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AGLCvsBG6BEV
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  • SpecsGLC · G6

Mercedes GLC 400 4MATIC X254 vs Xpeng G6: which is truly faster?

Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.

family SUV · 2025 vs 2023 · Methodology
MercedesBEV

GLC 400 4MATIC X254

489 hp · 800 Nm · 2,535 kg · 2025

VS
XpengBEVFaster

G6

480 hp · 660 Nm · 2,115 kg · 2023

Result · 0–100 km/h

AMercedes GLC 400 4MATIC X254

4.33 s

Gap0.53 sin favour of G6
BXpeng G6

3.80 s

Summary · Caralogy simulation
MeasureGLC 400 4MATIC X254G6Gap
0–100 km/h4.33 s3.80 s0.53 s · G6
400 m standing start12.66 s12.03 s0.63 s · G6
1,000 m standing start23.35 s22.89 s0.46 s · G6
Top speed (electronically limited)210 km/h200 km/h10 km/h · GLC 400 4MATIC X254
Power-to-weight ratio5.18 kg/hp4.41 kg/hpbetter ratio · G6

Watch the race

Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.

MercedesBEVGLC 400 4MATIC X254
Speed
0km/h
Timer
0,00s
Distance
0m
XpengBEVG6
Speed
0km/h
Timer
0,00s
Distance
0m
100 m
200 m
300 m
400 m
500 m
600 m
700 m
800 m
900 m
1000 m
0m → 1000m
Gap0m

Stage-by-stage comparison

Simulated performance at each stage. Best value in bold.
StageGLC 400 4MATIC X254G6
0–30 km/h1.17 s1.06 s · tight gap
0–50 km/h1.94 s1.76 s
0–80 km/h3.21 s2.86 s
0–100 km/h4.33 s3.80 s
0–120 km/h5.77 s5.01 s
0–160 km/h10.06 s8.63 s
0–200 km/h16.35 s13.99 s
400 m standing start12.66 s12.03 s
1,000 m standing start23.35 s22.89 s
Top speed210 km/h200 km/h

Parameters and assumptions

Simulation

Start
Standing, straight line
Surface
Dry asphalt, 23°C
Wind
None
Driver
1 person, 75 kg

Calibration

Splits
0–100, 0–200 manufacturer
Power curve
Real measurement (Caralogy)
VMax
Manufacturer limited
Transmission
Losses integrated in model

Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

Mercedes

GLC 400 4MATIC X254

5,18kg/hpcompensated by −420 kg
CharacteristicValueDetail
Power489 hpPending
Torque800 Nm
Weight2 535 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
Xpeng

G6

4,41kg/hpratio better by 0,78 kg/hp
CharacteristicValueDetail
Power480 hpDual Permanent Magnet Synchronous Motor AWD
Torque660 Nm
Weight2 115 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed fixed gear

The start: 0 to 100 km/h

Off the line, the G6 hits 100 km/h in 3.80 s versus 4.34 s for the GLC 400 4MATIC. At this point, the G6 leads by 0.53 s and sits roughly 5 m ahead.

From 100 km/h to 400 metres

At 200 metres, the G6 is doing 152 km/h against 145 km/h for the GLC 400 4MATIC. The gap is 0.41 s. The challenger starts to claw back ground.

At 400 metres standing start, the G6 crosses the line in 12.03 s versus 12.66 s. The 0.63 s gap represents roughly 31 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the gap narrows. The G6 maxes out at 200 km/h while the GLC 400 4MATIC keeps accelerating towards 210 km/h. At 600 metres, the gap is down to 0.76 s from 0.63 s at 400 metres.

At 1,000 metres, the G6 finishes in 22.89 s versus 23.35 s, with just 0.46 s to spare. The GLC 400 4MATIC fails to fully close the launch gap.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the GLC 400 4MATIC is capped at 210 km/h, the G6 at 200 km/h. This isn’t a physical engine limit - it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.

With two electric powertrains, the difference comes down to power-to-weight ratio (5.18 kg/hp vs 4.41 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 6.65 seconds. The 0.53 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of GLC 400 4MATIC X254
Mercedes GLC 400 4MATIC with EQ Technology

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FordVSXpeng

Mustang Mach-E GT vs G6

Frequently asked questions

Over 0–100 km/h, G6 wins (3,80 s vs 4,33 s).

GLC 400 4MATIC X254 goes from 0 to 100 km/h in 4,33 seconds (calibrated simulation).

GLC 400 4MATIC X254: 489 hp, ratio 5,18 kg/hp. G6: 480 hp, ratio 4,41 kg/hp.

GLC 400 4MATIC X254: 210 km/h. G6: 200 km/h.