New Balance FuelCell Rebel v4 vs Saucony Endorphin Speed 4

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New Balance FuelCell Rebel v4
New Balance

New Balance FuelCell Rebel v4

vs
Saucony Endorphin Speed 4
Saucony

Saucony Endorphin Speed 4

LoveBar
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💕 LoveBar Verdict

Rebel v4 is the playful speedster, Endorphin Speed 4 is the focused racer — both make fast feel fun.

How They Compare

The things that actually matter 💅

☁️ Cloud Walk
New Balance FuelCell Rebel v4 wins
💡 Rebel v4 FuelCell foam gives a bouncier, more playful ride
💅 Head Turner
Saucony Endorphin Speed 4 wins
💡 Endorphin Speed 4 has a more streamlined race-day look
💪 Built Different
Saucony Endorphin Speed 4 wins
💡 Endorphin Speed 4 outsole lasts through tougher training
🔥 Street Cred
Basically the same
💡 Both have devoted fan bases in the running community
💸 Flex or Finesse?
New Balance FuelCell Rebel v4 wins
💡 Rebel v4 handles both easy runs and speed days

Pick Your Side 💜

Which one stole your heart?

or
You picked! The LoveBar is updating 🎉

Which One Is For You?

Two amazing products, two different vibes ✨

💙
The Fun Run Enthusiast
New Balance FuelCell Rebel v4 lover
  • You want a shoe that makes every run feel like play
  • You like bouncy energy return that puts a spring in your step
  • You need something for easy days that can also handle speed
💜
The Training Plan Executor
Saucony Endorphin Speed 4 lover
  • You want a nylon plate shoe built for structured speed work
  • You like your fast shoes to feel snappy and efficient
  • You need a shoe that focuses your energy forward

The Full Story

LoveBar's deep-dive, written for humans 💕

New Balance FuelCell Rebel v4 and Saucony Endorphin Speed 4 are two of the most beloved shoes in any serious runner's rotation, and they approach speed from completely different angles. The Rebel v4 is the party animal — bouncy FuelCell foam makes every step feel energized, and the overall vibe is more playful than aggressive. It is the shoe that makes easy runs feel faster and speed days feel easier. People who own Rebels tend to reach for them more than any other shoe in their closet. The Endorphin Speed 4 is more focused — there is a nylon plate in there that propels you forward, and the SPEEDROLL geometry creates a sensation of efficient momentum. It is built for tempo runs, threshold workouts, and even race day for those who want to save their super shoes. The Rebel makes running feel fun. The Speed makes running feel purposeful. Both will put a smile on your face at the end of a hard session, they just get there differently.