BHP+27 hp (20%)
Standard
138 hp
Tuned
165 hp
Torque+60 Nm (19%)
Standard
320 Nm
Tuned
380 Nm
Suitability
Good (7/10)Gains Profile
BalancedHeadroom
MediumCitroën C4 2.0 HDi 138hp ECU Remapping
Considering an ECU remap for your Citroën C4 2.0 HDi 138hp? A Stage 1 remap can take this 2004 - 2010 diesel engine from 138 BHP to 165 BHP and from 320 Nm to 380 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Citroën C4 can achieve.
How this engine compares
- 15thof 32 Citroën C4 engines by power gain
- 35%of the 9,842 engines we hold gain data for see a smaller power increase
- 41%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Citroën C4 2.0 HDi 138hp is a 2.0L turbocharged diesel engine producing 138 BHP and 320 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 165 BHP and 380 Nm — a gain of around 27 BHP (20%) and 60 Nm (19%).
This engine has moderate 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 moderate, based on the percentage gain available from the factory output.
Considerations: 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.
Considerations
!Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Other C4 2004 - 2010 Engines
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