Car comparison

BMW 3 Series Convertible (E93) 330dvsBMW 3 Series Gran Turismo (F34) 320i

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

New comparison

BMW 3 Series Convertible (E93)

330d

245 hp2993 ccDieselRWDManualTurbochargedCabriolet / convertible2008-2010
VS

BMW 3 Series Gran Turismo (F34)

320i

184 hp1997 ccGasolineAWDAutomaticTurbocharged2014-2016

Comparison overview

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

Best choices

BMW 3 Series Convertible (E93) 330d

  • Quickest 0-100 km/h
    6.4 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    540 Nm
    398 lb-ft
  • Best power-to-weight
    147 hp/t
    109 kW/t
    6.8 kg/hp
  • Lowest combined fuel consumption
    6.1 L/100 km
    38.6 mpg US
    46.3 mpg UK
  • Lowest city consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Best estimated range
    1,033 km
    642 mi
  • Best overall score
    56/100
  • Best performance score
    63/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelBMW3 Series Convertible (E93)330dBMW3 Series Gran Turismo (F34)320i
Power
245hp183kW
184hp137kW
Torque
540Nm398lb-ft
270Nm199lb-ft
Curb weight
1,670kg3,682lb
1,640kg3,616lb
Gross weight-
2,210kg4,872lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
224 km/h
139 mph
To 99% top speed
90.0s99% target: 257 km/h / 160 mph
Calculated
99.6s99% target: 222 km/h / 138 mph
Calculated
0-100 km/h
6.4s
8.3s
0-200 km/h
23.5s
Calculated
41.5s
Calculated
0-60 mph
6.1s
Calculated
7.8s
Calculated
Fuel consumption
6.1L/100 km38.6mpg US46.3mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption city
7.7L/100 km30.5mpg US36.7mpg UK
8.7L/100 km27mpg US32.5mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
14.4s
Calculated
16.0s
Calculated
Power-to-weight
147hp/t109kW/t67hp/1000 lb
Calculated
112hp/t84kW/t51hp/1000 lb
Calculated
Torque-to-weight
323Nm/t216lb-ft/ton
Calculated
165Nm/t110lb-ft/ton
Calculated
Estimated range
1,033km642mi
Calculated
909km565mi
Calculated
Displacement
2,993cc183cu in
1,997cc122cu in
Length
4,580mm180in
4,824mm190in
Width
1,782mm70in
1,828mm72in
Height
1,384mm54in
1,508mm59in
Wheelbase
2,760mm109in
2,920mm115in
Front track
1,500mm59in
1,541mm61in
Rear track
1,513mm60in
1,586mm62in
Ground clearance
143mm6in
165mm6in
Trunk volume
210L
520L
Max trunk volume
350L
1,600L
Doors
2
5
Seats
4
5
Fuel tank
63L
60L
CO2 emissions-
154g/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 3 Series Convertible (E93) 330dBMW 3 Series Gran Turismo (F34) 320iPowerTorque
  • BMW 3 Series Convertible (E93) 330d: Power / Torque
  • BMW 3 Series Gran Turismo (F34) 320i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW3 Series Convertible (E93)330d4,000 rpm1,750-3,000 rpm4,250 rpm
BMW3 Series Gran Turismo (F34)320i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW3 Series Convertible (E93)330dBMW3 Series Gran Turismo (F34)320i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
7.8 s
0-100 km/h
0-62 mph
6.4 s
8.3 s
0-200 km/h
0-124 mph
23.5 s
41.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
224 km/h
139 mph
Drag race simulation
60 ft
18 m
2.4 s
2.6 s
330 ft
101 m
6.3 s
6.9 s
1/8 mile
201 m
9.5 s
10.4 s
1000 ft
305 m
12.2 s
13.5 s
1/4 mile
402 m
14.4 s
16.0 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
143 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
245 hp
183 kW
BMW3 Series Gran Turismo (F34)320i
184 hp
137 kW

BMW 3 Series Convertible (E93) 330d has 61 hp more than BMW 3 Series Gran Turismo (F34) 320i.

