Porsche 911 GT3 991.1 vs Jeep Grand Cherokee 4xe : which one is faster?
0-100 km/h, 400 m, 1000 m, top speed — physics simulation calibrated on 7 measures.
400 mSimulation de performance
Race simulation at real speed
CONFIDENCE 97%Calibrated physics simulation: SCx via VMax, power curves, Crr via WLTP, drivetrain losses. Manufacturer 0-100 is the calibration target. Confidence 97 %.
911 GT3 vs Grand Cherokee 4xe: chronicle of a drag race at 313 km/h
The launch: 0 to 100 km/h
Off the line, the 911 GT3 hits 100 km/h in 4.08 s versus 6.04 s for the Grand Cherokee 4xe. At this point, the 911 GT3 leads by 1.96 s and sits roughly 17 m ahead.
From 100 km/h to 400 metres
At 200 metres, the 911 GT3 is doing 158 km/h against 130 km/h for the Grand Cherokee 4xe. The gap is 1.52 s. The challenger starts to claw back ground.
At 400 metres standing start, the 911 GT3 crosses the line in 11.85 s versus 14.27 s. The 2.41 s gap represents roughly 104 m of track — a gap visible to the naked eye.
Beyond 400 metres: top speed comes into play
Past 400 metres, the 911 GT3 continues to build its lead. At 600 metres, it runs at 225 km/h versus 182 km/h. At 1,000 metres, the 911 GT3 finishes in 21.23 s versus 25.86 s, with a 4.62 s lead.
What the numbers don’t tell you
Electronically capped at 210 km/h, the Grand Cherokee 4xe 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.
With two combustion powertrains, the difference comes down to power-to-weight ratio (3.16 kg/hp vs 6.62 kg/hp) and transmission (Manual vs Automatic).
In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.33 seconds. The 1.96 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.
Porsche 911 GT3 has a clear edge over the Jeep Grand Cherokee 4xe to 100 km/h. This difference is clearly noticeable in spirited driving and widens on standing starts.