BYD Dolphin Active 70kW vs Hyundai i20 1.2 MPi : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
Simulation de performance
Race simulation at real speed
CONFIDENCE 98%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 98 %.
Dolphin Active 70kW vs i20 1.2 MPi: chronicle of a drag race at 175 km/h
The launch: 0 to 100 km/h
Off the line, the Dolphin Active 70kW hits 100 km/h in 12.34 s versus 12.92 s for the i20 1.2 MPi. The instant torque of 180 Nm from the electric motor makes the difference. The 0.58 s gap is negligible: both vehicles are neck and neck.
From 100 km/h to 400 metres
At 200 metres, the Dolphin Active 70kW is doing 101 km/h against 98 km/h for the i20 1.2 MPi. The gap is 0.02 s. The challenger starts to claw back ground.
At 400 metres standing start, the Dolphin Active 70kW crosses the line in 18.84 s versus 18.95 s. The 0.10 s gap represents roughly 3 m of track — barely a car length.
Beyond 400 metres: top speed comes into play
Past 400 metres, the Dolphin Active 70kW continues to build its lead. At 600 metres, it runs at 136 km/h versus 135 km/h. At 1,000 metres, the Dolphin Active 70kW finishes in 34.35 s versus 34.60 s, with a 0.25 s lead. Despite a higher top speed (175 km/h), the i20 1.2 MPi never recovers its launch deficit.
What the numbers don’t tell you
Electronically capped at 150 km/h, the Dolphin Active 70kW never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor — it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.
Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 21.75 seconds. The 0.58 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
BYD Dolphin Active 70kW has a clear edge over the Hyundai i20 1.2 MPi to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.