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AQ8vsBGLCDiesel
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  • PerformancePerformance0-100, top speed
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  • SpecsQ8 · GLC

Audi Q8 SUV vs Mercedes GLC 220 d 4MATIC X254: 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.

large SUV · 2026 vs 2023 · Methodology
AudiDieselFaster

Q8 SUV

231 hp · 500 Nm · 2,160 kg · 2026

VS
MercedesDiesel

GLC 220 d 4MATIC X254

197 hp · 440 Nm · 1,910 kg · 2023

Result · 0–100 km/h

AAudi Q8 SUV

6.93 s

Gap0.84 sin favour of Q8 SUV
BMercedes GLC 220 d 4MATIC X254

7.77 s

Summary · Caralogy simulation
MeasureQ8 SUVGLC 220 d 4MATIC X254Gap
0–100 km/h6.93 s7.77 s0.84 s · Q8 SUV
400 m standing start15.04 s15.67 s0.63 s · Q8 SUV
1,000 m standing start27.78 s28.57 s0.79 s · Q8 SUV
Top speed (electronically limited)226 km/h222 km/h4 km/h · Q8 SUV
Power-to-weight ratio9.35 kg/hp9.70 kg/hpbetter ratio · Q8 SUV

Watch the race

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

AudiDieselQ8 SUV
Speed
0km/h
Timer
0,00s
Distance
0m
MercedesDieselGLC 220 d 4MATIC X254
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.
StageQ8 SUVGLC 220 d 4MATIC X254
0–30 km/h1.31 s1.65 s
0–50 km/h2.33 s2.83 s
0–80 km/h4.69 s5.50 s
0–100 km/h6.93 s7.77 s
0–120 km/h9.81 s10.79 s
0–160 km/h18.24 s19.54 s
0–200 km/h34.32 s36.44 s
400 m standing start15.04 s15.67 s
1,000 m standing start27.78 s28.57 s
Top speed226 km/h222 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.

Audi

Q8 SUV

9,35kg/hpratio better by 0,34 kg/hp
CharacteristicValueDetail
Power231 hpPending
Torque500 Nm
Weight2 160 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Mercedes

GLC 220 d 4MATIC X254

9,70kg/hpcompensated by −250 kg
CharacteristicValueDetail
Power197 hpPending
Torque440 Nm
Weight1 910 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox9G-Tronic

The start: 0 to 100 km/h

Off the line, the Q8 SUV hits 100 km/h in 6.93 s versus 7.77 s for the GLC 220 d 4MATIC. At this point, the Q8 SUV leads by 0.84 s and sits roughly 12 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Q8 SUV is doing 119 km/h against 116 km/h for the GLC 220 d 4MATIC. The gap is 0.53 s. The challenger starts to claw back ground.

At 400 metres standing start, the Q8 SUV crosses the line in 15.03 s versus 15.67 s. The 0.63 s gap represents roughly 25 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Q8 SUV continues to build its lead. At 600 metres, it runs at 165 km/h versus 163 km/h. At 1,000 metres, the Q8 SUV finishes in 27.77 s versus 28.57 s, with a 0.79 s lead. Both vehicles have similar top speeds (226 vs 222 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Q8 SUV is capped at 226 km/h, the GLC 220 d 4MATIC at 222 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 combustion powertrains, the difference comes down to power-to-weight ratio (9.35 kg/hp vs 9.70 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.53 seconds. The 0.84 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 Q8 SUV
BMW X4 xDrive25dBMW X4 xDrive20dBMW X4 xDrive20d
Instead of GLC 220 d 4MATIC X254
BMW X5 xDrive25d

Other duels you might be interested in

AudiVSBMW

Q8 SUV vs X5 xDrive25d

AudiVSMercedes

Q5 Sportback vs GLC 220 d 4MATIC

PorscheVSAudi

Cayenne Diesel vs Q8 SUV

MercedesVSBMW

GLC 220 d 4MATIC vs X3 xDrive20d

Frequently asked questions

Over 0–100 km/h, Q8 SUV wins (6,93 s vs 7,77 s).

Q8 SUV goes from 0 to 100 km/h in 6,93 seconds (calibrated simulation).

Q8 SUV: 231 hp, ratio 9,35 kg/hp. GLC 220 d 4MATIC X254: 197 hp, ratio 9,70 kg/hp.

Q8 SUV: 226 km/h. GLC 220 d 4MATIC X254: 222 km/h.