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 8S | Audi RS3 8Y | |
|---|---|---|
| Years | 2016–2023 | 2021– (Sportback and Saloon) |
| Engine | 2.5 TFSI EVO five-cylinder, aluminium block (DAZA; DNWA with filter) | 2.5 TFSI five-cylinder (EA855 evo) |
| Stock power | 400 PS / 480 Nm | 401 hp / 369 lb-ft (US) |
Power by stage
| Audi TT RS 8S | Audi RS3 8Y | |
|---|---|---|
| Stock | 400 PS | 401 hp |
| Stage 1 | 440–505 hp / PS | 446–561 hp |
| Stage 2 | 500–554 hp / PS | 467–565 hp |
| Stage 3 | 578–650 hp / PS | 585–613 hp |
| Stage 4 | 650–1,000+ hp / PS | 650–800+ hp |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| Audi TT RS 8S | Audi RS3 8Y | |
|---|---|---|
| Stage 1 | 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). | 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 2 | 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). | APR $1,300 plus the unlock; HGP €8,500 plus €1,000 fitting; ABT Power R €9,151 including VAT. |
| Stage 3 | 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. | 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
- The Audi TT RS 8S guide
- The Audi RS3 8Y guide
- Compare other cars in the compare tool
- All comparisons
