How does it compare?
Speed
The Opibus Roam Air hits a commendable top speed of 75 mph (120 km/h). Thats sufficient thrust to make you feel the wind in your face without tearing the skin off it. The Zero S clocks in at a nifty 86 mph (138 km/h), while the Harley-Davidson LiveWire, despite its cruiser demeanor, surprises with a lofty 95 mph (153 km/h). But if youre lighting the fuse on a power rocket, the Energica Eva Ribelle leaves them all in its ionized dust with a mind-bending 124 mph (200 km/h).
Range
On a single charge, you can expect the Opibus Roam Air to grace you with around 125 miles (201 km) of modest suburban gallivanting. Thrumming close behind, the Zero S boasts a range of 112 miles (180 km), while the Harley-Davidson LiveWire ramps up the range stakes with 146 miles (235 km). The Energica Eva Ribelle, though a speed demon, manages a respectable 125 miles (201 km), tying neck-and-neck with the Roam Air.
Acceleration
When it comes to engaging the launch sequence, the Opibus Roam Air dashes from 0 to 60 mph in roughly 4.3 seconds. The Zero S, with its sportier DNA, clips this feat in 3.3 seconds. The Harley-Davidson LiveWire, just like its petrol brethren, roars its way to the mark in an astonishing 3.0 seconds, while the Italian maestro Energica Eva Ribelle rockets forth in a blitzkrieg 2.8 seconds. Clearly, there’s no tepid response in this league.
Power
With a punchy 12 kW motor, the Opibus Roam Air wont leave you wanting in city motion. However, the Zero S flexes a brawnier 46 kW while the Harley-Davidson LiveWire blazes with 78 kW of American muscle. The powerhouse Energica Eva Ribelle? An eye-watering 108 kW, nearly redefining what’s too much power for two wheels.
Charging Time
Nobody enjoys being tethered to a socket longer than necessary. The Opibus Roam Air regains full vigor in about 3.5 hours using a standard Level 2 charger. The Zero S and its smaller battery will have you back in action in 2.5 hours, while the Harley-Davidson LiveWire mirrors the Roam Air with a 3-hour recharge window. Deft hands at Energica have engineered the Energica Eva Ribelle to guzzle up and get going in merely 30 minutes if youre dialing the fast charge option.
Price
Heres the kicker: the Opibus Roam Air sports a wallet-pleasing tag of $2,050 (£1,500, €1,850). Placing it magnetically appealing alongside the $10,995 (£9,500, €10,000) Zero S. The Harley-Davidson LiveWire commands a rebellious $29,799 (£24,999, €27,900), whereas the luxurious Energica Eva Ribelle, takes indulgence to another voltage level at $35,000 (£28,999, €32,500).

