Car comparison

BMW 4 Series Convertible (F33) 420ivsAUDI A5 Cabriolet (8F7) · Facelift 2011 2.0 TDI

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

New comparison

BMW 4 Series Convertible (F33)

420i

184 hp1997 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2014-2016
VS

AUDI A5 Cabriolet (8F7) · Facelift 2011

2.0 TDI

190 hp1968 ccDieselFWDAutomaticTurbochargedCabriolet / convertible2014-2016

Comparison overview

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

Best choices

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI

  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest city consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    124 g/km
  • Best estimated range
    1,340 km
    833 mi
  • Best overall score
    47/100
  • Best performance score
    48/100
  • Best economy score
    94/100

BMW 4 Series Convertible (F33) 420i

  • Quickest 0-100 km/h
    8.3 s
  • Fastest top speed
    230 km/h
    143 mph
  • Lightest
    1,675 kg
    3,693 lb
  • Best power-to-weight
    110 hp/t
    82 kW/t
    9.1 kg/hp
  • Largest trunk
    370 L
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)420iAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Power
184hp137kW
190hp142kW
Torque
270Nm199lb-ft
400Nm295lb-ft
Curb weight
1,675kg3,693lb
1,745kg3,847lb
Gross weight
2,145kg4,729lb
2,245kg4,949lb
Top speed
230 km/h
143 mph
226 km/h
140 mph
To 99% top speed
106.5s99% target: 228 km/h / 141 mph
Calculated
106.5s99% target: 224 km/h / 139 mph
Calculated
0-100 km/h
8.3s
8.3s
0-200 km/h
39.3s
Calculated
41.9s
Calculated
0-60 mph
7.8s
Calculated
7.8s
Calculated
Fuel consumption
6.6L/100 km35.6mpg US42.8mpg UK
4.7L/100 km50mpg US60.1mpg UK
Fuel consumption city
8.9L/100 km26.4mpg US31.7mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Fuel consumption highway
5.3L/100 km44.4mpg US53.3mpg UK
4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile
16.0s
Calculated
16.0s
Calculated
Power-to-weight
110hp/t82kW/t50hp/1000 lb
Calculated
109hp/t81kW/t49hp/1000 lb
Calculated
Torque-to-weight
161Nm/t108lb-ft/ton
Calculated
229Nm/t153lb-ft/ton
Calculated
Estimated range
909km565mi
Calculated
1,340km833mi
Calculated
Displacement
1,997cc122cu in
1,968cc120cu in
Length
4,638mm183in
4,626mm182in
Width
1,825mm72in
1,854mm73in
Height
1,384mm54in
1,383mm54in
Wheelbase
2,810mm111in
2,751mm108in
Front track
1,545mm61in
1,590mm63in
Rear track
1,594mm63in
1,577mm62in
Ground clearance
130mm5in
-
Trunk volume
370L
320L
Max trunk volume-
750L
Doors
2
2
Seats
4
4
Fuel tank
60L
63L
CO2 emissions
154g/km
124g/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 4 Series Convertible (F33) 420iAUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDIPowerTorque
  • BMW 4 Series Convertible (F33) 420i: Power / Torque
  • AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (F33)420i5,000-6,250 rpm1,250-4,500 rpm6,500 rpm
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI3,800-4,200 rpm1,750-3,000 rpm4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW4 Series Convertible (F33)420iAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
7.8 s
7.8 s
0-100 km/h
0-62 mph
8.3 s
8.3 s
0-200 km/h
0-124 mph
39.3 s
41.9 s
Top speed
230 km/h
143 mph
226 km/h
140 mph
Drag race simulation
60 ft
18 m
2.6 s
2.5 s
330 ft
101 m
6.9 s
6.8 s
1/8 mile
201 m
10.4 s
10.4 s
1000 ft
305 m
13.5 s
13.4 s
1/4 mile
402 m
16.0 s
16.0 s
Trap speed
1/4 mile
402 m
143 km/h
89 mph
142 km/h
88 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
184 hp
137 kW
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
190 hp
142 kW

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI has 6 hp more than BMW 4 Series Convertible (F33) 420i.

