Buick LaCrosse Chiptuning – ECU Remap | up to +30 HP

At a glance

Buick LaCrosse: 10 engines — 10 petrol. The gain is +20 to +30 hp, with up to +37 Nm more torque. GAN GA+ from 189 EUR.

10

engines

10 petrol

+30hp

best in this generation: 3.0i 258 → 288 hp

gain range +20…+30 hp

+37Nm

max torque gain

3.6i, GA+

from 189EUR

tuning module price

GAN GA from 189 EUR · GAN GA+ from 189 EUR

Power gains

All Buick LaCrosse engines: exact gains

Standard output, output with GAN, the gain and the price for each box.

Engine	STOCK → with GAN	Gain	Tuning boxes and prices
Petrol · 10 engines
3.0i258 hp / 294 Nm	258 hp288 hp / 312 Nm	+30 hp+18 Nm	GA — 199 EUR · 288 hp GA+ — 199 EUR · 288 hp	Select →
3.6i243 hp / 311 Nm	243 hp272 hp / 348 Nm	+29 hp+37 Nm	GA — 199 EUR · 272 hp GA+ — 199 EUR · 272 hp	Select →
3.6i303 hp / 264 Nm	303 hp327 hp / 285 Nm	+24 hp+21 Nm	GA — 219 EUR · 327 hp GA+ — 219 EUR · 327 hp	Select →
3.8i200 hp / 312 Nm	200 hp224 hp / 349 Nm	+24 hp+37 Nm	GA — 199 EUR · 224 hp GA+ — 199 EUR · 224 hp	Select →
3.8i201 hp / 305 Nm	201 hp225 hp / 342 Nm	+24 hp+37 Nm	GA — 199 EUR · 225 hp GA+ — 199 EUR · 225 hp	Select →
5.3i300 hp / 438 Nm	300 hp324 hp / 473 Nm	+24 hp+35 Nm	GA — 219 EUR · 324 hp GA+ — 219 EUR · 324 hp	Select →
2.5 eAssist194 hp / 254 Nm	194 hp217 hp / 284 Nm	+23 hp+30 Nm	GA — 189 EUR · 217 hp GA+ — 189 EUR · 217 hp	Select →
2.4h182 hp / 172 Nm	182 hp204 hp / 193 Nm	+22 hp+21 Nm	GA — 189 EUR · 204 hp GA+ — 189 EUR · 204 hp	Select →
2.4i168 hp / 225 Nm	168 hp188 hp / 252 Nm	+20 hp+27 Nm	GA — 189 EUR · 188 hp GA+ — 189 EUR · 188 hp	Select →
3.0i255 hp / 292 Nm	255 hp275 hp / 315 Nm	+20 hp+23 Nm	GA — 199 EUR · 275 hp GA+ — 199 EUR · 275 hp	Select →

standard powergain with GAN

Each engine has its own tuning box: GAN GT / GTL or GAN GA / GA+. Prices are per box 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:

3.0i 255 / 258 hp3.6i 243 / 303 hp3.8i 200 / 201 hp

GAN tuning box for the Buick LaCrosse

Buick LaCrosse remap: what changes

More power and torque without rewriting the ECU or swapping any parts. The GAN box only adjusts the engine sensor signals. Your manufacturer’s warranty is preserved: the ECU software is never changed, and the box can be removed at any time.

Bluetoothchange modes from your phone
18 mapsfine-tuning for your engine

15 minutesfitted to the factory connectors
IP67water and dust protection

+30 hpbest in this generation
3.0i 258 hp → 288 hp. The other engines gain at least +20 hp; 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
SPORT, DYNAMIC, ECO and STOCK modes in the GAN app.
50 daystest drive
Feel the difference or get your money back, excluding delivery costs.

Prices for the Buick LaCrosse

GAN GA / GA+ from 189 EUR

Find your engine in the table

FAQs

Buick LaCrosse remap: common questions

Which tuning box do I need for the Buick LaCrosse?

Every engine in this generation is naturally aspirated, so it takes the GAN GA or GAN GA+. Find your engine in the table above – each row shows the box and its price.

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

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.