The Quick Verdict
Get the Alphard Cybercart Push+. At $299 — essentially the same price as the Speed Cart X at $299.99 — it comes with a published folded size, dual rear brakes, a swivel front wheel, a storage console, a cup holder, an umbrella holder, and a sand-bottle holder, all in the box. The Speed Cart X lists more specs as unpublished than it does as confirmed, which makes it hard to plan around. The Speed Cart X is worth a look if 4.4 lbs less to lift matters to you.
What They Have in Common
Both list at about $299 ($299 and $299.99), and both include an umbrella holder. Both carry a two- or three-year structural warranty. Neither needs a battery. That's about where the overlap ends.
Where They Differ
What you actually know before you buy
This is the sharpest difference on the page. The Alphard Cybercart Push+ folds to 20 × 15.5 × 22 in — roughly 3.9 cubic feet when folded. That 22-inch longest dimension is the number to measure against your trunk floor before you drive to the course. Sun Mountain does not publish a folded size, folded dimensions, or open dimensions for the Speed Cart X. That's not a knock on the cart; it's just a fact that affects how you plan. If your car or your storage shelf has a hard limit, the Alphard gives you a number and the Speed Cart X doesn't.
Weight
The Speed Cart X weighs 18.6 lbs; the Cybercart Push+ weighs 23 lbs. That's a 4.4-lb gap. On the fairway you're pushing it, not carrying it. At the tailgate, lifting 23 lbs into an SUV twice a round is something, and lifting 18.6 lbs is a bit less of something. If your back or shoulder is already a consideration on the push, the lighter cart is worth naming.
What's in the box
The Cybercart Push+ includes a storage console, cup holder, scorecard holder, sand-bottle holder, umbrella holder, and a bungee strap for bag retention. All of it ships with the cart. Sun Mountain publishes an adjustable umbrella holder and a magnetic rangefinder plate as confirmed inclusions for the Speed Cart X. Whether it ships with a cup holder, storage console, or bag strap, Sun Mountain doesn't say — and unpublished isn't absent, so it's not fair to say those things are missing. What is fair to say is that you can plan around what's confirmed on the Alphard, and you're guessing on much of the Speed Cart X.
Stopping and steering
The Cybercart Push+ has dual rear brakes and a swivel front wheel. Sun Mountain doesn't publish a brake type or whether the front wheel swivels on the Speed Cart X. Again: not necessarily absent, just not stated.
Warranty
The Speed Cart X has a 3-year frame warranty with 1 year on other parts. The Alphard carries a 2-year warranty covering everything. If the frame specifically matters to you, Sun Mountain's split warranty has the edge on structural coverage.
The upgrade path
One thing Alphard offers for the Push+: Alphard sells a Motor Upgrade Kit that converts the Cybercart Push+ into a remote-controlled electric caddy. If there's any chance you want a powered option down the road without buying a second cart, that's a real differentiator. (Alphard notes the Cybercart Push+ is not compatible with its Club Booster V2Pro kit — only the dedicated Motor Upgrade Kit.)
Who Should Buy Which
Get the Alphard Cybercart Push+ if:
- You want to know the folded size before you buy — you're measuring against a specific trunk or a closet shelf
- You value knowing exactly what accessories ship in the box
- You like the idea of a future motor upgrade without replacing the whole cart
- You want published dual rear brakes and a swivel front wheel
Get the Sun Mountain Speed Cart X if:
- 4.4 lbs is a genuine consideration — you're managing a shoulder or back issue and every pound at the tailgate counts
- You trust Sun Mountain's frame warranty and stainless-steel fasteners, and the published spec gaps don't bother you
- A magnetic rangefinder plate built into the cart is something you'd actually use
The Bottom Line
These two carts list at virtually the same price — $0.99 apart. The Speed Cart X is 4.4 lbs lighter, and that's a real advantage for anyone who feels that weight at the end of a round. But the Alphard Cybercart Push+ tells you what you're getting before it arrives: folded dimensions, dual rear brakes, a confirmed swivel front, and every accessory accounted for. The Speed Cart X leaves too many specs unpublished to plan around at the same price. The lighter cart is worth considering, but the more legible one is the default.