4.7i V8 - 258ch Tuning
Jeep Grand Cherokee — Detailed power and torque gains by stage.
Gains by stage(4)
Power
258 hp
Torque
425 Nm
essence
Power
258→270ch
+12 ch
+5%
Torque
425→435Nm
+10 Nm
+2%
OriginalTuned
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Everything about 4.7i V8 - 258ch tuning
Tuning the 4.7i V8 - 258ch found in the Jeep Grand Cherokee 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 Jeep Grand Cherokee 4.7i V8 - 258ch, tuning delivers up to +42 hp and +55 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 258 → 270 hp | 425 → 435 Nm | — |
| Stage 2 | 258 → 300 hp | 425 → 480 Nm | — |
| E85 Flexfuel | 258 → 258 hp | 425 → 425 Nm | — |
| E85+ | 258 → 270 hp | 425 → 435 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 4.7i V8 - 258ch?
Tuning the 4.7i V8 - 258ch (Jeep Grand Cherokee) 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 4.7i V8 - 258ch?
Yes, the 4.7i V8 - 258ch 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 Jeep Grand Cherokee 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 Jeep Grand Cherokee?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.