Cedar PerformanceECU / DME tuning
Blue D4 Audi S8 sedan for Cedar Performance ECU tuning

Audi 4.0 TFSI V8 twin-turbo calibration

2018 Audi S8 Tune

$700

Stage 1: 91 or 93 octane gasoline. Stock hardware. Stage 2: 91 or 93 octane gasoline. Upgraded Exhaust.

Stages2
Pricing$700
Power target696 HP / 593 lb-ft
Platform4.0 TFSI V8 twin-turbo D4
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Tune selection

Choose Your Tune

Selected tuneStage 1
Price$700
Power target696 HP / 593 lb-ft
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91 or 93 octane gasoline. Stock hardware.

Continue with Stage 1

Power target comparison

Power Targets

2018 Audi S8 4.0 TFSI V8 twin-turbo power target dyno sheet Cedar Performance Power Target Comparison 0 0 100 100 200 200 300 300 400 400 500 500 600 600 700 700 800 800 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 605.00 516.00 696.00 593.00 726.00 619.00 6.250 Stock · 605.00 HP @ 6.25k 516.00 lb-ft @ 5.13k Power (hp) Torque (lb-ft) Engine RPM (rpmx1000) 2018 Audi S8 · 93 AKI · Illustrative engine-output curves
CalibrationHPlb-ft
STOCK Performance605516
Stage 1 CedarTUNE696593
Stage 2 CedarTUNE726619

Illustrative engine-output curves using APR pump-gas dyno contours scaled to these Cedar targets. Stage 2 shares the available reference contour. 93 AKI gasoline; not a measured Cedar dyno run.

Stock reference · Supporting reference 1 · Supporting reference 2