GEM e4 vs. Star EV J Model 2+2
By The Smith Family, reviewed by Brad · Independent, no paid placement · Last verified Aug 3, 2026
GEM e4 takes it. It wins on the better range and power. These sit in different divisions (premium vs. value), 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 GEM e4 beats the Star EV J Model 2+2 on the better range and power. They sit in different divisions (premium vs value), so weigh the price gap.
- Range: the GEM e4 goes up to 117 mi per charge vs the Star EV J Model 2+2's 34 mi.
- Vehicle warranty: the GEM e4 carries 4 years vs the Star EV J Model 2+2's 2.
- Both the GEM e4 and the Star EV J Model 2+2 are factory-certified LSVs, confirmed against the NHTSA vPIC registry.
Head to head · Tampa Bay Edition
GEM e4 vs. Star EV J Model 2+2
LAST VERIFIED 08/03/2026
| GEMe4Winner | Star EVJ Model 2+2 | |
|---|---|---|
| Top speed | 25 mph†1 | 25 mph†2 |
| Range (low) | — | 34 mi†2 |
| Range (high) | 117 mi✓†1 | 34 mi†2 |
| Battery type | lithium†1 | lithium†2 |
| Battery capacity | — | 105 Ah†2 |
| System voltage | — | 48 V†2 |
| Seats | 4†1 | 4†2 |
| Length | 135 in†1 | 105 in†2 |
| Width | 55.5 in†1 | 47 in†2 |
| Height | 73 in†1 | 75 in†2 |
| Curb weight | 1,135 lb†1 | 1,080 lb†2 |
| Motor power | 6.5 kW✓†1 | 4 kW†2 |
| Motor power (hp) | 8.7 hp†1 | — |
| Brakes | — | Front disc, rear drum with foot parking brake†2 |
| Suspension | — | McPherson coil spring†2 |
| Display size | — | 7 in†2 |
| Warranty | 4 yr✓†1 | 2 yr†2 |
| Battery warranty | 7 yr✓†1 | 6.5 yr†2 |
| LSV certified (street-legal capable) | Yes†3 | Yes†4 |
| Ground clearance | — | 4 in†2 |
| Turning radius | — | 10.2 ft†2 |
| Range, normalized◆ computed | — | ~40 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. These sit in different divisions (premium vs. value), so weigh the price gap accordingly.
Why it won
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 GEM e4 or the Star EV J Model 2+2 better?
- GEM e4 takes it. It wins on the better range and power. These sit in different divisions (premium vs. value), so weigh the price gap accordingly.