Audi RS Q3 F3 or Audi TT RS 8S? 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.
Short verdict
On Stage 1 software the Audi RS Q3 F3 gains about 10% and the Audi TT RS 8S about 10%. For a big build the Audi TT RS 8S has the higher ceiling: 650–1,000+ hp / PS at Stage 4, against 707 PS–800 hp for the Audi RS Q3 F3.
At a glance
| Audi RS Q3 F3 | Audi TT RS 8S | |
|---|---|---|
| Years | 2019– | 2016–2023 |
| Engine | 2.5 TFSI EVO five-cylinder (DNWA with particulate filter, DAZA without) | 2.5 TFSI EVO five-cylinder, aluminium block (DAZA; DNWA with filter) |
| Stock power | 400 PS / 480 Nm | 400 PS / 480 Nm |
Power by stage
| Audi RS Q3 F3 | Audi TT RS 8S | |
|---|---|---|
| Stock | 400 PS | 400 PS |
| Stage 1 | 440–480 PS / hp | 440–505 hp / PS |
| Stage 2 | 505–554 PS / hp | 500–554 hp / PS |
| Stage 3 | 620 PS–700 hp | 578–650 hp / PS |
| Stage 4 | 707 PS–800 hp | 650–1,000+ hp / PS |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| Audi RS Q3 F3 | Audi TT RS 8S | |
|---|---|---|
| Stage 1 | BAR-TEK €779.58 bundle or HPerformance from €1,249 with TÜV (€1,799 with options). | 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 2 | HPerformance intake with 4-inch inlet €1,199, RACE intercooler €2,099–2,189, Milltek downpipe £1,691.90; BAR-TEK Stage 2 bundle €3,201.26; HPerformance Stage 2 €10,999–11,499 fitted. | 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 3 | TTE600 RACE £3,155.63; BAR-TEK Stage 3 bundle €5,571.01; HPerformance Stage 3 €16,499–16,999 with TÜV. | 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 RS Q3 F3 reaches 707 PS–800 hp and the Audi TT RS 8S 650–1,000+ hp / PS.
Read the full guides
- The Audi RS Q3 F3 guide
- The Audi TT RS 8S guide
- Compare other cars in the compare tool
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