K20 vs K24: The Honda K-series engine duel of displacement, power, and swap potential

The article compares Honda's 2.0L K20 and 2.4L K24 engines, noting the K24 increases bore to 87 mm and stroke to 99 mm (raising displacement and deck height) with only about a 9 lb weight gain. Factory power ranges span roughly 156–316 hp for K20 variants (with the turbocharged K20C1 reaching 316 hp) and 160–206 hp for K24 variants (e.g., 206 hp in some). Tuning potential is high: K20s have safely surpassed 1,000 hp with stock crank and up to ~1,400 hp with upgrades, while turbocharged K24s can reach ~500 hp in stock form and up to ~1,600 hp with strengthened components. The K-series’ abundant parts and aftermarket support help fuel widespread swaps into many cars, including non-Hondas, making them a popular choice for performance upgrades.