Car comparison

AUDI A3 Cabriolet (8V) · Facelift 2016 2.0 TDIvsBMW 4 Series Convertible (F33) · Facelift 2017 420d

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

New comparison

AUDI A3 Cabriolet (8V) · Facelift 2016

2.0 TDI

184 hp1968 ccDieselAWDAutomaticTurbochargedCabriolet / convertible2016-2018
VS

BMW 4 Series Convertible (F33) · Facelift 2017

420d

190 hp1995 ccDieselRWDManualTurbochargedCabriolet / convertible2017-2020

Comparison overview

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

Best choices

AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI

  • Quickest 0-100 km/h
    7.6 s
  • Fastest top speed
    237 km/h
    147 mph
  • Lightest
    1,595 kg
    3,516 lb
  • Best power-to-weight
    115 hp/t
    86 kW/t
    8.7 kg/hp
  • Lowest city consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Largest trunk
    390 L
  • Best overall score
    50/100
  • Best performance score
    51/100
  • Best economy score
    93/100
  • Best practicality score
    48/100

BMW 4 Series Convertible (F33) Facelift 2017 420d

  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Lowest highway consumption
    4.5 L/100 km
    52.3 mpg US
    62.8 mpg UK
  • Lowest CO2 emissions
    134 g/km
  • Best estimated range
    1,118 km
    694 mi

Specification comparison

Specification comparison
ModelAUDIA3 Cabriolet (8V)Facelift 20162.0 TDIBMW4 Series Convertible (F33)Facelift 2017420d
Power
184hp137kW
190hp142kW
Torque
380Nm280lb-ft
400Nm295lb-ft
Curb weight
1,595kg3,516lb
1,700kg3,748lb
Gross weight
2,095kg4,619lb
2,170kg4,784lb
Top speed
237 km/h
147 mph
235 km/h
146 mph
To 99% top speed
104.0s99% target: 235 km/h / 146 mph
Calculated
104.4s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
7.6s
8.1s
0-200 km/h
34.1s
Calculated
36.0s
Calculated
0-60 mph
7.2s
Calculated
7.7s
Calculated
Fuel consumption
5.2L/100 km45.2mpg US54.3mpg UK
5.1L/100 km46.1mpg US55.4mpg UK
Fuel consumption city
6L/100 km39.2mpg US47.1mpg UK
6.1L/100 km38.6mpg US46.3mpg UK
Fuel consumption highway
4.8L/100 km49mpg US58.9mpg UK
4.5L/100 km52.3mpg US62.8mpg UK
Quarter mile
15.5s
Calculated
15.8s
Calculated
Power-to-weight
115hp/t86kW/t52hp/1000 lb
Calculated
112hp/t83kW/t51hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
235Nm/t157lb-ft/ton
Calculated
Estimated range
1,058km657mi
Calculated
1,118km694mi
Calculated
Displacement
1,968cc120cu in
1,995cc122cu in
Length
4,458mm176in
4,640mm183in
Width
1,796mm71in
1,825mm72in
Height
1,416mm56in
1,384mm54in
Wheelbase
2,637mm104in
2,810mm111in
Front track
1,555mm61in
1,544mm61in
Rear track
1,526mm60in
1,593mm63in
Ground clearance-
130mm5in
Trunk volume
390L
370L
Max trunk volume
845L
-
Doors
2
2
Seats
4
4
Fuel tank
55L
57L
CO2 emissions
136g/km
134g/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 A3 Cabriolet (8V) Facelift 2016 2.0 TDIBMW 4 Series Convertible (F33) Facelift 2017 420dPowerTorque
  • AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI: Power / Torque
  • BMW 4 Series Convertible (F33) Facelift 2017 420d: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI3,500-4,000 rpm1,750-3,250 rpm4,250 rpm
BMW4 Series Convertible (F33)Facelift 2017420d4,000 rpm1,750-2,500 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA3 Cabriolet (8V)Facelift 20162.0 TDIBMW4 Series Convertible (F33)Facelift 2017420d
Acceleration checkpoints
0-60 mph
0-97 km/h
7.2 s
7.7 s
0-100 km/h
0-62 mph
7.6 s
8.1 s
0-200 km/h
0-124 mph
34.1 s
36.0 s
Top speed
237 km/h
147 mph
235 km/h
146 mph
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.6 s
6.9 s
1/8 mile
201 m
10.1 s
10.3 s
1000 ft
305 m
13.0 s
13.3 s
1/4 mile
402 m
15.5 s
15.8 s
Trap speed
1/4 mile
402 m
148 km/h
92 mph
146 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
184 hp
137 kW
BMW4 Series Convertible (F33)Facelift 2017420d
190 hp
142 kW

BMW 4 Series Convertible (F33) Facelift 2017 420d has 6 hp more than AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI.

