The 2026 Kia Seltos offers two engine options. The base 2.0-liter four-cylinder produces 146 horsepower on LX, S, and EX trims, returning 31 mpg combined with FWD. The SX trim steps up to a 1.6-liter turbocharged engine producing 195 horsepower through an eight-speed dual-clutch transmission, making it the most powerful option in this comparison by a significant margin.

The 2026 Toyota Corolla Cross gas models use a 2.0-liter four-cylinder producing 169 horsepower with a CVT, achieving 32 mpg combined with FWD and 30 mpg with AWD. A Corolla Cross Hybrid is available with 196 combined horsepower and 42 mpg combined with standard AWD, which is the most fuel-efficient configuration in this segment. For buyers focused strictly on gas mileage, the Corolla Cross Hybrid is the clear winner. For buyers who want available higher performance without moving to a hybrid, the Seltos SX is the only option offering a turbocharged engine.

The 2026 Kia Seltos comes standard with forward collision avoidance assist, blind spot collision warning, rear cross-traffic collision warning, lane keeping assist, and driver attention warning on all trims. Kia's warranty coverage is the most important long-term ownership advantage the Seltos holds: a 10-year/100,000-mile powertrain warranty and a 5-year/60,000-mile basic warranty, compared to Toyota's 5-year/60,000-mile powertrain and 3-year/36,000-mile basic warranty. That means the Seltos has twice the powertrain protection and nearly double the bumper-to-bumper coverage.

On technology, available Seltos trims include dual 10.25-inch panoramic displays combining the gauge cluster and touchscreen into one seamless interface. The base Corolla Cross uses an 8-inch touchscreen, with no panoramic display option regardless of trim. Both vehicles offer wireless Apple CarPlay and Android Auto on mid to upper trims.

The 2026 Kia Seltos delivers its most decisive advantage in rear passenger room. Rear legroom in the Seltos is 38.0 inches compared to just 32.0 inches in the Corolla Cross, a 6-inch difference that makes a clear impact for adults riding in the back seat. Few subcompact SUVs match the Seltos's rear legroom, which is closer to what buyers expect from a compact class vehicle.

Cargo space also strongly favors the Seltos. With rear seats up, the Seltos offers 26.6 cubic feet of cargo space compared to 24.0 cubic feet in the gas-powered Corolla Cross, or 21.5 cubic feet in the AWD Corolla Cross Hybrid due to the hybrid drivetrain components. With seats folded, the Seltos opens up to 62.8 cubic feet versus 46.9 cubic feet in the FWD Corolla Cross — a gap of nearly 16 cubic feet in maximum cargo capacity. A standard dual-level cargo floor on upper Seltos trims adds extra organization options.