Performance Chip Tuning Citroen C6
7 engines · +25 to +65 hp
Citroen C6: 7 engines — 3 gas and 4 diesel. Gains run from +25 to +65 hp, with up to +113 Nm more torque. GAN GTL from 249 EUR, GAN GT from 399 EUR. GAN GA+ from 199 EUR.
All Citroen C6 engines: exact gains
STOCK output, output with GAN, gain and price for each module. Diesel and gasoline engines are listed separately.
| Engine | STOCK → with GAN | Gain | Tuners and prices | |
|---|---|---|---|---|
| Diesel · 4 engines | ||||
| 3.0 V6 HDI 240 FAP241 hp / 450 Nm | +65 hp+113 Nm |
GTL — 249 EUR · 296 hp GT — 399 EUR · 306 hp |
Select → | |
| 2.2 170 HDI170 hp / 370 Nm | +48 hp+99 Nm |
GTL — 249 EUR · 211 hp GT — 399 EUR · 218 hp |
Select → | |
| 2.2 165 HDI163 hp / 340 Nm | +47 hp+93 Nm |
GTL — 249 EUR · 203 hp GT — 399 EUR · 210 hp |
Select → | |
| 2.7 HDI 205204 hp / 440 Nm | +43 hp+92 Nm |
GTL — 249 EUR · 241 hp GT — 399 EUR · 247 hp |
Select → | |
| Gasoline · 3 engines | ||||
| 1.8 T204 hp / 280 Nm | +43 hp+59 Nm |
GTL — 249 EUR · 241 hp GT — 399 EUR · 247 hp |
Select → | |
| 1.6 T167 hp / 245 Nm | +35 hp+51 Nm |
GTL — 249 EUR · 197 hp GT — 399 EUR · 202 hp |
Select → | |
| 2.9i211 hp / 290 Nm | +25 hp+35 Nm |
GA — 199 EUR · 236 hp GA+ — 199 EUR · 236 hp |
Select → | |
Each engine gets its own performance chip: GAN GT / GTL or GAN GA / GA+. Prices are per performance chip and include the current discount.
Not sure which engine you have?
Find your engine by its horsepower – check your window sticker or decode your VIN. Each version has its own calibration.
Citroen C6 tune: what changes
The module plugs in between the sensors and the engine control unit (ECU) and adjusts their signals. It never rewrites your ECU software: your factory warranty is preserved, and the module can be removed at any time.
- Bluetoothswitch modes from your phone
- 18 mapsto fine-tune your engine

- 15 minutesplug-and-play install
- IP67water and dust protection
- +65 hpbest in this generation
3.0 V6 HDI 240 FAP 241 hp → 306 hp. The other engines gain +25 hp and up; check the table for each one.
- +113 Nmfor diesels
Diesels gain mostly torque: +92 to +113 Nm for towing and hauling.
- up to +12%with the GAN GA+ on naturally aspirated engines
For 1 naturally aspirated engine: the GAN GA / GAN GA+ tuners; check the table for each engine’s numbers.
- 50 daystest drive
Enhanced performance or your money back, excluding shipping costs.
Citroen C6 tuning FAQ
Which tuner do I need for my Citroen C6?
Turbo engines take the GAN GT or GAN GTL; naturally aspirated engines take the GAN GA or GAN GA+. Find your engine in the table above – each row shows the tuner and the price.
Is a tuning module the same as a Stage 1 tune?
Not quite. Stage 1 usually means an ECU flash tune without replacing any parts. The tuning module also works without replacing parts, but it does not change the ECU software: it adjusts the sensor signals, comes off in about a minute, and the OFF button in the app restores the factory settings.