Performance Chip Tuning Pontiac G6
8 engines · +20 to +29 hp
Pontiac G6: 8 engines — 8 gas. Gains run from +20 to +29 hp, with up to +39 Nm more torque. GAN GA+ from 189 EUR.
All Pontiac G6 engines: exact gains
STOCK output, output with GAN, gain and price for each module.
| Engine | STOCK → with GAN | Gain | Tuners and prices | |
|---|---|---|---|---|
| Gasoline · 8 engines | ||||
| 3.9i243 hp / 325 Nm | +29 hp+39 Nm |
GA — 199 EUR · 272 hp GA+ — 199 EUR · 272 hp |
Select → | |
| 3.9i222 hp / 323 Nm | +27 hp+39 Nm |
GA — 199 EUR · 249 hp GA+ — 199 EUR · 249 hp |
Select → | |
| 3.5i219 hp / 221 Nm | +26 hp+27 Nm |
GA — 199 EUR · 245 hp GA+ — 199 EUR · 245 hp |
Select → | |
| 3.5i205 hp / 300 Nm | +25 hp+36 Nm |
GA — 199 EUR · 230 hp GA+ — 199 EUR · 230 hp |
Select → | |
| 2.4i171 hp / 220 Nm | +21 hp+26 Nm |
GA — 189 EUR · 192 hp GA+ — 189 EUR · 192 hp |
Select → | |
| 2.4i164 hp / 156 Nm | +20 hp+19 Nm |
GA — 189 EUR · 184 hp GA+ — 189 EUR · 184 hp |
Select → | |
| 3.6i252 hp / 341 Nm | +20 hp+27 Nm |
GA — 199 EUR · 272 hp GA+ — 199 EUR · 272 hp |
Select → | |
| 3.6i255 hp / 340 Nm | +20 hp+27 Nm |
GA — 199 EUR · 275 hp GA+ — 199 EUR · 275 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?
The badge alone isn’t enough: in this generation, the same engine came with different horsepower ratings, each with its own calibration. Check the horsepower in your owner’s manual or vehicle documents and find the matching row.
Same badge, different factory power outputs in this generation:
Pontiac G6 tune: what changes
More power and torque with no ECU flash and no new parts – the module only adjusts the engine sensor signals. Your factory warranty is preserved: the ECU software is never changed, 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
- +29 hpbest in this generation
3.9i 243 hp → 272 hp. The other engines gain +20 hp and up; check the table for each one.
- up to +30%more power
GAN GT: up to 30%, GAN GTL: up to 25%, GAN GA+: up to 12%.
- GAN APPpower control via smartphone
Switch between SPORT, DYNAMIC, ECO and STOCK in the GAN app.
- 50 daystest drive
Enhanced performance or your money back, excluding shipping costs.
What makes the Pontiac G6 special
Pontiac G6 tune: an American sedan on a shared GM platform
Pontiac built the G6 in Lake Orion, Michigan, for North America, and Europe never got it. It rides on the Epsilon platform shared with the Opel Vectra and the Saab 9-3, its European cousins. The engines are all American, so match the performance chip to the one in your car.
The sedan was built from 2005 to 2010, and the coupe and the folding hardtop convertible from 2006 to 2009, all with front-wheel drive. Trim names like GTP and GXP don't pick the module. The engine does.
G6 engines: find the one under your hood
The 2.4 DOHC four-cylinder debuted for 2006. Catalog row: 171 hp and 220 Nm. It came with a four-speed automatic, then a six-speed from 2009. For 2005 and 2006 the pushrod 3.5 V6 made around 200 hp. The catalog row says 205 hp and 300 Nm. Variable valve timing and a bit more power came to the 3.5 in 2007. Fitted from 2006 to 2008, the 3.9 V6 makes 243 hp with the manual and less with the automatic.
Only this engine could be ordered with the six-speed manual. The 3.6 DOHC V6 debuted in the GTP in 2007 and in the GXP after that. Its catalog row shows 255 hp and 340 Nm, paired with a six-speed automatic. The 3.5 and the 3.9 are the older GM pushrod V6s; the 3.6 is a DOHC engine with variable valve timing. Every G6 engine in the catalog takes the GAN GA+.
Pontiac G6 tuning FAQ
How much does a tune add to the G6 3.6 V6?
On the 255 hp engine the GAN GA+ gets you to 275 hp and 367 Nm. Stated gains, not a dyno reading of your car: the GAN GA+ line is rated at up to 12% more power on this kind of engine.
Is there a Pontiac G6 performance chip for the 2.4 four-cylinder?
Yes. The 2.4 with 171 hp and 220 Nm takes the GAN GA+.
Does a G6 performance chip replace the ECU?
No. The GAN module works between the engine sensors and the ECU, adjusting their signals, so the factory software, checksums and flash counter are never touched. It uses the existing connectors and comes off in about a minute.
Can I use a module listed for another car on the same platform?
No. The platform may be shared, but choose the module from the G6 engine list above.
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.