SPECS Size Features Upgrades and accessories Nostalgic value Batteries TESTS It’s all well and good determining what the two models have and haven’t got, but what about performance? Which one is the fastest, which one is quicker carrying a set load, and which one will freak out your dog the most? Gravel test Weight test - bag of sugar on its back Dog-scare-ability test “Apple to my dad race” speed test Overall winner
