Volkswagen tuning guides: Stage 1 to 4 for every model

Power by stage, model by model

Car	Years	Engine	Stock	Stage 1	Stage 2	Stage 3	Stage 4
VW Golf GTI Mk4 1.8T	1998–2004	1.8T 20V turbo four	150–180 PS	187–225 hp	195–235 hp	240–280 hp	320–380 PS
VW Golf GTI Mk5	2004–2008	2.0 TFSI EA113	200–230 PS	235–260 hp	260–285 hp	300–355 hp	400–490 PS
VW Golf GTI Mk6	2009–2013	2.0 TSI EA888	200–210 PS	245–275 hp	265–295 hp	330–390 hp	420–600 hp
VW Golf R Mk6	2010–2013	2.0 TFSI EA113 with a K04 turbo	256–270 hp / PS	295–321 hp	311–362 hp	370–450 hp	400–500+ hp
VW Golf R Mk7	2014–2020	2.0 TSI EA888 Gen 3	292 hp	355–413 hp	397–461 hp	470–536 hp	550+ hp
VW Golf GTI Mk7	2015–2021	2.0 TSI EA888 Gen 3	210 hp	290–337 hp	334–351 hp	~380–400 hp	500+ hp
VW Polo GTI Mk6 (AW)	2017–2021, facelift 2021–	2.0 TSI EA888	200–207 PS	232–259 hp	250–285 hp	320–420 hp	— no verified parts
VW Golf GTI Mk8	2020–	2.0 TSI EA888 Gen 4	241 hp	328–375 hp	345–392 hp	410–478 hp	500+ hp
VW Golf R Mk8	2021–	2.0 TSI EA888 Gen 4	315 hp	386–442 hp	410–455 hp	500+ hp	600+ hp
VW Tiguan Mk3	2024–	2.0 TSI EA888 Gen 4; 1.5 eTSI	150–265 PS	170–325 PS	— parts only, no file yet	≈420–450 hp in other cars, no file yet	550–600+ hp in other cars, no file yet

Figures are the tuners' own claims from each guide, on the fuel each tuner states. Some are at the wheels (whp), so compare like with like.