No, they are not the same tent.
| Feature | Eureka! Horizon 8 | Kelty Kalahari 8 |
|---|---|---|
| Floor Area | ~120 ft² | ~130–140 ft² |
| Peak Height | 6'6" | 6'8"–6'10" |
| Pole System | Fiberglass, clip-on | DAC aluminum, clip + sleeve |
| Weight | ~22 lbs | ~24–26 lbs |
| Price Range | $250–300 | $350–450 |
Horizon = budget family car camping. Kalahari = more space, better venting, higher durability for frequent use. Both 3-season; neither for heavy snow/wind.