Performance Chip Tuning Audi RS6 C5 (2001–2004)
1 engine · +36 hp
Audi RS6 C5: 1 engine — 1 gas. Gains run from +36 to +36 hp, with up to +45 Nm more torque. GAN GA+ from 219 EUR.
All Audi RS6 C5 engines: exact gains
STOCK output, output with GAN, gain and price for each module.
| Engine | STOCK → with GAN | Gain | Tuners and prices | |
|---|---|---|---|---|
| Gasoline · 1 engine | ||||
| 4.2 TFSI450 hp / 560 Nm | +36 hp+45 Nm |
GA — 219 EUR · 486 hp GA+ — 219 EUR · 486 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.
Audi RS6 C5 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
- +36 hpbest in this generation
4.2 TFSI 450 hp → 486 hp. The other engines gain +36 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 Audi RS6 owners say about GAN
The car has become faster, I can’t say anything about consumption at this moment- I enjoy the dynamics of my car. The most interesting and inexplicable thing at the moment is that the gear shift (manual transmission) became softer and clearer, especially it is noticeable in the 1st, 2nd gear, possibly due to rev…
Audi RS6 C5 tuning FAQ
Which tuner do I need for my Audi RS6 C5?
Every engine in this generation is naturally aspirated, so you’ll want 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.