Head-to-Head Comparison
ASICS · Trail

Fuji Lite 5

76
ASICS Fuji Lite 5
Stack33mm
Weight255g
Drop4mm
New Balance · Trail

FuelCell Summit Unknown v4

76
New Balance FuelCell Summit Unknown v4
Stack32mm
Weight272g
Drop6mm

Key Differences & Advantages

Dead even (76 PTS)

Why choose Fuji Lite 5?Buy Fuji Lite 5 if

+0.9 Weight Efficiency

+0.9 Weight Efficiency: Better measured rating in wear-test consensus.

Why choose FuelCell Summit Unknown v4?Buy FuelCell Summit Unknown v4 if

+0.6 Durability

+0.6 Durability: Better measured rating in wear-test consensus.

The Runner's Pick

Final Decision: Who Buys Which Model?

Side-by-side selection criteria grounded in verified mechanical specs

ASICS Fuji Lite 5
ASICS

Fuji Lite 5

76
Choose the Fuji Lite 5 if:

Choose the Fuji Lite 5 if your priority is an ultralight chassis with effortless turnover powered by FF BLAST PLUS eco-friendly foam (255g). It is the better match for runners targeting minimizing leg fatigue across late-mile splits over the FuelCell Summit Unknown v4's focus on race-pace velocity and responsive tempo efforts.

4mm drop · 255g · $130Audit
New Balance FuelCell Summit Unknown v4
New Balance

FuelCell Summit Unknown v4

76
Choose the FuelCell Summit Unknown v4 if:

Choose the FuelCell Summit Unknown v4 if your priority is heavy-duty outsole coverage and resilient midsole longevity powered by FuelCell rebound foam paired with a tpu plate (272g). It is the better match for runners targeting logging 400+ grueling training miles without early breakdown over the Fuji Lite 5's focus on high-mileage protection and low-impact recovery cruising.

6mm drop · 272g · $130Audit
!

Dealbreaker Warnings · Who Should Skip These

Critical biomechanical trade-offs to avoid buying the wrong shoe

ASICS Fuji Lite 5

Skip Fuji Lite 5 if your mileage includes paved asphalt or concrete; aggressive 4mm lugs wear rapidly on hard surfaces and cause harsh ground shock.

New Balance FuelCell Summit Unknown v4

Skip FuelCell Summit Unknown v4 if your mileage includes paved asphalt or concrete; aggressive 5mm lugs wear rapidly on hard surfaces and cause harsh ground shock.

8-Axis Telemetry Radar

Dead even · 76 PTS

Fuji76vsFuelCell76
CushioningEnergy ReturnWeight EfficiencyStabilityTractionUpper ComfortBreathabilityDurability
🔬 Inspect Granular Lab Specs & Fit Telemetry▼

Fit & Sizing Consensus

Real-world wear-test consensus across runner foot profiles

Fuji Lite 5
FuelCell Summit Unknown v4
Sizing LengthMatch
Runs Small
True to Size
Fuji84%FuelCell82%
Runs Large
Fuji Lite 5: True to size(n=26)
FuelCell Summit Unknown v4: True to size(n=22)
Toe Box WidthMatch
Performance Tight
Standard
Fuji78%FuelCell76%
Wide
Fuji Lite 5: Standard width(n=22)
FuelCell Summit Unknown v4: Standard width(n=19)
Arch SupportMatch
Flat / Low
Neutral Stability
Fuji74%FuelCell72%
High Arch
Fuji Lite 5: Neutral stability / moderate arch(n=18)
FuelCell Summit Unknown v4: Neutral stability / moderate arch(n=15)
ASICS Fuji Lite 5 vs New Balance FuelCell Summit Unknown v4 — eight cohort-calibrated radar axes scored one to ten. Delta is Fuji Lite 5 minus FuelCell Summit Unknown v4; positive favors Fuji Lite 5. Score provenance: v1.0, data vintage 2026-10-27. Meta-Score weights score band names.
RADAR AXISFuji Lite 5FuelCell Summit Unknown v4Δ DELTACOHORT RANK
Cushioning & Softness7.57.1+0.4 (Fuji Lite 5 higher by 0.4)#21/28
Energy Return & Bounce7.37.5−0.2 (FuelCell Summit Unknown v4 higher by NaN)#21/28
Weight Efficiency8.07.1+0.9 (Fuji Lite 5 higher by 0.9)#21/28
Stability & Support7.17.4−0.3 (FuelCell Summit Unknown v4 higher by NaN)#21/28
Traction & Grip8.28.5−0.3 (FuelCell Summit Unknown v4 higher by NaN)#21/28
Upper Comfort & Lockdown7.87.4+0.4 (Fuji Lite 5 higher by 0.4)#21/28
Breathability7.77.3+0.4 (Fuji Lite 5 higher by 0.4)#21/28
Durability6.97.5−0.6 (FuelCell Summit Unknown v4 higher by NaN)#21/28
Meta-Score76contender76contender0.0Calibrated

The Record · Specification Telemetry

Cohort-relative percentiles and verified technical specs

Fuji Lite 5
FuelCell Summit Unknown v4
Weight (US Men's 9)Lighter than 80% of daily trainers
Fuji Lite 5255g
FuelCell Summit Unknown v4272g

›ASICS Fuji Lite 5 saves 17g per stride, noticeable after mile 6 of continuous running.

Heel Cushion StackMore underfoot foam than 45% of trainers
Fuji Lite 533.0mm
FuelCell Summit Unknown v432.0mm

›ASICS Fuji Lite 5 delivers 1.0mm more vibration isolation for long recovery efforts than FuelCell Summit Unknown v4.

Heel-to-Toe DropΔ 2.0mm
Fuji Lite 54.0mm
FuelCell Summit Unknown v46.0mm

›FuelCell Summit Unknown v4's 6mm drop shifts load toward the knees/quads, while Fuji Lite 5's 4mm drop engages the Achilles and calves.

Midsole Foam & Energy ReturnHigher rebound than 77% of tested foams
FF BLAST PLUS eco-friendly foam7.3/10
FuelCell rebound foam7.5/10

›FuelCell rebound foam yields a springier, high-rebound toe-off compared to FF BLAST PLUS eco-friendly foam's grounded, stable feel.

Outsole Durability & TractionTougher rubber than 79% of road shoes
ASICSGRIP sticky trail rubber6.9/10
HydroHesion high-traction sticky rubber7.5/10

›FuelCell Summit Unknown v4 utilizes HydroHesion high-traction sticky rubber compound formulated for extended 500+ mile abrasive asphalt longevity.

Quiver Overlap

Direct Trail Rivals

2-Shoe Rotation Strategy

Both models occupy the exact same trail slot on your shoe rack. Rather than buying both, runner consensus suggests picking the lighter Fuji Lite 5 (255g) for quicker cadence, or the FuelCell Summit Unknown v4 for its FuelCell rebound foam ride feel and structure.

Fuji Lite 5 RoleTrail Workhorse
FuelCell Summit Unknown v4 RoleAlternative Trail

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