3.8 DFI GT4 - 385ch Tuning
Porsche Cayman — Detailed power and torque gains by stage.
Gains by stage(4)
Power
385 hp
Torque
420 Nm
essence
Power
385→405ch
+20 ch
+5%
Torque
420→440Nm
+20 Nm
+5%
OriginalTuned
Find a tuner
Compare certified professionals near you.
Everything about 3.8 DFI GT4 - 385ch tuning
Tuning the 3.8 DFI GT4 - 385ch found in the Porsche Cayman is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Porsche Cayman 3.8 DFI GT4 - 385ch, tuning delivers up to +65 hp and +60 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 385 → 405 hp | 420 → 440 Nm | — |
| Stage 2 | 385 → 450 hp | 420 → 480 Nm | — |
| E85 Flexfuel | 385 → 385 hp | 420 → 420 Nm | — |
| E85+ | 385 → 405 hp | 420 → 440 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 3.8 DFI GT4 - 385ch?
Tuning the 3.8 DFI GT4 - 385ch (Porsche Cayman) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 3.8 DFI GT4 - 385ch?
Yes, the 3.8 DFI GT4 - 385ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Porsche Cayman tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Porsche Cayman?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.