The Kia EV6 is available in four variants: the entry-level EV6, the mid-range EV6 Deluxe, the sporty EV6 GT-Line, and the high-performance EV6 GT. All four are 5-door, 5-seat all-electric SUVs.

The Kia EV6 entry-level features a 58 kWh battery with a rear motor producing 170 hp, offering 394 km of range and a 0-100 km/h time of 8.5 seconds. The Kia EV6 Deluxe features a 77.4 kWh battery with a rear motor producing 229 hp, offering 528 km of range and a 7.3-second sprint. The Kia EV6 GT-Line features a 77.4 kWh battery with dual motors producing 325 hp, offering 484 km of range and a 5.2-second sprint. The Kia EV6 GT features a 77.4 kWh battery with dual motors producing 585 hp, offering 424 km of range and a blistering 3.5-second 0-100 km/h time. All four variants support 800V fast charging.

The Kia EV6 entry-level supports 180 kW fast charging, while the Kia EV6 Deluxe, GT-Line, and GT support 240 kW fast charging. Using a 240 kW ultra-fast charger, the Kia EV6 Deluxe, GT-Line, and GT take just 18 minutes to charge from 10% to 80%. With an 11 kW medium-speed charger, the Kia EV6 entry-level takes about 5 hours and 55 minutes to charge from 10% to 80%, while the Kia EV6 Deluxe, GT-Line, and GT take about 7 hours and 20 minutes.

The Kia EV6 entry-level measures 4,680 mm in length, 1,880 mm in width, and 1,550 mm in height. The Kia EV6 Deluxe measures 4,695 mm in length, 1,890 mm in width, and 1,550 mm in height. The Kia EV6 GT-Line and GT measure 4,695 mm in length, 1,890 mm in width, and 1,545 mm in height. All four variants share a 2,900 mm wheelbase. The Kia EV6 Deluxe, GT-Line, and GT are 15 mm longer and 10 mm wider than the entry-level, with the GT-Line and GT being 5 mm lower.