Audi RS6 4.0 TFSI Performance 621hp Remap

Name: Audi RS6 4.0 TFSI Performance 621hp ECU Remap
Brand: Audi

Expected gains of +39 BHP and +100 Nm torque

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BHP+39 hp (6%)

Standard

621 hp

Tuned

660 hp

Torque+100 Nm (12%)

Standard

850 Nm

Tuned

950 Nm

Suitability

Moderate (5.5/10)

Gains Profile

Torque-focused

Headroom

Low

Audi RS6 4.0 TFSI Performance 621hp ECU Remapping

Considering an ECU remap for your Audi RS6 4.0 TFSI Performance 621hp? A Stage 1 remap can take this C8 - 2020 -> petrol engine from 621 BHP to 660 BHP and from 850 Nm to 950 Nm of torque (turbocharged). This engine scores 5.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi RS6 can achieve.

How this engine compares

8thof 8 Audi RS6 engines by power gain
62%of the 9,842 engines we hold gain data for see a smaller power increase
79%of engines with torque data see a smaller torque increase

Comparisons are calculated from our own recorded Stage 1 figures.

Assessment

The Audi RS6 4.0 TFSI Performance 621hp is a 4.0L turbocharged petrol engine producing 621 BHP and 850 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 660 BHP and 950 Nm — a gain of around 39 BHP (6%) and 100 Nm (12%).

This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.

From a technical perspective, the ECU is typically a Bosch MED17 (likely), and the transmission is manual and dsg/s tronic automatics are common depending on model/engine. some dsg/dual-clutch gearboxes have torque management; calibration may be torque-limited. at this torque level, transmission and driveline servicing history becomes especially important..

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.

Technical Specifications

Fuel Type: Petrol
Aspiration: Turbocharged
Displacement: 4L
Capacity: 3996 CC
Type: Car
Engine Family: Audi 4.0L TFSI Turbo Petrol

ECU & Transmission

Likely ECU Medium confidence: Bosch MED17 (likely)
Gearbox Medium confidence: Manual and DSG/S tronic automatics are common depending on model/engine. Some DSG/dual-clutch gearboxes have torque management; calibration may be torque-limited. At this torque level, transmission and driveline servicing history becomes especially important.

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Confirm Your Vehicle

MakeAudi

ModelRS6

GenerationC8 - 2020 ->

Engine4.0 TFSI Performance 621hp

All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.

We recommend discussing your specific vehicle with a qualified remap professional before proceeding.

Engine	BHP	Gain	Torque	Gain	Score
4.0 TFSI 600hp	600 → 680	+80	800 → 950	+150	Good (6.5/10)
4.0 TFSI GT 630hp	630 → 680	+50	850 → 950	+100	Moderate (5.5/10)