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  • SpecsGLC · Q7

Mercedes GLC 400 4MATIC X254 vs Audi Q7 SUV: 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 2026 · Methodology
MercedesBEVFaster

GLC 400 4MATIC X254

489 hp · 800 Nm · 2,535 kg · 2025

VS
AudiDiesel

Q7 SUV

231 hp · 500 Nm · 2,100 kg · 2026

Result · 0–100 km/h

AMercedes GLC 400 4MATIC X254

4.33 s

Gap2.74 sin favour of GLC 400 4MATIC
BAudi Q7 SUV

7.07 s

Summary · Caralogy simulation
MeasureGLC 400 4MATIC X254Q7 SUVGap
0–100 km/h4.33 s7.07 s2.74 s · GLC 400 4MATIC X254
400 m standing start12.66 s15.11 s2.45 s · GLC 400 4MATIC X254
1,000 m standing start23.35 s28.09 s4.74 s · GLC 400 4MATIC X254
Top speed (electronically limited)210 km/h226 km/h16 km/h · Q7 SUV
Power-to-weight ratio5.18 kg/hp9.09 kg/hpbetter ratio · GLC 400 4MATIC X254

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
AudiDieselQ7 SUV
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 X254Q7 SUV
0–30 km/h1.17 s1.17 s
0–50 km/h1.94 s2.22 s
0–80 km/h3.21 s4.70 s
0–100 km/h4.33 s7.07 s
0–120 km/h5.77 s10.12 s
0–160 km/h10.06 s19.20 s
0–200 km/h16.35 s37.54 s
400 m standing start12.66 s15.11 s
1,000 m standing start23.35 s28.09 s
Top speed210 km/h226 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/hpratio better by 3,91 kg/hp
CharacteristicValueDetail
Power489 hpPending
Torque800 Nm
Weight2 535 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
Audi

Q7 SUV

9,09kg/hpcompensated by −435 kg
CharacteristicValueDetail
Power231 hpPending
Torque500 Nm
Weight2 100 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic

The start: 0 to 100 km/h

Off the line, the GLC 400 4MATIC hits 100 km/h in 4.34 s versus 7.07 s for the Q7 SUV. The instant torque of 800 Nm from the electric motor makes the difference. At this point, the GLC 400 4MATIC leads by 2.74 s and sits roughly 11 m ahead.

From 100 km/h to 400 metres

At 200 metres, the GLC 400 4MATIC is doing 145 km/h against 117 km/h for the Q7 SUV. The gap is 1.42 s. The challenger starts to claw back ground.

At 400 metres standing start, the GLC 400 4MATIC crosses the line in 12.66 s versus 15.11 s. The 2.45 s gap represents roughly 95 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the GLC 400 4MATIC continues to build its lead. At 600 metres, it runs at 201 km/h versus 162 km/h. At 1,000 metres, the GLC 400 4MATIC finishes in 23.35 s versus 28.09 s, with a 4.74 s lead. Despite a higher top speed (226 km/h), the Q7 SUV never recovers its launch deficit.

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 Q7 SUV at 226 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.

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 11.95 seconds. The 2.74 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, GLC 400 4MATIC X254 wins (4,33 s vs 7,07 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. Q7 SUV: 231 hp, ratio 9,09 kg/hp.

GLC 400 4MATIC X254: 210 km/h. Q7 SUV: 226 km/h.