Skip to main content
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Duel
  3. /Sedans
A530iPetrolvsB420dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs530i · 420d

BMW 530i G30 vs BMW 420d Convertible G22: 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.

grand tourer · 2018 vs 2021 · Methodology
BMWPetrolFaster

530i G30

252 hp · 350 Nm · 1,640 kg · 2018

VS
BMWDiesel

420d Convertible G22

190 hp · 400 Nm · 1,775 kg · 2021

Result · 0–100 km/h

ABMW 530i G30

6.49 s

Gap1.26 sin favour of 530i
BBMW 420d Convertible G22

7.75 s

Summary · Caralogy simulation
Measure530i G30420d Convertible G22Gap
0–100 km/h6.49 s7.75 s1.26 s · 530i G30
400 m standing start14.67 s15.64 s0.97 s · 530i G30
1,000 m standing start26.57 s28.69 s2.12 s · 530i G30
Top speed (electronically limited)248 km/h236 km/h12 km/h · 530i G30
Power-to-weight ratio6.51 kg/hp9.34 kg/hpbetter ratio · 530i G30

Watch the race

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

BMWPetrol530i G30
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel420d Convertible G22
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.
Stage530i G30420d Convertible G22
0–30 km/h1.63 s1.52 s · tight gap
0–50 km/h2.72 s2.64 s · tight gap
0–80 km/h4.72 s5.29 s
0–100 km/h6.49 s7.75 s
0–120 km/h8.75 s10.87 s
0–160 km/h15.15 s20.11 s
0–200 km/h26.28 s37.54 s
400 m standing start14.67 s15.64 s
1,000 m standing start26.57 s28.69 s
Top speed248 km/h236 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.

BMW

530i G30

6,51kg/hpratio better by 2,83 kg/hp
CharacteristicValueDetail
Power252 hp4 cyl
Torque350 Nm
Weight1 640 kgmanufacturer kerb weight
DrivetrainPropulsion
Gearbox8-speed Steptronic
BMW

420d Convertible G22

9,34kg/hpcompensated by −135 kg
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 775 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 530i hits 100 km/h in 6.49 s versus 7.75 s for the 420d Convertible. At this point, the 530i leads by 1.26 s and sits roughly 4 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 530i is doing 127 km/h against 116 km/h for the 420d Convertible. The gap is 0.46 s. The challenger starts to claw back ground.

At 400 metres standing start, the 530i crosses the line in 14.67 s versus 15.64 s. The 0.97 s gap represents roughly 38 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 530i continues to build its lead. At 600 metres, it runs at 177 km/h versus 161 km/h. At 1,000 metres, the 530i finishes in 26.56 s versus 28.69 s, with a 2.12 s lead. Both vehicles have similar top speeds (248 vs 236 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 530i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 420d Convertible at 236 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 (6.51 kg/hp vs 9.34 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 12.82 seconds. The 1.26 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 530i G30
Audi A5 Sedan

Other duels you might be interested in

BMWVSVolvo

530i vs S90 B5 AWD

AudiVSBMW

A4 40 TDI vs 420d Convertible

BMWVSVolvo

530i vs V90 B5 AWD

VolvoVSBMW

S60 B4 vs 420d Convertible

Frequently asked questions

Over 0–100 km/h, 530i G30 wins (6,49 s vs 7,75 s).

530i G30 goes from 0 to 100 km/h in 6,49 seconds (calibrated simulation).

530i G30: 252 hp, ratio 6,51 kg/hp. 420d Convertible G22: 190 hp, ratio 9,34 kg/hp.

530i G30: 248 km/h. 420d Convertible G22: 236 km/h.