Car comparison

BMW X1 (U11) M35ivsBMW 4 Series Convertible (G23) 430d

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

BMW X1 (U11)

M35i

300 hp1998 ccGasolineAWDAutomaticTurbocharged2023-present
VS

BMW 4 Series Convertible (G23)

430d

286 hp2993 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2021-2024

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

BMW X1 (U11) M35i

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    300 hp
    224 kW
  • Lightest
    1,665 kg
    3,671 lb
  • Best power-to-weight
    180 hp/t
    134 kW/t
    5.6 kg/hp
  • Largest trunk
    540 L
  • Best overall score
    69/100
  • Best practicality score
    76/100

BMW 4 Series Convertible (G23) 430d

  • Highest torque
    650 Nm
    479 lb-ft
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Best estimated range
    983 km
    611 mi
  • Best performance score
    68/100
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelBMWX1 (U11)M35iBMW4 Series Convertible (G23)430d
Power
300hp224kW
286hp213kW
Torque
400Nm295lb-ft
650Nm479lb-ft
Curb weight
1,665kg3,671lb
1,880kg4,145lb
Gross weight
2,240kg4,938lb
2,380kg5,247lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
72.8s99% target: 257 km/h / 160 mph
Calculated
83.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.4s
5.8s
0-200 km/h
19.4s
Calculated
21.5s
Calculated
0-60 mph
5.1s
Calculated
5.5s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
6L/100 km39.2mpg US47.1mpg UK
Quarter mile
13.5s
Calculated
13.9s
Calculated
Power-to-weight
180hp/t134kW/t82hp/1000 lb
Calculated
152hp/t113kW/t69hp/1000 lb
Calculated
Torque-to-weight
240Nm/t161lb-ft/ton
Calculated
346Nm/t231lb-ft/ton
Calculated
Estimated range
635km395mi
Calculated
983km611mi
Calculated
Displacement
1,998cc122cu in
2,993cc183cu in
Length
4,505mm177in
4,768mm188in
Width
1,845mm73in
1,852mm73in
Height
1,622mm64in
1,384mm54in
Wheelbase
2,692mm106in
2,851mm112in
Front track
1,585mm62in
1,573mm62in
Rear track
1,587mm62in
1,612mm63in
Ground clearance
189mm7in
124mm5in
Trunk volume
540L
300L
Max trunk volume
1,600L
385L
Doors
5
2
Seats
5
4
Fuel tank
54L
59L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

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

BMW X1 (U11) M35iBMW 4 Series Convertible (G23) 430dPowerTorque
  • BMW X1 (U11) M35i: Power / Torque
  • BMW 4 Series Convertible (G23) 430d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWX1 (U11)M35i5,750-6,500 rpm2,000-4,500 rpm6,750 rpm
BMW4 Series Convertible (G23)430d4,000 rpm1,500-2,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWX1 (U11)M35iBMW4 Series Convertible (G23)430d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.5 s
0-100 km/h
0-62 mph
5.4 s
5.8 s
0-200 km/h
0-124 mph
19.4 s
21.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.9 s
6.0 s
1/8 mile
201 m
8.9 s
9.1 s
1000 ft
305 m
11.4 s
11.7 s
1/4 mile
402 m
13.5 s
13.9 s
Trap speed
1/4 mile
402 m
171 km/h
106 mph
166 km/h
103 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
BMWX1 (U11)M35i
300 hp
224 kW
BMW4 Series Convertible (G23)430d
286 hp
213 kW

BMW X1 (U11) M35i has 14 hp more than BMW 4 Series Convertible (G23) 430d.

The biggest power difference is between BMW 4 Series Convertible (G23) 430d and BMW X1 (U11) M35i: 14 hp (10 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
BMWX1 (U11)M35i
400 Nm
295 lb-ft
BMW4 Series Convertible (G23)430d
650 Nm
479 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
BMWX1 (U11)M35i
1,665 kg
3,671 lb
BMW4 Series Convertible (G23)430d
1,880 kg
4,145 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BMWX1 (U11)M35i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (G23)430d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BMWX1 (U11)M35i5.4 s
BMW4 Series Convertible (G23)430d5.8 s

The biggest 0-100 km/h difference is between BMW X1 (U11) M35i and BMW 4 Series Convertible (G23) 430d: 0.4 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWX1 (U11)M35i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (G23)430d
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

The biggest fuel consumption difference is between BMW 4 Series Convertible (G23) 430d and BMW X1 (U11) M35i: 2.5 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
BMWX1 (U11)M35i
180 hp/t
134 kW/t
5.5 kg/hp
BMW4 Series Convertible (G23)430d
152 hp/t
113 kW/t
6.6 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMWX1 (U11)M35i
635 km
395 mi
BMW4 Series Convertible (G23)430d
983 km
611 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWX1 (U11)M35i
300 hp
224 kW
5.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW4 Series Convertible (G23)430d
286 hp
213 kW
5.8 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
BMWX1 (U11)M35i
Power
300 hp
224 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
4,505 mm
177.4 in
Height
1,622 mm
63.9 in
BMW4 Series Convertible (G23)430d
Power
286 hp
213 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMWX1 (U11)M35i
Power
300 hp
224 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (G23)430d
Power
286 hp
213 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

BMW 4 Series Convertible (G23) 430d is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
BMWX1 (U11)M35i
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
5.4 s
BMW4 Series Convertible (G23)430d
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
5.8 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMWX1 (U11)M35i
180 hp/t
134 kW/t
5.6 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
BMW4 Series Convertible (G23)430d
152 hp/t
113 kW/t
6.6 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWX1 (U11)M35iBMW4 Series Convertible (G23)430d
Power
300 hp
224 kW
286 hp
213 kW
Torque
400 Nm
295 lb-ft
650 Nm
479 lb-ft
Acceleration
5.4 s
5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,665 kg
3,671 lb
1,880 kg
4,145 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
540 L
19.1 cu ft
Length
4,505 mm
177.4 in
Height
1,622 mm
63.9 in
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,768 mm
187.7 in
Height
1,384 mm
54.5 in
Range score
635 km
395 mi
983 km
611 mi
Trunk score
540 L
19.1 cu ft
300 L
10.6 cu ft
Power-to-weight score
180 hp/t
134 kW/t
5.6 kg/hp
152 hp/t
113 kW/t
6.6 kg/hp
Overall
Fixed score
Fixed score

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 X1 (U11) M35iBMW 4 Series Convertible (G23) 430d
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK6 L/100 km39.2 mpg US47.1 mpg UK
Cost / 100 km14.88 LC100 km10.50 LC100 km
Cost / 100 mi23.94 LC100 mi16.90 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal900 L238 US gal198 UK gal
Annual fuel cost2,231 LC/year1,575 LC/year

Head-to-head comparisons

BMW X1 (U11) M35i

  • Has 14 hp more
  • Is 215 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 28 hp/t better power-to-weight
  • Has 240 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption

BMW 4 Series Convertible (G23) 430d

  • Has 250 Nm more
  • Uses 2.5 L/100 km less fuel
  • Has 348 km (216 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW X1 (U11) M35i
BMW 4 Series Convertible (G23) 430d
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