Breaking down the 5.7 hemi vs 6.4 hemi specs

If you're staring at a window sticker or browsing forums, you've probably spent way too much time obsessing over the 5.7 hemi vs 6.4 hemi specs to figure out which V8 belongs in your driveway. It's a classic Mopar dilemma. On one hand, you've got the legendary 5.7L Eagle, an engine that has been the backbone of the Ram 1500 and various Dodge cars for ages. On the other, there's the 6.4L, often called the 392 in cars or the BGE (Big Gas Engine) in the heavy-duty trucks. Both are heavy hitters, but they're built for different jobs and offer very different driving experiences. ...

February 16, 2026 · 6 min · Mahnaz Stacey