EZ Kruiser Vyper F-4F vs. Sierra LSV AX3
By The Smith Family, reviewed by Brad · Independent, no paid placement · Last verified Oct 8, 2026
Sierra LSV AX3 takes it. It wins on the better warranty and battery warranty term. These sit in different divisions (value vs. premium), so weigh the price gap accordingly. The full side-by-side of verified specs is below — every figure carries a source and a verification date.
Key takeaways
- The Sierra LSV AX3 beats the EZ Kruiser Vyper F-4F on the better warranty and battery warranty term. They sit in different divisions (value vs premium), so weigh the price gap.
- Vehicle warranty: the Sierra LSV AX3 carries 3 years vs the EZ Kruiser Vyper F-4F's 2.
- Both the EZ Kruiser Vyper F-4F and the Sierra LSV AX3 are factory-certified LSVs, confirmed against the NHTSA vPIC registry.
Head to head · Central Florida Edition
EZ Kruiser Vyper F-4F vs. Sierra LSV AX3
LAST VERIFIED 10/08/2026
| EZ KruiserVyper F-4F | Sierra LSVAX3Winner | |
|---|---|---|
| Price range | — | $15,090 – $15,995dealer price |
| Top speed | 25 mph†1 | 25 mph†2 |
| Top speed as delivered | 20 mph†1 | — |
| Range (low) | — | 30 mi†2 |
| Range (high) | — | 35 mi†2 |
| Battery type | lithium†1 | lithium†2 |
| Battery capacity | 105 Ah†1 | 125 Ah✓†2 |
| System voltage | 48 V†1 | 48 V†2 |
| Seats | 4†1 | 6✓†2 |
| Length | — | 153 in†2 |
| Width | — | 49.5 in†2 |
| Height | — | 81.5 in†2 |
| Curb weight | — | 1,334 lb†2 |
| Motor power | 5 kW†1 | 5 kW†2 |
| Brakes | 4-wheel hydraulic disc†1 | Four-wheel hydraulic disc†2 |
| Display size | 10.1 in†1 | — |
| Warranty | 2 yr†3 | 3 yr✓†4 |
| Battery warranty (total term) | 5 yr†3 | 8 yr✓†5 |
| LSV certified (street-legal capable) | Yes†6 | Yes†2 |
| Range, normalized◆ computed | ~40 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 warranty and battery warranty term. These sit in different divisions (value vs. premium), so weigh the price gap accordingly.
Why it won
◆ Price the fight — Florida out-the-door
EZ Kruiser Vyper F-4Fbase build · FL out-the-door
No sourced base price for the EZ Kruiser Vyper F-4F— we don't estimate what the maker doesn't publish, so this side has no ledger.
Sierra LSV AX3base build · FL out-the-door
est. $262.06/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 EZ Kruiser Vyper F-4F or the Sierra LSV AX3 better?
- Sierra LSV AX3 takes it. It wins on the better warranty and battery warranty term. These sit in different divisions (value vs. premium), so weigh the price gap accordingly.