2025-Kia-K4-GT-Line-2nd-row-2-vertical-carpro .jpg Moving to the back seat, leg and headroom are surprisingly good, I expected it to be tight, but the increased length of the K4 really shows up here.

Notably, that time is behind the outgoing Kia Forte GT, which used its 11 additional horsepower from the same engine and quick-shifting dual-clutch automatic to complete the 0–60 run in 6.4 seconds.

The 2024 Forte GT's $24,690 (plus $1,155 destination) starting price is still a vast delta away from the average new car transaction price in the U.S. these days, but Kia does plenty with that ...

The tested Morning Haze (light gray with a hint of blue and green) K4 was Kia’s top-level GT-Line Turbo meaning it packs the preferred and horsier 1.6-liter turbocharged GDI 4-cylinder engine.

The 2025 Kia K4 GT-Line is stylish and tech-packed but underwhelming in performance with a 2.0L ... the Corolla XSE and old Forte by 0.9 second (8.2 seconds), and the K4 Turbo by a full 2.0 ...

The same 2.0L is used in the LX, LXS, and GT-Line; when you get to the Forte GT (from $24,390), though, you get an upgrade. That's Kia's 1.6-liter turbocharged four-cylinder.

The price tag of the Kia Forte GT makes it that much more impressive. The Forte GT with the dual-clutch transmission has a starting price of just under $24,000.

The 2024 Forte GT's $24,690 (plus $1,155 destination) starting price is still a vast delta away from the average new car transaction price in the U.S. these days, but Kia does plenty with that ...

2025-Kia-K4-GT-Line-2nd-row-2-vertical-carpro .jpg Moving to the back seat, leg and headroom are surprisingly good, I expected it to be tight, but the increased length of the K4 really shows up here.