Car comparison

AUDI A5 Cabriolet (F5) 40 TDIvsBMW 4 Series Convertible (F33) · Facelift 2017 420i

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

New comparison

AUDI A5 Cabriolet (F5)

40 TDI

190 hp1968 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2018-2019
VS

BMW 4 Series Convertible (F33) · Facelift 2017

420i

184 hp1998 ccGasolineRWDAutomaticTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

Best choices

AUDI A5 Cabriolet (F5) 40 TDI

  • Quickest 0-100 km/h
    8.0 s
  • Fastest top speed
    233 km/h
    145 mph
  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    108 hp/t
    81 kW/t
    9.3 kg/hp
  • Lowest combined fuel consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest city consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Lowest highway consumption
    5.0 L/100 km
    47.0 mpg US
    56.5 mpg UK
  • Lowest CO2 emissions
    143 g/km
  • Best estimated range
    1,074 km
    667 mi
  • Largest trunk
    370 L
  • Best overall score
    49/100
  • Best performance score
    50/100
  • Best economy score
    92/100
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelAUDIA5 Cabriolet (F5)40 TDIBMW4 Series Convertible (F33)Facelift 2017420i
Power
190hp142kW
184hp137kW
Torque
400Nm295lb-ft
270Nm199lb-ft
Curb weight
1,760kg3,880lb
1,715kg3,781lb
Gross weight
2,280kg5,027lb
2,185kg4,817lb
Top speed
233 km/h
145 mph
230 km/h
143 mph
To 99% top speed
104.7s99% target: 231 km/h / 143 mph
Calculated
108.6s99% target: 228 km/h / 141 mph
Calculated
0-100 km/h
8.0s
8.4s
0-200 km/h
36.8s
Calculated
40.0s
Calculated
0-60 mph
7.6s
Calculated
7.9s
Calculated
Fuel consumption
5.4L/100 km43.6mpg US52.3mpg UK
6.2L/100 km37.9mpg US45.6mpg UK
Fuel consumption city
6L/100 km39.2mpg US47.1mpg UK
8.1L/100 km29mpg US34.9mpg UK
Fuel consumption highway
5L/100 km47mpg US56.5mpg UK
5.1L/100 km46.1mpg US55.4mpg UK
Quarter mile
15.8s
Calculated
16.1s
Calculated
Power-to-weight
108hp/t81kW/t49hp/1000 lb
Calculated
107hp/t80kW/t49hp/1000 lb
Calculated
Torque-to-weight
227Nm/t152lb-ft/ton
Calculated
157Nm/t105lb-ft/ton
Calculated
Estimated range
1,074km667mi
Calculated
968km601mi
Calculated
Displacement
1,968cc120cu in
1,998cc122cu in
Length
4,673mm184in
4,640mm183in
Width
1,846mm73in
1,825mm72in
Height
1,383mm54in
1,384mm54in
Wheelbase
2,765mm109in
2,810mm111in
Front track
1,587mm62in
1,544mm61in
Rear track
1,568mm62in
1,593mm63in
Ground clearance-
130mm5in
Trunk volume
370L
370L
Doors
2
2
Seats
4
4
Fuel tank
58L
60L
CO2 emissions
143g/km
144g/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.

AUDI A5 Cabriolet (F5) 40 TDIBMW 4 Series Convertible (F33) Facelift 2017 420iPowerTorque
  • AUDI A5 Cabriolet (F5) 40 TDI: Power / Torque
  • BMW 4 Series Convertible (F33) Facelift 2017 420i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA5 Cabriolet (F5)40 TDI3,800-4,200 rpm1,750-3,000 rpm4,450 rpm
BMW4 Series Convertible (F33)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA5 Cabriolet (F5)40 TDIBMW4 Series Convertible (F33)Facelift 2017420i
Acceleration checkpoints
0-60 mph
0-97 km/h
7.6 s
7.9 s
0-100 km/h
0-62 mph
8.0 s
8.4 s
0-200 km/h
0-124 mph
36.8 s
40.0 s
Top speed
233 km/h
145 mph
230 km/h
143 mph
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.8 s
6.9 s
1/8 mile
201 m
10.3 s
10.5 s
1000 ft
305 m
13.3 s
13.5 s
1/4 mile
402 m
15.8 s
16.1 s
Trap speed
1/4 mile
402 m
145 km/h
90 mph
143 km/h
89 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA5 Cabriolet (F5)40 TDI
190 hp
142 kW
BMW4 Series Convertible (F33)Facelift 2017420i
184 hp
137 kW

AUDI A5 Cabriolet (F5) 40 TDI has 6 hp more than BMW 4 Series Convertible (F33) Facelift 2017 420i.

