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All cars › Comparisons › Audi RS Q3 F3 vs Audi TT RS 8S

Audi RS Q3 F3 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.

Grey Audi RS Q3 Sportback F3 show car with a black front lip, carbon mirror caps and dark aftermarket wheels

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 F3Audi TT RS 8S
Years2019–2016–2023
Engine2.5 TFSI EVO five-cylinder (DNWA with particulate filter, DAZA without)2.5 TFSI EVO five-cylinder, aluminium block (DAZA; DNWA with filter)
Stock power400 PS / 480 Nm400 PS / 480 Nm

Power by stage

Audi RS Q3 F3Audi TT RS 8S
Stock400 PS400 PS
Stage 1440–480 PS / hp440–505 hp / PS
Stage 2505–554 PS / hp500–554 hp / PS
Stage 3620 PS–700 hp578–650 hp / PS
Stage 4707 PS–800 hp650–1,000+ hp / PS

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

Typical parts cost

Audi RS Q3 F3Audi TT RS 8S
Stage 1BAR-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 2HPerformance 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 3TTE600 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