Kia Stinger GT or Toyota GR Supra A90? They're rivals, so owners often weigh one against the other. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.
At a glance
| Kia Stinger GT | Toyota GR Supra A90 | |
|---|---|---|
| Years | 2017–2023 (facelift from 2021) | 2019–2026 |
| Engine | 3.3 T-GDi twin-turbo V6 (Lambda II) | 3.0 B58 inline-six |
| Stock power | 365–368 hp (US) / 370 PS (EU) | 382 hp / 368 lb-ft (US, 2021+) |
Power by stage
| Kia Stinger GT | Toyota GR Supra A90 | |
|---|---|---|
| Stock | 365–370 hp | 382 hp |
| Stage 1 | 380–480 whp | ≈466–489 hp |
| Stage 2 | 430–530 whp | ≈481–512 hp |
| Stage 3 | 450–650 whp | 600–700+ hp |
| Stage 4 | 650–900+ whp | 800+ hp |
Careful: one car's figures are at the wheels (whp) and the other's at the engine (hp), so they aren't directly comparable. Convert with the crank to wheel calculator.
Typical parts cost
| Kia Stinger GT | Toyota GR Supra A90 | |
|---|---|---|
| Stage 1 | JB4 $599–$799; flash tunes $499–$1,500 (Weistec, Tork, LAP3) or €780 (BR-Performance); plug-in modules €499–€899 (RaceChip, DTE); gearbox tune $150–$1,250 (Burger, Tork, LAP3). | — |
| Stage 2 | downpipes $599.99–$695.75 (Circuit Werks, ARK); intake $379–$629.99 (BMS, aFe, K&N); intercooler $779 (BMS) or $1,499.95 (Mishimoto); Burger 450 whp package $1,299–$1,399. | — |
| Stage 3 | hybrid turbos $1,649.99 with core exchange (Pro Xe), $3,495 (TurboKits TK700) or €2,539.09–€3,108.20 (Muchboost); head studs $695.50 (Tork); port injection $1,999 (BMS). | — |
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 Kia Stinger GT reaches 650–900+ whp and the Toyota GR Supra A90 800+ hp.