The biggest power difference is between BMW 4 Series Convertible (F33) 420i and AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
270 Nm
199 lb-ft
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
1,675 kg
3,693 lb
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
1,745 kg
3,847 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
230 km/h
143 mph
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
226 km/h
140 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i8.3 s
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI8.3 s

Although AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI has more power, BMW 4 Series Convertible (F33) 420i is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
4.7 L/100 km
50.0 mpg US
60.1 mpg UK

The biggest fuel consumption difference is between AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI and BMW 4 Series Convertible (F33) 420i: 1.9 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
BMW4 Series Convertible (F33)420i
110 hp/t
82 kW/t
9.1 kg/hp
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
109 hp/t
81 kW/t
9.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420i
909 km
565 mi
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
1,340 km
833 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (F33)420i
184 hp
137 kW
8.3 s
230 km/h
143 mph
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
190 hp
142 kW
8.3 s
226 km/h
140 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
BMW4 Series Convertible (F33)420i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
230 km/h
143 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Power
190 hp
142 kW
0-100 km/h8.3 s
Top speed
226 km/h
140 mph
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,626 mm
182.1 in
Height
1,383 mm
54.4 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
BMW4 Series Convertible (F33)420i
Power
184 hp
137 kW
0-100 km/h8.3 s
Top speed
230 km/h
143 mph
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Power
190 hp
142 kW
0-100 km/h8.3 s
Top speed
226 km/h
140 mph
4.7 L/100 km
50.0 mpg US
60.1 mpg UK

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI 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
BMW4 Series Convertible (F33)420i
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
8.3 s
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
4.7 L/100 km
50.0 mpg US
60.1 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
BMW4 Series Convertible (F33)420i
110 hp/t
82 kW/t
9.1 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
109 hp/t
81 kW/t
9.2 kg/hp
4.7 L/100 km
50.0 mpg US
60.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (F33)420iAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Power
184 hp
137 kW
190 hp
142 kW
Torque
270 Nm
199 lb-ft
400 Nm
295 lb-ft
Acceleration
8.3 s
8.3 s
Top speed
230 km/h
143 mph
226 km/h
140 mph
Lightness
1,675 kg
3,693 lb
1,745 kg
3,847 lb
Fuel consumption
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,626 mm
182.1 in
Height
1,383 mm
54.4 in
Range score
909 km
565 mi
1,340 km
833 mi
CO2 score
154 g/km
124 g/km
Trunk score
370 L
13.1 cu ft
320 L
11.3 cu ft
Power-to-weight score
110 hp/t
82 kW/t
9.1 kg/hp
109 hp/t
81 kW/t
9.2 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 4 Series Convertible (F33) 420iAUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI
Consumption6.6 L/100 km35.6 mpg US42.8 mpg UK4.7 L/100 km50 mpg US60.1 mpg UK
Cost / 100 km11.55 LC100 km8.23 LC100 km
Cost / 100 mi18.59 LC100 mi13.24 LC100 mi
Annual fuel used990 L262 US gal218 UK gal705 L186 US gal155 UK gal
Annual fuel cost1,733 LC/year1,234 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) 420i

  • Is 70 kg lighter
  • Has 4 km/h (2 mph) higher top speed
  • Has 1 hp/t better power-to-weight
  • Has 50 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Highest CO2 emissions

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI

  • Has 6 hp more
  • Has 130 Nm more
  • Uses 1.9 L/100 km less fuel
  • Has 431 km (268 mi) more estimated range
  • Emits 30 g/km less CO2

Pros

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

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Convertible (F33) 420i
AUDI A5 Cabriolet (8F7) 2.0 TDI
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2 vehicles selected

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