The biggest power difference is between BMW 4 Series Convertible (F33) Facelift 2017 420i and AUDI A5 Cabriolet (F5) 40 TDI: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA5 Cabriolet (F5)40 TDI
400 Nm
295 lb-ft
BMW4 Series Convertible (F33)Facelift 2017420i
270 Nm
199 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA5 Cabriolet (F5)40 TDI
1,760 kg
3,880 lb
BMW4 Series Convertible (F33)Facelift 2017420i
1,715 kg
3,781 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA5 Cabriolet (F5)40 TDI
233 km/h
145 mph
BMW4 Series Convertible (F33)Facelift 2017420i
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
AUDIA5 Cabriolet (F5)40 TDI8.0 s
BMW4 Series Convertible (F33)Facelift 2017420i8.4 s

The biggest 0-100 km/h difference is between AUDI A5 Cabriolet (F5) 40 TDI and BMW 4 Series Convertible (F33) Facelift 2017 420i: 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
AUDIA5 Cabriolet (F5)40 TDI
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

The biggest fuel consumption difference is between AUDI A5 Cabriolet (F5) 40 TDI and BMW 4 Series Convertible (F33) Facelift 2017 420i: 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
AUDIA5 Cabriolet (F5)40 TDI
108 hp/t
81 kW/t
9.3 kg/hp
BMW4 Series Convertible (F33)Facelift 2017420i
107 hp/t
80 kW/t
9.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA5 Cabriolet (F5)40 TDI
1,074 km
667 mi
BMW4 Series Convertible (F33)Facelift 2017420i
968 km
601 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA5 Cabriolet (F5)40 TDI
190 hp
142 kW
8.0 s
233 km/h
145 mph
BMW4 Series Convertible (F33)Facelift 2017420i
184 hp
137 kW
8.4 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
AUDIA5 Cabriolet (F5)40 TDI
Power
190 hp
142 kW
0-100 km/h8.0 s
Top speed
233 km/h
145 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,673 mm
184.0 in
Height
1,383 mm
54.4 in
BMW4 Series Convertible (F33)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h8.4 s
Top speed
230 km/h
143 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 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
AUDIA5 Cabriolet (F5)40 TDI
Power
190 hp
142 kW
0-100 km/h8.0 s
Top speed
233 km/h
145 mph
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h8.4 s
Top speed
230 km/h
143 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

AUDI A5 Cabriolet (F5) 40 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
AUDIA5 Cabriolet (F5)40 TDI
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
8.0 s
BMW4 Series Convertible (F33)Facelift 2017420i
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
8.4 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
AUDIA5 Cabriolet (F5)40 TDI
108 hp/t
81 kW/t
9.3 kg/hp
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420i
107 hp/t
80 kW/t
9.3 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA5 Cabriolet (F5)40 TDIBMW4 Series Convertible (F33)Facelift 2017420i
Power
190 hp
142 kW
184 hp
137 kW
Torque
400 Nm
295 lb-ft
270 Nm
199 lb-ft
Acceleration
8.0 s
8.4 s
Top speed
233 km/h
145 mph
230 km/h
143 mph
Lightness
1,760 kg
3,880 lb
1,715 kg
3,781 lb
Fuel consumption
5.4 L/100 km
43.6 mpg US
52.3 mpg UK
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,673 mm
184.0 in
Height
1,383 mm
54.4 in
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,640 mm
182.7 in
Height
1,384 mm
54.5 in
Range score
1,074 km
667 mi
968 km
601 mi
CO2 score
143 g/km
144 g/km
Trunk score
370 L
13.1 cu ft
370 L
13.1 cu ft
Power-to-weight score
108 hp/t
81 kW/t
9.3 kg/hp
107 hp/t
80 kW/t
9.3 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
VehicleAUDI A5 Cabriolet (F5) 40 TDIBMW 4 Series Convertible (F33) Facelift 2017 420i
Consumption5.4 L/100 km43.6 mpg US52.3 mpg UK6.2 L/100 km37.9 mpg US45.6 mpg UK
Cost / 100 km9.45 LC100 km10.85 LC100 km
Cost / 100 mi15.21 LC100 mi17.46 LC100 mi
Annual fuel used810 L214 US gal178 UK gal930 L246 US gal205 UK gal
Annual fuel cost1,418 LC/year1,628 LC/year

Head-to-head comparisons

AUDI A5 Cabriolet (F5) 40 TDI

  • Has 6 hp more
  • Has 130 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 3 km/h (2 mph) higher top speed
  • Uses 0.8 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 106 km (66 mi) more estimated range
  • Emits 1 g/km less CO2

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
  • Largest trunk

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A5 Cabriolet (F5) 40 TDI
BMW 4 Series Convertible (F33) 420i
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2 vehicles selected

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