Audi RS6 4.0 TFSI 600HP C8 20

Audi remapping BHP and Torque gains

Remapping the Audi RS6 (2020), 4.0 TFSI 600HP.

The Audi RS6 (2020)'s 4.0 TFSI 600HP responds evenly to remapping, with BHP rising 13.3% to 680bhp alongside a closely matched 12.5% torque increase to 900Nm.

Turbocharged petrol engines have plenty of scope for a Stage 1 remap, and this worthwhile improvement is best felt through sharper throttle response across the rev range. These figures apply to 2020 models.

Typical remap gains for the RS6 4.0 TFSI 600HP

Power (Horsepower)
Standard vs Remapped
STANDARD 600 BHP

TUNED → 680 BHP

Torque
Standard vs Remapped
STANDARD 800 NM

TUNED → 900 NM

+80 BHPPower gained
+13.3%BHP increase
+100 NmTorque gained
+12.5%Torque increase

  • Power: 600bhp standard, 680bhp after a Stage 1 remap.
  • Torque: 800Nm standard, 900Nm after a Stage 1 remap.
  • This is a balanced gain: power and torque increase by a similar margin, rather than one outpacing the other.
  • This is a turbocharged engine, which typically means further headroom exists beyond Stage 1 if hardware is upgraded.
  • As a petrol engine, the practical benefit is mainly felt as sharper throttle response and a broader power band.
  • These figures apply specifically to 2020 models.
  • These are Stage 1 figures only, achieved without any hardware changes.

Questions about remapping your RS6 4.0 TFSI 600HP

How much power and torque does a Stage 1 remap add to the Audi RS6 (2020) 4.0 TFSI 600HP?

A Stage 1 remap typically takes the Audi RS6 (2020) 4.0 TFSI 600HP from 600bhp to around 680bhp, and torque from 800Nm to around 900Nm. This is a worthwhile gain achieved entirely through software, with no hardware changes required.

Is the Audi RS6 (2020) 4.0 TFSI 600HP a good candidate for remapping?

Generally, yes: as a turbocharged engine it has the headroom to respond well to a quality remap, and the worthwhile gain shown here reflects that. The main caveats are condition, not the engine itself, a healthy service history, no outstanding fault codes, and (for diesels) a clear DPF and EGR are what actually determine whether this particular car is ready for a remap.

Will remapping affect the warranty on my Audi RS6 (2020)?

A manufacturer can only void the parts of a warranty that the remap directly affects, not the entire vehicle, under the Consumer Rights Act and EU Block Exemption principles. In practice, on a Audi RS6 (2020) 4.0 TFSI 600HP this usually means engine and transmission-related claims are the ones worth discussing with a reputable tuner before booking.

What should I check before booking a remap for my Audi RS6 (2020) 4.0 TFSI 600HP?

Before booking, confirm the tuner uses a custom or bespoke file rather than a generic off-the-shelf map, ask whether they do a pre-remap health check, and check service history and mileage on your specific Audi RS6 (2020).

What's the difference between a Stage 1 and Stage 2 remap for the 4.0 TFSI 600HP?

Stage 1 is software-only and is what the figures on this page reflect. Stage 2 builds on that, but on a turbocharged engine like this, Stage 2 usually adds further gains but requires supporting hardware such as an upgraded intake or exhaust, so it is a separate conversation with a tuner rather than an automatic next step.

Will remapping my Audi RS6 (2020) affect my insurance?

Yes, always, a remap is a modification and must be declared to your insurer regardless of size. Given this worthwhile gain on the 4.0 TFSI 600HP, expect a likely premium increase, and it is worth getting a quote from a specialist modified-vehicle insurer before booking the remap itself.