Breezy EV Siera 4 vs. MadJax Ascent
By The Smith Family, reviewed by Brad · Independent, no paid placement · Last verified Oct 3, 2026
MadJax Ascent takes it. It wins on the better range and warranty. The full side-by-side of verified specs is below — every figure carries a source and a verification date.
Key takeaways
- The MadJax Ascent beats the Breezy EV Siera 4 on the better range and warranty.
- Range: the MadJax Ascent goes up to 60 mi per charge vs the Breezy EV Siera 4's 50 mi.
- Vehicle warranty: the MadJax Ascent carries 3 years vs the Breezy EV Siera 4's 2.
- Florida out-the-door (6% state sales tax + ~1% county surtax on the first $5,000, FLHSMV title + initial registration): the Breezy EV Siera 4 lands about $12,007 and the MadJax Ascent about $14,657, base build before kits and dealer-quoted delivery.
- Both the Breezy EV Siera 4 and the MadJax Ascent are factory-certified LSVs, confirmed against the NHTSA vPIC registry.
Head to head · Tampa Bay Edition
Breezy EV Siera 4 vs. MadJax Ascent
LAST VERIFIED 10/03/2026
| Breezy EVSiera 4 | MadJaxAscentWinner | |
|---|---|---|
| MSRP range | $10,995 | $13,495 |
| Top speed | — | 25 mph†1 |
| Range (low) | — | 50 mi†2 |
| Range (high) | 50 mi†3 | 60 mi✓†2 |
| Battery type | lithium†4 | lithium†1 |
| Battery capacity | 125 Ah✓†3 | 105 Ah†1 |
| System voltage | 48 V†3 | 51.2 V†1 |
| Seats | 4†3 | 4†1 |
| Length | 111.8 in†3 | 118.1 in†1 |
| Width | 47.6 in†3 | 51 in†1 |
| Height | 77.2 in†3 | 79.3 in†1 |
| Curb weight | — | 1,322 lb†1 |
| Motor power | 5 kW✓†3 | 4 kW†1 |
| Brakes | 4 wheel disc brake + electronic parking†3 | Front and rear hydraulic disc; electromechanical parking brake†1 |
| Suspension | Front: four-arm independent; Rear: leaf spring with damper†3 | Double-wishbone independent front; rear leaf spring with telescopic shock and sway bar†1 |
| Display size | 9 in†4 | 10 in✓†1 |
| Warranty | 2 yr†5 | 3 yr✓†6 |
| Battery warranty (total term) | 8 yr†7 | 12 yr✓†1 |
| Battery full-replacement coverage | 2 yr†7 | 6 yr✓†8 |
| Battery warranty terms | — | 12 years (Bolt Energy pack): 6 years full replacement, then 6 years prorated†8 |
| LSV certified (street-legal capable) | Yes†9 | Yes†10 |
| Ground clearance | 5.2 in†3 | — |
| Range, normalized◆ computed | ~48 mi✓ | ~43 mi |
◆ Range, normalized is our figure, not the maker's: each pack's energy at a standard 0.125 kWh/mile, the same on every cart — an apples-to-apples check on the “up to” range claims above, which are usually measured at 19 mph on the largest optional pack.
◆ The verdict
It wins on the better range and warranty.
Why it won
◆ Price the fight — Florida out-the-door
Florida out-the-door estimates (6% state sales tax + ~1% county surtax on the first $5,000, FLHSMV title + initial registration): the Breezy EV Siera 4 lands at about $12,007 and the MadJax Ascent at about $14,657, base build, before kits and dealer-quoted delivery.
Breezy EV Siera 4base build · FL out-the-door
est. $192.48/mo — 20% down, 7.5% APR, 60 mo. Confirm real rates with the lender.
MadJax Ascentbase build · FL out-the-door
est. $234.96/mo — 20% down, 7.5% APR, 60 mo. Confirm real rates with the lender.
METHODOLOGY — what's verified, what's estimated
Green ✓ marks the better verified figure where the two differ. Verdict scored on the verified specs above — factory-LSV status gates the win.
Rather skip the configurator? Get a dealer quote on either cart:
Frequently asked
- Is the Breezy EV Siera 4 or the MadJax Ascent better?
- MadJax Ascent takes it. It wins on the better range and warranty.
- What do the Siera 4 and Ascent cost out the door in Florida?
- Florida out-the-door estimates (6% state sales tax + ~1% county surtax on the first $5,000, FLHSMV title + initial registration): the Breezy EV Siera 4 lands at about $12,007 and the MadJax Ascent at about $14,657, base build, before kits and dealer-quoted delivery. MSRPs are verified and sourced; taxes and fees are labeled estimates with the method disclosed. Configure both carts with kits at golfcartshowdown.com/build/compare.