP and 304 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 173 BHP and 382 Nm — a gain of around 33 BHP (24%) and 78 Nm (26%).
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.
Considerations: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.. Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
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.
| 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) |
| 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) |
| 2.4 JTD 20V 175hp | 175 → 220 | +45 | 385 → 480 | +95 | Good (7.5/10) |
Get a personalised remap quote for your Alfa Romeo 156. We'll connect you with a trusted professional in your area.
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.