The biggest power difference is between BMW 3 Series Gran Turismo (F34) 320i and BMW 3 Series Convertible (E93) 330d: 61 hp (45 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
540 Nm
398 lb-ft
BMW3 Series Gran Turismo (F34)320i
270 Nm
199 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
1,670 kg
3,682 lb
BMW3 Series Gran Turismo (F34)320i
1,640 kg
3,616 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW3 Series Gran Turismo (F34)320i
224 km/h
139 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d6.4 s
BMW3 Series Gran Turismo (F34)320i8.3 s

The biggest 0-100 km/h difference is between BMW 3 Series Convertible (E93) 330d and BMW 3 Series Gran Turismo (F34) 320i: 1.9 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW3 Series Gran Turismo (F34)320i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Convertible (E93) 330d and BMW 3 Series Gran Turismo (F34) 320i: 0.5 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
BMW3 Series Convertible (E93)330d
147 hp/t
109 kW/t
6.8 kg/hp
BMW3 Series Gran Turismo (F34)320i
112 hp/t
84 kW/t
8.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW3 Series Convertible (E93)330d
1,033 km
642 mi
BMW3 Series Gran Turismo (F34)320i
909 km
565 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW3 Series Convertible (E93)330d
245 hp
183 kW
6.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW3 Series Gran Turismo (F34)320i
184 hp
137 kW
8.3 s
224 km/h
139 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
BMW3 Series Convertible (E93)330d
Power
245 hp
183 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
210 L
7.4 cu ft
Length
4,580 mm
180.3 in
Height
1,384 mm
54.5 in
BMW3 Series Gran Turismo (F34)320i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
224 km/h
139 mph
Doors/seats
5 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,824 mm
189.9 in
Height
1,508 mm
59.4 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
BMW3 Series Convertible (E93)330d
Power
245 hp
183 kW
0-100 km/h6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW3 Series Gran Turismo (F34)320i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
224 km/h
139 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

BMW 3 Series Convertible (E93) 330d 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
BMW3 Series Convertible (E93)330d
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.4 s
BMW3 Series Gran Turismo (F34)320i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
8.3 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
BMW3 Series Convertible (E93)330d
147 hp/t
109 kW/t
6.8 kg/hp
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
BMW3 Series Gran Turismo (F34)320i
112 hp/t
84 kW/t
8.9 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW3 Series Convertible (E93)330dBMW3 Series Gran Turismo (F34)320i
Power
245 hp
183 kW
184 hp
137 kW
Torque
540 Nm
398 lb-ft
270 Nm
199 lb-ft
Acceleration
6.4 s
8.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
224 km/h
139 mph
Lightness
1,670 kg
3,682 lb
1,640 kg
3,616 lb
Fuel consumption
6.1 L/100 km
38.6 mpg US
46.3 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
210 L
7.4 cu ft
Length
4,580 mm
180.3 in
Height
1,384 mm
54.5 in
Doors/seats
5 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,824 mm
189.9 in
Height
1,508 mm
59.4 in
Range score
1,033 km
642 mi
909 km
565 mi
CO2 score
-
154 g/km
Trunk score
210 L
7.4 cu ft
520 L
18.4 cu ft
Power-to-weight score
147 hp/t
109 kW/t
6.8 kg/hp
112 hp/t
84 kW/t
8.9 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 3 Series Convertible (E93) 330dBMW 3 Series Gran Turismo (F34) 320i
Consumption6.1 L/100 km38.6 mpg US46.3 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km10.67 LC100 km11.55 LC100 km
Cost / 100 mi17.18 LC100 mi18.59 LC100 mi
Annual fuel used915 L242 US gal201 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,601 LC/year1,733 LC/year

Head-to-head comparisons

BMW 3 Series Convertible (E93) 330d

  • Has 61 hp more
  • Has 270 Nm more
  • Is 1.9 s quicker from 0-100 km/h
  • Has 36 km/h (22 mph) higher top speed
  • Uses 0.5 L/100 km less fuel
  • Has 35 hp/t better power-to-weight
  • Has 124 km (77 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

BMW 3 Series Gran Turismo (F34) 320i

  • Is 30 kg lighter
  • Has 310 L more trunk volume

Pros

  • Lightest
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 3 Series Convertible (E93) 330d
BMW 3 Series Gran Turismo (F34) 320i
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