Car comparison

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

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

New comparison

BMW 4 Series Convertible (F33)

420d

184 hp1995 ccDieselRWDManualTurbochargedCabriolet / convertible2014-2015
VS

AUDI A5 Cabriolet (8F7) · Facelift 2011

2.0 TDI clean diesel

190 hp1968 ccDieselFWDManualTurbochargedCabriolet / 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 clean diesel

  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    111 hp/t
    83 kW/t
    9.0 kg/hp
  • Lowest combined fuel consumption
    4.8 L/100 km
    49.0 mpg US
    58.9 mpg UK
  • Lowest city consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest highway consumption
    4.3 L/100 km
    54.7 mpg US
    65.7 mpg UK
  • Lowest CO2 emissions
    125 g/km
  • Best estimated range
    1,313 km
    816 mi
  • Largest trunk
    320 L
  • Best overall score
    49/100
  • Best economy score
    94/100
  • Best practicality score
    46/100

Specification comparison

Specification comparison
ModelBMW4 Series Convertible (F33)420dAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
Power
184hp137kW
190hp142kW
Torque
380Nm280lb-ft
400Nm295lb-ft
Curb weight
1,680kg3,704lb
1,710kg3,770lb
Gross weight
2,150kg4,740lb
2,210kg4,872lb
Top speed
235 km/h
146 mph
234 km/h
145 mph
To 99% top speed
105.9s99% target: 233 km/h / 145 mph
Calculated
110.7s99% target: 232 km/h / 144 mph
Calculated
0-100 km/h
8.2s
8.2s
0-200 km/h
36.5s
Calculated
37.9s
Calculated
0-60 mph
7.8s
Calculated
7.7s
Calculated
Fuel consumption
5.1L/100 km46.1mpg US55.4mpg UK
4.8L/100 km49mpg US58.9mpg UK
Fuel consumption city
6L/100 km39.2mpg US47.1mpg UK
5.7L/100 km41.3mpg US49.6mpg UK
Fuel consumption highway
4.5L/100 km52.3mpg US62.8mpg UK
4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile
15.9s
Calculated
15.9s
Calculated
Power-to-weight
110hp/t82kW/t50hp/1000 lb
Calculated
111hp/t83kW/t50hp/1000 lb
Calculated
Torque-to-weight
226Nm/t151lb-ft/ton
Calculated
234Nm/t157lb-ft/ton
Calculated
Estimated range
1,118km694mi
Calculated
1,313km816mi
Calculated
Displacement
1,995cc122cu 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
220L
320L
Max trunk volume
370L
750L
Doors
2
2
Seats
4
4
Fuel tank
57L
63L
CO2 emissions
133g/km
125g/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) 420dAUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean dieselPowerTorque
  • BMW 4 Series Convertible (F33) 420d: Power / Torque
  • AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Convertible (F33)420d4,000 rpm1,750-2,750 rpm4,250 rpm
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel3,800-4,200 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)420dAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
Acceleration checkpoints
0-60 mph
0-97 km/h
7.8 s
7.7 s
0-100 km/h
0-62 mph
8.2 s
8.2 s
0-200 km/h
0-124 mph
36.5 s
37.9 s
Top speed
235 km/h
146 mph
234 km/h
145 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
13.4 s
13.4 s
1/4 mile
402 m
15.9 s
15.9 s
Trap speed
1/4 mile
402 m
145 km/h
90 mph
144 km/h
89 mph

Power comparison

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

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

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

The biggest power difference is between BMW 4 Series Convertible (F33) 420d and AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel: 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)420d
380 Nm
280 lb-ft
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
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)420d
1,680 kg
3,704 lb
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
1,710 kg
3,770 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)420d
235 km/h
146 mph
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
234 km/h
145 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)420d8.2 s
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel8.2 s

Although AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel has more power, BMW 4 Series Convertible (F33) 420d 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)420d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

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)420d
110 hp/t
82 kW/t
9.1 kg/hp
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
111 hp/t
83 kW/t
9.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Convertible (F33)420d
1,118 km
694 mi
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
1,313 km
816 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Convertible (F33)420d
184 hp
137 kW
8.2 s
235 km/h
146 mph
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
190 hp
142 kW
8.2 s
234 km/h
145 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)420d
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
235 km/h
146 mph
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 cu ft
Length
4,638 mm
182.6 in
Height
1,384 mm
54.5 in
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
Power
190 hp
142 kW
0-100 km/h8.2 s
Top speed
234 km/h
145 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)420d
Power
184 hp
137 kW
0-100 km/h8.2 s
Top speed
235 km/h
146 mph
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
Power
190 hp
142 kW
0-100 km/h8.2 s
Top speed
234 km/h
145 mph
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel 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)420d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
8.2 s
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
8.2 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)420d
110 hp/t
82 kW/t
9.1 kg/hp
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
111 hp/t
83 kW/t
9.0 kg/hp
4.8 L/100 km
49.0 mpg US
58.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Convertible (F33)420dAUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI clean diesel
Power
184 hp
137 kW
190 hp
142 kW
Torque
380 Nm
280 lb-ft
400 Nm
295 lb-ft
Acceleration
8.2 s
8.2 s
Top speed
235 km/h
146 mph
234 km/h
145 mph
Lightness
1,680 kg
3,704 lb
1,710 kg
3,770 lb
Fuel consumption
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
4.8 L/100 km
49.0 mpg US
58.9 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
220 L
7.8 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
1,118 km
694 mi
1,313 km
816 mi
CO2 score
133 g/km
125 g/km
Trunk score
220 L
7.8 cu ft
320 L
11.3 cu ft
Power-to-weight score
110 hp/t
82 kW/t
9.1 kg/hp
111 hp/t
83 kW/t
9.0 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 4 Series Convertible (F33) 420dAUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel
Consumption5.1 L/100 km46.1 mpg US55.4 mpg UK4.8 L/100 km49 mpg US58.9 mpg UK
Cost / 100 km8.92 LC100 km8.40 LC100 km
Cost / 100 mi14.36 LC100 mi13.52 LC100 mi
Annual fuel used765 L202 US gal168 UK gal720 L190 US gal158 UK gal
Annual fuel cost1,339 LC/year1,260 LC/year

Head-to-head comparisons

BMW 4 Series Convertible (F33) 420d

  • Is 30 kg lighter
  • Has 1 km/h (1 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest

Cons

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

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI clean diesel

  • Has 6 hp more
  • Has 20 Nm more
  • Uses 0.3 L/100 km less fuel
  • Has 2 hp/t better power-to-weight
  • Has 195 km (121 mi) more estimated range
  • Has 100 L more trunk volume
  • Emits 8 g/km less CO2

Pros

  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

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

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