Rad Power Bikes RadRunner Max vs Tern GSD P10 (Gen 3)
Rad Power Bikes RadRunner Max wins on everyday range (180 lb), throttle range on hills, range with a 280 lb rider, steepest hill at 8 mph, battery, price, max load, top assisted speed; Tern GSD P10 (Gen 3) wins on weight, full charge. For a 180 lb rider in everyday riding, the RadRunner Max goes about 35 miles and the GSD P10 (Gen 3) about 29 miles per charge.
Rad Power Bikes
RadRunner MaxWins 8 of 10 comparisons · $2,299
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Where they differ
A gap under 5% is called a tie: it's inside the model's uncertainty.
| Measure | RadRunner Max | GSD P10 (Gen 3) | Edge |
|---|---|---|---|
| Everyday range (180 lb)16 mph, relaxed pedaling, rolling hills | 35 mi | 29 mi | RadRunner Max |
| Throttle range on hills15 mph, no pedaling, ±4% hills | 25 mi | 19 mi | RadRunner Max |
| Range with a 280 lb riderEveryday scenario | 30 mi | 24 mi | RadRunner Max |
| Steepest hill at 8 mph200 lb rider, throttle only | 17% | 9% | RadRunner Max |
| BatteryRated capacity | 672 Wh | 500 Wh | RadRunner Max |
| PriceBrand store, today | $2,299 | $4,999 | RadRunner Max |
| WeightWith battery | 82 lb | 76.4 lb | GSD P10 (Gen 3) |
| Max loadRider + cargo | 420 lb | 387 lb | RadRunner Max |
| Full chargeStock charger, empty to full | 6.2 h | 3.5 h | GSD P10 (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 53 mi | 36 vs 31 mi | 26 vs 21 mi | 27 vs 21 mi |
| 200 lb | 50 vs 48 mi | 34 vs 28 mi | 24 vs 20 mi | 24 vs 18 mi |
| 250 lb | 45 vs 44 mi | 31 vs 25 mi | 23 vs 19 mi | 21 vs 16 mi |
| 300 lb | 41 vs 41 mi | 29 vs 23 mi | 22 vs 18 mi | 19 vs 15 mi |
RadRunner Max first, then GSD P10 (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.