Rad Power Bikes RadRunner Max vs Tern HSD P5i (Gen 3)
Rad Power Bikes RadRunner Max wins on throttle range on hills, range with a 280 lb rider, steepest hill at 8 mph, battery, price, max load, top assisted speed; Tern HSD P5i (Gen 3) wins on weight, full charge. For a 180 lb rider in everyday riding, the RadRunner Max goes about 35 miles and the HSD P5i (Gen 3) about 33 miles per charge.
Rad Power Bikes
RadRunner Max35mi everyday
Wins 7 of 10 comparisons · $2,299
Check price at Rad Power Bikes
Where they differ
A gap under 5% is called a tie: it's inside the model's uncertainty.
| Measure | RadRunner Max | HSD P5i (Gen 3) | Edge |
|---|---|---|---|
| Everyday range (180 lb)16 mph, relaxed pedaling, rolling hills | 35 mi | 33 mi | Tie |
| Throttle range on hills15 mph, no pedaling, ±4% hills | 25 mi | 22 mi | RadRunner Max |
| Range with a 280 lb riderEveryday scenario | 30 mi | 27 mi | RadRunner Max |
| Steepest hill at 8 mph200 lb rider, throttle only | 17% | 10% | RadRunner Max |
| BatteryRated capacity | 672 Wh | 545 Wh | RadRunner Max |
| PriceBrand store, today | $2,299 | $4,999 | RadRunner Max |
| WeightWith battery | 82 lb | 61.9 lb | HSD P5i (Gen 3) |
| Max loadRider + cargo | 420 lb | 357 lb | RadRunner Max |
| Full chargeStock charger, empty to full | 6.2 h | 3.8 h | HSD P5i (Gen 3) |
| Top assisted speedBrand spec | 28 mph | 20 mph | RadRunner Max |
Range at every rider weight
| Rider | Easy 12 mph | Everyday 16 mph | Fast 20 mph | Throttle, hills |
|---|---|---|---|---|
| 150 lb | 56 vs 60 mi | 36 vs 34 mi | 26 vs 23 mi | 27 vs 24 mi |
| 200 lb | 50 vs 54 mi | 34 vs 32 mi | 24 vs 22 mi | 24 vs 21 mi |
| 250 lb | 45 vs 50 mi | 31 vs 28 mi | 23 vs 21 mi | 21 vs 18 mi |
| 300 lb | 41 vs 46 mi | 29 vs 26 mi | 22 vs 20 mi | 19 vs 16 mi |
RadRunner Max first, then HSD P5i (Gen 3). 70°F, pavement, new battery. Scenarios: Easy cruise: 12 mph, relaxed pedaling, flat; Everyday: 16 mph, relaxed pedaling, rolling hills; Fast commute: 20 mph, relaxed pedaling, rolling hills; Throttle only: 15 mph, no pedaling, hilly.
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