Car comparison

BMW 4 Series Convertible (F33) 420dvsAUDI 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)

420d

184 hp1995 ccDieselRWDAutomaticTurbochargedCabriolet / convertible2014-2015

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.

AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI

Most powerful
190 hp
142 kW
Highest torque
400 Nm
295 lb-ft
Best power-to-weight
109 hp/t
81 kW/t
9.2 kg/hp
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 CO2 emissions
124 g/km
Best estimated range
1,340 km
833 mi
Largest trunk
320 L
Best practicality score
46/100

BMW 4 Series Convertible (F33) 420d

Quickest 0-100 km/h
8.2 s
Fastest top speed
228 km/h
142 mph
Lightest
1,690 kg
3,726 lb
Lowest highway consumption
4.3 L/100 km
54.7 mpg US
65.7 mpg UK
Best overall score
47/100
Best performance score
49/100
Best economy score
94/100

Specification comparison

Specification comparison
Model	BMW4 Series Convertible (F33)420d	AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI
Power	184hp137kW	190hp142kW
Torque	380Nm280lb-ft	400Nm295lb-ft
Curb weight	1,690kg3,726lb	1,745kg3,847lb
Gross weight	2,160kg4,762lb	2,245kg4,949lb
Top speed	228 km/h 142 mph	226 km/h 140 mph
To 99% top speed	100.8s99% target: 226 km/h / 140 mph Calculated	106.2s99% target: 224 km/h / 139 mph Calculated
0-100 km/h	8.2s	8.3s
0-200 km/h	39.0s Calculated	41.8s Calculated
0-60 mph	7.8s Calculated	7.8s Calculated
Fuel consumption	4.8L/100 km49mpg US58.9mpg UK	4.7L/100 km50mpg US60.1mpg UK
Fuel consumption city	5.7L/100 km41.3mpg US49.6mpg UK	5.5L/100 km42.8mpg US51.4mpg UK
Fuel consumption highway	4.3L/100 km54.7mpg US65.7mpg UK	4.3L/100 km54.7mpg US65.7mpg UK
Quarter mile	15.9s Calculated	16.0s Calculated
Power-to-weight	109hp/t81kW/t49hp/1000 lb Calculated	109hp/t81kW/t49hp/1000 lb Calculated
Torque-to-weight	225Nm/t150lb-ft/ton Calculated	229Nm/t153lb-ft/ton Calculated
Estimated range	1,188km738mi Calculated	1,340km833mi 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	127g/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) 420dAUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDIPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW4 Series Convertible (F33)420d	4,000 rpm	1,750-2,750 rpm	4,250 rpm
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI	3,800-4,200 rpm	1,750-3,000 rpm	4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW4 Series Convertible (F33)420d	AUDIA5 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	8.2 s	8.3 s
0-200 km/h 0-124 mph	39.0 s	41.8 s
Top speed	228 km/h 142 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	6.9 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	16.0 s
Trap speed 1/4 mile 402 m	144 km/h 90 mph	142 km/h 88 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)420d	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) 420d.

The biggest power difference is between BMW 4 Series Convertible (F33) 420d 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
Vehicle	Value
BMW4 Series Convertible (F33)420d	380 Nm 280 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
Vehicle	Value
BMW4 Series Convertible (F33)420d	1,690 kg 3,726 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
Vehicle	Value
BMW4 Series Convertible (F33)420d	228 km/h 142 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
Vehicle	Value
BMW4 Series Convertible (F33)420d	8.2 s
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI	8.3 s

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

The biggest 0-100 km/h difference is between BMW 4 Series Convertible (F33) 420d and AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI: 0.1 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)420d	4.8 L/100 km 49.0 mpg US 58.9 mpg UK
AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI	4.7 L/100 km 50.0 mpg US 60.1 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW4 Series Convertible (F33)420d	109 hp/t 81 kW/t 9.2 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
Vehicle	Value
BMW4 Series Convertible (F33)420d	1,188 km 738 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
Vehicle	Power	Acceleration	Top speed
BMW4 Series Convertible (F33)420d	184 hp 137 kW	8.2 s	228 km/h 142 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.

Vehicle

Performance score

Practicality score

BMW4 Series Convertible (F33)420d

Power	184 hp 137 kW
0-100 km/h	8.2 s
Top speed 228 km/h 142 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

Power	190 hp 142 kW
0-100 km/h	8.3 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.

Vehicle

Performance score

Fuel economy score

BMW4 Series Convertible (F33)420d

Power	184 hp 137 kW
0-100 km/h	8.2 s
Top speed 228 km/h 142 mph

4.8 L/100 km

49.0 mpg US

58.9 mpg UK

AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI

Power	190 hp 142 kW
0-100 km/h	8.3 s
Top speed 226 km/h 140 mph

4.7 L/100 km

50.0 mpg US

60.1 mpg UK

BMW 4 Series Convertible (F33) 420d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW4 Series Convertible (F33)420d	4.8 L/100 km 49.0 mpg US 58.9 mpg UK	8.2 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW4 Series Convertible (F33)420d	109 hp/t 81 kW/t 9.2 kg/hp	4.8 L/100 km 49.0 mpg US 58.9 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

Vehicle

BMW4 Series Convertible (F33)420d

AUDIA5 Cabriolet (8F7)Facelift 20112.0 TDI

Power

184 hp

137 kW

190 hp

142 kW

Torque

380 Nm

280 lb-ft

400 Nm

295 lb-ft

Acceleration

8.2 s

8.3 s

Top speed

228 km/h

142 mph

226 km/h

140 mph

Lightness

1,690 kg

3,726 lb

1,745 kg

3,847 lb

Fuel consumption

4.8 L/100 km

49.0 mpg US

58.9 mpg UK

4.7 L/100 km

50.0 mpg US

60.1 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

1,188 km

738 mi

1,340 km

833 mi

CO2 score

127 g/km

124 g/km

Trunk score

220 L

7.8 cu ft

320 L

11.3 cu ft

Power-to-weight score

109 hp/t

81 kW/t

9.2 kg/hp

109 hp/t

81 kW/t

9.2 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 4 Series Convertible (F33) 420d	AUDI A5 Cabriolet (8F7) Facelift 2011 2.0 TDI
Consumption	4.8 L/100 km49 mpg US58.9 mpg UK	4.7 L/100 km50 mpg US60.1 mpg UK
Cost / 100 km	8.40 LC100 km	8.23 LC100 km
Cost / 100 mi	13.52 LC100 mi	13.24 LC100 mi
Annual fuel used	720 L190 US gal158 UK gal	705 L186 US gal155 UK gal
Annual fuel cost	1,260 LC/year	1,234 LC/year