4.2i V8 40v - 335ch Tuning
Volkswagen Phaeton — Detailed power and torque gains by stage.
Gains by stage(4)
Power
335 hp
Torque
420 Nm
essence
Power
335→370ch
+35 ch
+10%
Torque
420→465Nm
+45 Nm
+11%
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Everything about 4.2i V8 40v - 335ch tuning
Tuning the 4.2i V8 40v - 335ch found in the Volkswagen Phaeton 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 Volkswagen Phaeton 4.2i V8 40v - 335ch, tuning delivers up to +75 hp and +90 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 335 → 370 hp | 420 → 465 Nm | — |
| Stage 2 | 335 → 410 hp | 420 → 510 Nm | — |
| E85 Flexfuel | 335 → 335 hp | 420 → 420 Nm | — |
| E85+ | 335 → 370 hp | 420 → 465 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 4.2i V8 40v - 335ch?
Tuning the 4.2i V8 40v - 335ch (Volkswagen Phaeton) 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 4.2i V8 40v - 335ch?
Yes, the 4.2i V8 40v - 335ch 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 Volkswagen Phaeton 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 Volkswagen Phaeton?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.