Zhíliè sì gāng bǐ V liù jiégòu jiǎndān, chéngběn gèng dī.
An inline four is simpler and cheaper to build than a V6.
Tips
usage
直列 ('straight-arranged') contrasts with V型 ('V-type'); 四缸 is 'four cylinders.' You'll see 直列三缸 (inline-3), 直列六缸 (inline-6, famously BMW's hallmark), and V型六缸 (V6) alongside it on Chinese spec sheets.
