MadJax Ascent vs. Sierra LSV AX5
By The Smith Family, reviewed by Brad · Independent, no paid placement · Last verified Sep 25, 2026
MadJax Ascent takes it. It wins on the better range and power. 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 Sierra LSV AX5 on the better range and power.
- Range: the MadJax Ascent goes up to 60 mi per charge vs the Sierra LSV AX5's 45 mi.
- Both the MadJax Ascent and the Sierra LSV AX5 are factory-certified LSVs, confirmed against the NHTSA vPIC registry.
Head to head · Tampa Bay Edition
MadJax Ascent vs. Sierra LSV AX5
LAST VERIFIED 09/25/2026
| MadJaxAscentWinner | Sierra LSVAX5 | |
|---|---|---|
| MSRP range | $13,495 | — |
| Top speed | 25 mph†1 | 25 mph†2 |
| Range (low) | 50 mi✓†3 | 40 mi†2 |
| Range (high) | 60 mi✓†3 | 45 mi†2 |
| Battery type | lithium†1 | lithium†2 |
| Battery capacity | 105 Ah†1 | 125 Ah✓†2 |
| System voltage | 51.2 V†1 | 48 V†2 |
| Seats | 4✓†1 | 2†2 |
| Length | 118.1 in†1 | 96 in†2 |
| Width | 51 in†1 | 49.5 in†2 |
| Height | 79.3 in†1 | 72 in†2 |
| Curb weight | 1,322 lb†1 | 925 lb†2 |
| Motor power | 6.3 kW✓†1 | 5 kW†2 |
| Brakes | Front and rear hydraulic disc; electromechanical parking brake†1 | Four-wheel hydraulic disc†2 |
| Suspension | Double-wishbone independent front; rear leaf spring with telescopic shock and sway bar†1 | — |
| Display size | 10 in†1 | — |
| Warranty | 3 yr†3 | — |
| Battery warranty | 12 yr†1 | — |
| LSV certified (street-legal capable) | Yes†4 | Yes†2 |
| Range, normalized◆ computed | ~43 mi | ~48 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 power.
Why it won
◆ Price the fight — Florida out-the-door
MadJax Ascentbase build · FL out-the-door
est. $234.96/mo — 20% down, 7.5% APR, 60 mo. Confirm real rates with the lender.
Sierra LSV AX5base build · FL out-the-door
No sourced base price for the Sierra LSV AX5— we don't estimate what the maker doesn't publish, so this side has no ledger.
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 MadJax Ascent or the Sierra LSV AX5 better?
- MadJax Ascent takes it. It wins on the better range and power.