Data under review — The figures shown for this engine variant are currently being verified. They may be updated as we refine our data.
BHP+81 hp (20%)
Standard
400 hp
Tuned
481 hp
Torque+400 Nm (22%)
Standard
1850 Nm
Tuned
2250 Nm
Suitability
Moderate (5.5/10)Gains Profile
BalancedHeadroom
HighRenault Trucks Magnum 400hp ECU Remapping
Considering an ECU remap for your Renault Trucks Magnum 400hp? A Stage 1 remap can take this All diesel engine from 400 BHP to 481 BHP and from 1850 Nm to 2250 Nm of torque (naturally aspirated). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Renault Trucks Magnum can achieve.
How this engine compares
- 1stof 8 Renault Trucks Magnum engines by power gain
- 96%of the 9,842 engines we hold gain data for see a smaller power increase
- 99%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Renault Trucks Magnum 400hp is a naturally aspirated unknown fuel type engine producing 400 BHP and 1850 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 481 BHP and 2250 Nm — a gain of around 81 BHP (20%) and 400 Nm (22%).
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 high, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. High tuned torque: check transmission torque capacity and service history.
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
!Naturally aspirated engine: gains are usually limited; results vary widely.
!Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.
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