VW Golf GTI Mk4 1.8T or VW Golf GTI Mk7? 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
| VW Golf GTI Mk4 1.8T | VW Golf GTI Mk7 | |
|---|---|---|
| Years | 1998–2004 | 2015–2021 |
| Engine | 1.8T 20V turbo four (AGU, AUM, ARZ, AUQ and others) | 2.0 TSI EA888 Gen 3 |
| Stock power | 150 PS / 210 Nm, or 180 PS / 235 Nm | 210 hp / 258 lb-ft (US) |
Power by stage
| VW Golf GTI Mk4 1.8T | VW Golf GTI Mk7 | |
|---|---|---|
| Stock | 150–180 PS | 210 hp |
| Stage 1 | 187–225 hp | 290–337 hp |
| Stage 2 | 195–235 hp | 334–351 hp |
| Stage 3 | 240–280 hp | ~380–400 hp |
| Stage 4 | 320–380 PS | 500+ hp |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| VW Golf GTI Mk4 1.8T | VW Golf GTI Mk7 | |
|---|---|---|
| Stage 1 | remaps $366.95 on sale (APR) or $500–$550 (Unitronic, at UroTuning); turbo-parts Kit 1 with diverter valve and filter €399. | software $500–$560 (IE, APR); APR's cable for flashing at home $130 more. Unitronic sells through dealers only. |
| Stage 2 | Unitronic Stage 2 file $600 (UroTuning); downpipe with sports cat £575.31 (Scorpion) or $890.78 on sale (Milltek); CTS intake $169.99; cat-back £432.53–$769.44 (Scorpion, Milltek). | the same APR file ($560); downpipe $850–$880; intake $521 (034) or £316 (APR); intercooler $540–$1,200 (CTS, Mishimoto) or £899 (Wagner). |
| Stage 3 | K04 kits $1,954.78–$2,427.04 (GIAC / UroTuning) or $2,788.95 on sale (APR, with software); turbo-parts Kit 2 €1,679.99 or hybrid Kit 3 €2,500. | — |
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 VW Golf GTI Mk4 1.8T reaches 320–380 PS and the VW Golf GTI Mk7 500+ hp.