BMW 4 Series Convertible (G23 LCI) · Facelift 2024

420d (Stage 1)

228 hp1995 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2024-present
0-100 km/h 6.8 s
Top speed
258 km/h
160 mph

Performance

Performance
Power190 hp / Stage 1: 228 hp286 hp / Stage 1: 343 hp340 hp / Stage 1: 408 hp
Torque
500Nm369lb-ft+100 Nm
Displacement
1,995cc122cu in
Curb weight
1,775kg3,913lb
Gross weight
2,260kg4,982lb
Power-to-weight
128hp/t96kW/t58hp/1000 lb
Calculated
Torque-to-weight
282Nm/t188lb-ft/ton
Calculated
0-100 km/h
6.8s-0.8 s
0-200 km/h
25.6s-7.9 s
Calculated
0-60 mph
6.4s-0.8 s
Calculated
Quarter mile
14.8s-0.7 s
Calculated
Top speed
258 km/h
160 mph
+22 km/h
To 99% top speed
98.0s99% target: 255 km/h / 159 mph-1.0 s
Calculated

Efficiency and range

Efficiency and range
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
Fuel tank
59L
Estimated range
1,017km632mi
Calculated

Engine and drivetrain

Engine and drivetrain
FuelDieselGasoline
EngineB47
Body typeCabriolet / convertible
AspirationTurbocharged
Drive typeRWD
TransmissionAutomatic
Gears8-speed
Engine layoutFront, Longitudinal
Engine configurationInline
Cylinders4
Valves per cylinder4

Dimensions and space

Dimensions and space
Length
4,768mm188in
Width
1,852mm73in
Height
1,384mm54in
Wheelbase
2,851mm112in
Front track
1,573mm62in
Rear track
1,612mm63in
Ground clearance
124mm5in
Trunk volume
300L
Max trunk volume
385L
Doors
2
Seats
4

Performance spider chart

Current vehicle compared with the precomputed median score across the database.

Power benchmark

Current vehicle compared with the database median for Power. Higher is better · hp / kW

Power benchmark
VehicleValue
BMW4 Series Convertible (G23 LCI)Facelift 2024420d (Stage 1)
228 hp
170 kW
Database median
262 hp
195 kW

0-100 km/h benchmark

Current vehicle compared with the database median for 0-100 km/h. Lower is better · s

0-100 km/h benchmark
VehicleValue
BMW4 Series Convertible (G23 LCI)Facelift 2024420d (Stage 1)6.8 s
Database median6.4 s

Top speed benchmark

Current vehicle compared with the database median for Top speed. Higher is better · km/h / mph

Top speed benchmark
VehicleValue
BMW4 Series Convertible (G23 LCI)Facelift 2024420d (Stage 1)
258 km/h
160 mph
Database median
242 km/h
150 mph

Fuel consumption benchmark

Current vehicle compared with the database median for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Fuel consumption benchmark
VehicleValue
BMW4 Series Convertible (G23 LCI)Facelift 2024420d (Stage 1)
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Database median
7.4 L/100 km
31.8 mpg US
38.2 mpg UK

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleBMW 4 Series Convertible (G23 LCI) Facelift 2024 420d (Stage 1)
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK
Cost / 100 km10.15 LC100 km
Cost / 100 mi16.33 LC100 mi
Annual fuel used870 L230 US gal191 UK gal
Annual fuel cost1,523 LC/year

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

BMW 4 Series Convertible (G23 LCI) Facelift 2024 420d (Stage 1)PowerTorque
  • BMW 4 Series Convertible (G23 LCI) Facelift 2024 420d (Stage 1): Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (G23 LCI)Facelift 2024420d (Stage 1)4,000 rpm1,750-2,500 rpm4,250 rpm

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