The biggest power difference is between AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI and BMW 4 Series Convertible (F33) Facelift 2017 420d: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
380 Nm
280 lb-ft
BMW4 Series Convertible (F33)Facelift 2017420d
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
1,595 kg
3,516 lb
BMW4 Series Convertible (F33)Facelift 2017420d
1,700 kg
3,748 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
237 km/h
147 mph
BMW4 Series Convertible (F33)Facelift 2017420d
235 km/h
146 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI7.6 s
BMW4 Series Convertible (F33)Facelift 2017420d8.1 s

Although BMW 4 Series Convertible (F33) Facelift 2017 420d has more power, AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI and BMW 4 Series Convertible (F33) Facelift 2017 420d: 0.5 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
115 hp/t
86 kW/t
8.7 kg/hp
BMW4 Series Convertible (F33)Facelift 2017420d
112 hp/t
83 kW/t
8.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
1,058 km
657 mi
BMW4 Series Convertible (F33)Facelift 2017420d
1,118 km
694 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
184 hp
137 kW
7.6 s
237 km/h
147 mph
BMW4 Series Convertible (F33)Facelift 2017420d
190 hp
142 kW
8.1 s
235 km/h
146 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
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
237 km/h
147 mph
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,458 mm
175.5 in
Height
1,416 mm
55.7 in
BMW4 Series Convertible (F33)Facelift 2017420d
Power
190 hp
142 kW
0-100 km/h8.1 s
Top speed
235 km/h
146 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
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
Power
184 hp
137 kW
0-100 km/h7.6 s
Top speed
237 km/h
147 mph
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420d
Power
190 hp
142 kW
0-100 km/h8.1 s
Top speed
235 km/h
146 mph
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

AUDI A3 Cabriolet (8V) Facelift 2016 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
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
7.6 s
BMW4 Series Convertible (F33)Facelift 2017420d
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
8.1 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
AUDIA3 Cabriolet (8V)Facelift 20162.0 TDI
115 hp/t
86 kW/t
8.7 kg/hp
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
BMW4 Series Convertible (F33)Facelift 2017420d
112 hp/t
83 kW/t
8.9 kg/hp
5.1 L/100 km
46.1 mpg US
55.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA3 Cabriolet (8V)Facelift 20162.0 TDIBMW4 Series Convertible (F33)Facelift 2017420d
Power
184 hp
137 kW
190 hp
142 kW
Torque
380 Nm
280 lb-ft
400 Nm
295 lb-ft
Acceleration
7.6 s
8.1 s
Top speed
237 km/h
147 mph
235 km/h
146 mph
Lightness
1,595 kg
3,516 lb
1,700 kg
3,748 lb
Fuel consumption
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
5.1 L/100 km
46.1 mpg US
55.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
390 L
13.8 cu ft
Length
4,458 mm
175.5 in
Height
1,416 mm
55.7 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
1,058 km
657 mi
1,118 km
694 mi
CO2 score
136 g/km
134 g/km
Trunk score
390 L
13.8 cu ft
370 L
13.1 cu ft
Power-to-weight score
115 hp/t
86 kW/t
8.7 kg/hp
112 hp/t
83 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
VehicleAUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDIBMW 4 Series Convertible (F33) Facelift 2017 420d
Consumption5.2 L/100 km45.2 mpg US54.3 mpg UK5.1 L/100 km46.1 mpg US55.4 mpg UK
Cost / 100 km9.10 LC100 km8.92 LC100 km
Cost / 100 mi14.65 LC100 mi14.36 LC100 mi
Annual fuel used780 L206 US gal172 UK gal765 L202 US gal168 UK gal
Annual fuel cost1,365 LC/year1,339 LC/year

Head-to-head comparisons

AUDI A3 Cabriolet (8V) Facelift 2016 2.0 TDI

  • Is 105 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 2 km/h (1 mph) higher top speed
  • Has 4 hp/t better power-to-weight
  • Has 20 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

BMW 4 Series Convertible (F33) Facelift 2017 420d

  • Has 6 hp more
  • Has 20 Nm more
  • Uses 0.1 L/100 km less fuel
  • Has 60 km (37 mi) more estimated range
  • Emits 2 g/km less CO2

Pros

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

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A3 Cabriolet (8V) 2.0 TDI
BMW 4 Series Convertible (F33) 420d
Compare selected cars
2 vehicles selected

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AUDI A3 Cabriolet (8V) · Facelift 2016 2.0 TDI vs BMW 4 Series Convertible (F33) · Facelift 2017 420d - car comparison - FastVsFaster