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Audi TT RS 8S vs Audi RS3 8YTuning compared, stage by stage

Stock power, Stage 1 to Stage 4 and typical costs for both cars, side by side.

White Audi TT RS 8S coupé with the RS honeycomb grille, quattro script, red brake calipers and fixed rear wing, parked by a corrugated wall

Audi TT RS 8S or Audi RS3 8Y? Both use the 2.5 five-cylinder. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.

At a glance

Audi TT RS 8SAudi RS3 8Y
Years2016–20232021– (Sportback and Saloon)
Engine2.5 TFSI EVO five-cylinder, aluminium block (DAZA; DNWA with filter)2.5 TFSI five-cylinder (EA855 evo)
Stock power400 PS / 480 Nm401 hp / 369 lb-ft (US)

Power by stage

Audi TT RS 8SAudi RS3 8Y
Stock400 PS401 hp
Stage 1440–505 hp / PS446–561 hp
Stage 2500–554 hp / PS467–565 hp
Stage 3578–650 hp / PS585–613 hp
Stage 4650–1,000+ hp / PS650–800+ hp

Figures are the tuners' own claims from each guide, on the fuel each tuner states.

Typical parts cost

Audi TT RS 8SAudi RS3 8Y
Stage 1remaps $610.95 (APR), $699 (IE), $725 (034) or €890 (BR-Performance); with TVS gearbox software £1,174 before VAT (PERON); gearbox software $625–$649.95 (034, APR); plug-in boxes €609 (RaceChip) or €1,299 (DTE).APR $1,200 plus a $1,000 unlock; Unitronic's unlock alone $560 (software through dealers); plug-in modules €479–€609 (RaceChip), $679 (JB4) and $1,499–$1,949 (MTM); HGP €5,800 and ABT Power S €6,090 including VAT.
Stage 2intercooler $799.99 (CTS), $1,549.95 (APR) or $1,830 (Wagner); HJS ECE downpipe €3,510.50 (no filter) or €5,259.80 (with filter); turbo inlet $1,126.95 (APR); cat-back $2,254.95 (APR) or from £2,266.92 (Milltek).APR $1,300 plus the unlock; HGP €8,500 plus €1,000 fitting; ABT Power R €9,151 including VAT.
Stage 3APR DTR8563 $3,599.95; TTE700 €2,100 or TTE777 €2,520 before VAT; port injectors about $635 (APR, five) or $579.99 (Unitronic); TVS 800 Nm gearbox software £896 before VAT.HGP turbo kits €13,500–€15,500 plus €1,500 fitting; the TTE600 turbo alone €1,791 before VAT.

List prices from the guides, before shipping, import tax and fitting. "—" means that guide has no cost line for the stage.

Where each one ends up

At Stage 4 the Audi TT RS 8S reaches 650–1,000+ hp / PS and the Audi RS3 8Y 650–800+ hp.

Read the full guides