Car comparison

BMW 2 Series Convertible (F23) 228ivsBMW X5 (F15) 30d

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

New comparison

BMW 2 Series Convertible (F23)

228i

245 hp1997 ccGasolineRWDManualTurbochargedCabriolet / convertible2015-2016
VS

BMW X5 (F15)

30d

258 hp2993 ccDieselAWDAutomaticTurbocharged2013-2018

Comparison overview

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

Best choices

BMW X5 (F15) 30d

  • Most powerful
    258 hp
    192 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest city consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Best estimated range
    1,371 km
    852 mi
  • Largest trunk
    650 L
  • Best overall score
    66/100
  • Best economy score
    90/100
  • Best practicality score
    82/100

BMW 2 Series Convertible (F23) 228i

  • Quickest 0-100 km/h
    6.1 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,535 kg
    3,384 lb
  • Best power-to-weight
    160 hp/t
    119 kW/t
    6.3 kg/hp
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Lowest CO2 emissions
    163 g/km
  • Best performance score
    60/100

Specification comparison

Specification comparison
ModelBMW2 Series Convertible (F23)228iBMWX5 (F15)30d
Power
245hp183kW
258hp192kW
Torque
350Nm258lb-ft
560Nm413lb-ft
Curb weight
1,535kg3,384lb
2,070kg4,564lb
Gross weight
1,975kg4,354lb
2,780kg6,129lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
230 km/h
143 mph
To 99% top speed
90.4s99% target: 257 km/h / 160 mph
Calculated
102.6s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
6.1s
6.9s
0-200 km/h
22.9s
Calculated
35.8s
Calculated
0-60 mph
5.8s
Calculated
6.5s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city
9.3L/100 km25.3mpg US30.4mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Fuel consumption highway
5.6L/100 km42mpg US50.4mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Quarter mile
14.2s
Calculated
15.0s
Calculated
Power-to-weight
160hp/t119kW/t72hp/1000 lb
Calculated
125hp/t93kW/t57hp/1000 lb
Calculated
Torque-to-weight
228Nm/t153lb-ft/ton
Calculated
271Nm/t181lb-ft/ton
Calculated
Estimated range
743km462mi
Calculated
1,371km852mi
Calculated
Displacement
1,997cc122cu in
2,993cc183cu in
Length
4,432mm174in
4,886mm192in
Width
1,774mm70in
1,938mm76in
Height
1,413mm56in
1,762mm69in
Wheelbase
2,690mm106in
2,933mm115in
Front track
1,521mm60in
1,644mm65in
Rear track
1,556mm61in
1,650mm65in
Ground clearance
140mm6in
209mm8in
Trunk volume
280L
650L
Max trunk volume-
1,870L
Doors
2
5
Seats
4
5
Fuel tank
52L
85L
CO2 emissions
163g/km
164g/km

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 2 Series Convertible (F23) 228iBMW X5 (F15) 30dPowerTorque
  • BMW 2 Series Convertible (F23) 228i: Power / Torque
  • BMW X5 (F15) 30d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW2 Series Convertible (F23)228i5,000-6,500 rpm1,250-4,800 rpm6,750 rpm
BMWX5 (F15)30d4,000 rpm1,500-3,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW2 Series Convertible (F23)228iBMWX5 (F15)30d
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
6.5 s
0-100 km/h
0-62 mph
6.1 s
6.9 s
0-200 km/h
0-124 mph
22.9 s
35.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.3 s
9.6 s
1000 ft
305 m
12.0 s
12.5 s
1/4 mile
402 m
14.2 s
15.0 s
Trap speed
1/4 mile
402 m
163 km/h
101 mph
149 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
245 hp
183 kW
BMWX5 (F15)30d
258 hp
192 kW

BMW X5 (F15) 30d has 13 hp more than BMW 2 Series Convertible (F23) 228i.

