GAN tuning modules · up to +30% power

Chip Tuning Vauxhall Astra J (2009–2015)

7 engines · +33 to +56 hp

up to +30%power with GAN GT
up to 15%fuel savings
up to 2 yearsengine warranty
50 daystest drive

In short

Vauxhall Astra J: 7 engines — 2 petrol and 5 diesel. Gains range from +33 to +56 hp, with up to +105 Nm of torque. GAN GTL from 219 EUR, GAN GT from 329 EUR.

engines

2 petrol · 5 diesel

+56hp

best in this generation: 1.6 SIDI 200 → 256 hp

gain range +33…+56 hp

+105Nm

max torque gain

2.0 BiTurbo CdTi, GT

from 219EUR

tuning module price

GAN GTL from 219 EUR · GAN GT from 329 EUR

Power gains

All Vauxhall Astra J engines: exact gains

STOCK output, output with GAN, gain and price for each module. Diesel and petrol engines are listed separately.

Engine	STOCK → with GAN	Gain	Tuning modules and prices
Diesel · 5 engines
2.0 BiTurbo CdTi194 hp / 400 Nm	194 hp249 hp / 505 Nm	+55 hp+105 Nm	GTL — 249 EUR · 241 hp GT — 399 EUR · 249 hp	Select →
2.0 CdTi165 hp / 350 Nm	165 hp212 hp / 445 Nm	+47 hp+95 Nm	GTL — 249 EUR · 205 hp GT — 399 EUR · 212 hp	Select →
2.0 CdTi160 hp / 350 Nm	160 hp206 hp / 445 Nm	+46 hp+95 Nm	GTL — 249 EUR · 199 hp GT — 399 EUR · 206 hp	Select →
1.6 CdTi136 hp / 320 Nm	136 hp176 hp / 409 Nm	+40 hp+89 Nm	GTL — 219 EUR · 170 hp GT — 329 EUR · 176 hp	Select →
1.6 CdTi110 hp / 300 Nm	110 hp143 hp / 385 Nm	+33 hp+85 Nm	GTL — 219 EUR · 138 hp GT — 329 EUR · 143 hp	Select →
Petrol · 2 engines
1.6 SIDI200 hp / 280 Nm	200 hp256 hp / 365 Nm	+56 hp+85 Nm	GTL — 249 EUR · 248 hp GT — 399 EUR · 256 hp	Select →
1.4T140 hp / 200 Nm	140 hp181 hp / 260 Nm	+41 hp+60 Nm	GTL — 219 EUR · 175 hp GT — 329 EUR · 181 hp	Select →

stock powergain with GAN

Each engine has its own tuning module: GAN GT / GTL or GAN GA / GA+. Prices are per tuning module and include the current discount.

Not sure which engine you have?

The badge alone is not enough: in this generation, the same engine designation came in different power outputs, each with its own calibration. Check the power output in your registration document and find the matching row.

Same badge, different factory power outputs in this generation:

2.0 CdTi 160 / 165 hp1.6 CdTi 110 / 136 hp

GAN tuning module for the Vauxhall Astra J

Vauxhall Astra J tuning: what changes

The tuning module sits between the sensors and the engine control unit (ECU) and adjusts their signals. Your manufacturer’s warranty is preserved: the ECU software is never changed, and the module can be removed at any time.

Bluetoothsmartphone mode control
18 mappingsfine tuning for your engine

15 minutesfitted to the factory connectors
IP67water and dust protection

+56 hpbest in this generation
1.6 SIDI 200 hp → 256 hp. The other engines gain from +33 hp; see the table for each one.
+105 Nmfor diesels
Diesels gain mainly torque: +85 to +105 Nm.
GAN APPpower control via smartphone
SPORT, DYNAMIC, ECO and STOCK modes in the GAN app.
50 daystest drive
Enhanced performance or your money back, excluding delivery costs.

Prices for the Vauxhall Astra J

GAN GT from 329 EUR GAN GTL from 219 EUR

Find your engine in the table

Questions

Vauxhall Astra J chip tuning: questions

Which tuning module do I need for the Vauxhall Astra J?

All engines in this generation are turbocharged, so you need the GAN GT or GAN GTL. Find your engine in the table above: each row shows the module and the price.

Is a tuning module the same as a Stage 1 tune?

Not quite. Stage 1 usually means an ECU remap 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.