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Audi TT RS 8J vs Audi TT RS 8STuning compared, stage by stage

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

Close-up of a white Audi TT RS 8J's headlight with its LED strip and the TT RS badge on the grille

Audi TT RS 8J or Audi TT RS 8S? They're two generations of the same car. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.

At a glance

Audi TT RS 8JAudi TT RS 8S
Years2009–20142016–2023
Engine2.5 TFSI five-cylinder (CEPA), iron block2.5 TFSI EVO five-cylinder, aluminium block (DAZA; DNWA with filter)
Stock power340 PS / 450 Nm; plus: 360 PS / 465 Nm400 PS / 480 Nm

Power by stage

Audi TT RS 8JAudi TT RS 8S
Stock340–360 PS400 PS
Stage 1380–420 PS / hp440–505 hp / PS
Stage 2419–454 PS / hp500–554 hp / PS
Stage 3468–550 hp / PS578–650 hp / PS
Stage 4600–800+ PS / hp650–1,000+ hp / PS

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

Typical parts cost

Audi TT RS 8JAudi TT RS 8S
Stage 1remaps $526.95 (APR), $625 plus a $180 cable (034), €650 (BR-Performance), €599–€799 (TVS) or €999 fitted (HPerformance); S tronic software from £500 before VAT (TVS); plug-in boxes €499 (RaceChip) or €799 (DTE).remaps $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).
Stage 2intercooler $1,255.50 (Forge) or $1,480–$1,830 (Wagner); downpipe $1,480 (Wagner) or from €1,999 (HPerformance); cat-back exhaust £1,043.01–£1,240.07 (Milltek); manual clutch €647.10–€744.35 (Sachs).intercooler $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).
Stage 3034 RS500 kit $5,407; Loba LO500P €3,395; Turbo-Total 550 €2,637.78 before VAT; fuel-pump upgrade $390 (034) to €840.29 before VAT (BAR-TEK).APR 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.

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 8J reaches 600–800+ PS / hp and the Audi TT RS 8S 650–1,000+ hp / PS.

Read the full guides