The biggest power difference is between BMW 2 Series Convertible (F23) 228i and BMW X5 (F15) 30d: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
350 Nm
258 lb-ft
BMWX5 (F15)30d
560 Nm
413 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
1,535 kg
3,384 lb
BMWX5 (F15)30d
2,070 kg
4,564 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX5 (F15)30d
230 km/h
143 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i6.1 s
BMWX5 (F15)30d6.9 s

Although BMW X5 (F15) 30d has more power, BMW 2 Series Convertible (F23) 228i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 2 Series Convertible (F23) 228i and BMW X5 (F15) 30d: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMWX5 (F15)30d
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

The biggest fuel consumption difference is between BMW X5 (F15) 30d and BMW 2 Series Convertible (F23) 228i: 0.8 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
BMW2 Series Convertible (F23)228i
160 hp/t
119 kW/t
6.3 kg/hp
BMWX5 (F15)30d
125 hp/t
93 kW/t
8.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW2 Series Convertible (F23)228i
743 km
462 mi
BMWX5 (F15)30d
1,371 km
852 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW2 Series Convertible (F23)228i
245 hp
183 kW
6.1 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMWX5 (F15)30d
258 hp
192 kW
6.9 s
230 km/h
143 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
BMW2 Series Convertible (F23)228i
Power
245 hp
183 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,432 mm
174.5 in
Height
1,413 mm
55.6 in
BMWX5 (F15)30d
Power
258 hp
192 kW
0-100 km/h6.9 s
Top speed
230 km/h
143 mph
Doors/seats
5 doors
5 seats
Trunk
650 L
23.0 cu ft
Length
4,886 mm
192.4 in
Height
1,762 mm
69.4 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
BMW2 Series Convertible (F23)228i
Power
245 hp
183 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMWX5 (F15)30d
Power
258 hp
192 kW
0-100 km/h6.9 s
Top speed
230 km/h
143 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

BMW 2 Series Convertible (F23) 228i 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
BMW2 Series Convertible (F23)228i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.1 s
BMWX5 (F15)30d
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
6.9 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
BMW2 Series Convertible (F23)228i
160 hp/t
119 kW/t
6.3 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMWX5 (F15)30d
125 hp/t
93 kW/t
8.0 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW2 Series Convertible (F23)228iBMWX5 (F15)30d
Power
245 hp
183 kW
258 hp
192 kW
Torque
350 Nm
258 lb-ft
560 Nm
413 lb-ft
Acceleration
6.1 s
6.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
230 km/h
143 mph
Lightness
1,535 kg
3,384 lb
2,070 kg
4,564 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
280 L
9.9 cu ft
Length
4,432 mm
174.5 in
Height
1,413 mm
55.6 in
Doors/seats
5 doors
5 seats
Trunk
650 L
23.0 cu ft
Length
4,886 mm
192.4 in
Height
1,762 mm
69.4 in
Range score
743 km
462 mi
1,371 km
852 mi
CO2 score
163 g/km
164 g/km
Trunk score
280 L
9.9 cu ft
650 L
23.0 cu ft
Power-to-weight score
160 hp/t
119 kW/t
6.3 kg/hp
125 hp/t
93 kW/t
8.0 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 2 Series Convertible (F23) 228iBMW X5 (F15) 30d
Consumption7 L/100 km33.6 mpg US40.4 mpg UK6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km12.25 LC100 km10.85 LC100 km
Cost / 100 mi19.71 LC100 mi17.46 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal930 L246 US gal205 UK gal
Annual fuel cost1,838 LC/year1,628 LC/year

Head-to-head comparisons

BMW 2 Series Convertible (F23) 228i

  • Is 535 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 30 km/h (19 mph) higher top speed
  • Has 35 hp/t better power-to-weight
  • Emits 1 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk

BMW X5 (F15) 30d

  • Has 13 hp more
  • Has 210 Nm more
  • Uses 0.8 L/100 km less fuel
  • Has 628 km (390 mi) more estimated range
  • Has 370 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 2 Series Convertible (F23) 228i
BMW X5 (F15) 30d
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