The New Balance FuelCell SuperComp Ld-x v3 and New Balance Sydney Levrone SC Md-x v3 are both neutral running shoes with firm, responsive cushioning. The FuelCell SuperComp Ld-x v3 costs about $34 less (from $135.99). The Sydney Levrone SC Md-x v3 is rated higher by buyers (4.2 vs 3.1 out of 5).
Bottom line: Pick the FuelCell SuperComp Ld-x v3 if you want to spend less; pick the Sydney Levrone SC Md-x v3 if you want the more widely reviewed shoe.
Specs side by side
| Spec | FuelCell SuperComp Ld-x v3 | Sydney Levrone SC Md-x v3 |
|---|---|---|
| Price | $135.99 | $169.99 |
| Rating | 3.1 / 5 (19 reviews) | 4.2 / 5 (87 reviews) |
| Weight | 5.4 oz | 5.5 oz |
| Cushioning | Firm / Responsive | Firm / Responsive |
| Support | Neutral | Neutral |
| Surface | Track | Track |
| Available for | Men & Women | Men |
Specs and prices from New Balance, checked 2026-11-02. Weight is usually for a men's size 9–10.
Which should you get?
Get the FuelCell SuperComp Ld-x v3 if…
- you want to spend less
Get the Sydney Levrone SC Md-x v3 if…
- you want the more widely reviewed shoe
More comparisons
- New Balance FuelCell SuperComp Ld-x v3 vs New Balance FuelCell SuperComp Xc-x
- New Balance FuelCell SuperComp Ld-x v3 vs New Balance SuperComp Ld-x v3
- New Balance FuelCell SuperComp Ld-x v3 vs Adidas Adizero Sprintstar
- New Balance FuelCell SuperComp Ld-x v3 vs New Balance FuelCell Flite-D
- New Balance Sydney Levrone SC Md-x v3 vs New Balance SuperComp Ld-x v3
- New Balance Sydney Levrone SC Md-x v3 vs New Balance FuelCell SuperComp Xc-x
- New Balance Sydney Levrone SC Md-x v3 vs Adidas Adizero Sprintstar
- New Balance Sydney Levrone SC Md-x v3 vs New Balance FuelCell Flite-D