Car comparison

BMW 4 Series Coupe (F32) · Facelift 2017 420ivsAUDI A5 Coupe (F5) 40 TDI

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

New comparison

BMW 4 Series Coupe (F32) · Facelift 2017

420i

184 hp1998 ccGasolineRWDAutomaticTurbochargedCoupe2017-2020
VS

AUDI A5 Coupe (F5)

40 TDI

190 hp1968 ccDieselAWDAutomaticTurbochargedCoupe2018-2019

Comparison overview

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

Best choices

AUDI A5 Coupe (F5) 40 TDI

  • Quickest 0-100 km/h
    7.4 s
  • Most powerful
    190 hp
    142 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest city consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Best estimated range
    1,115 km
    693 mi
  • Largest trunk
    450 L
  • Best overall score
    53/100
  • Best performance score
    53/100
  • Best economy score
    93/100

BMW 4 Series Coupe (F32) Facelift 2017 420i

  • Fastest top speed
    236 km/h
    147 mph
  • Lightest
    1,495 kg
    3,296 lb
  • Best power-to-weight
    123 hp/t
    92 kW/t
    8.1 kg/hp
  • Lowest highway consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest CO2 emissions
    134 g/km
  • Best practicality score
    53/100

Specification comparison

Specification comparison
ModelBMW4 Series Coupe (F32)Facelift 2017420iAUDIA5 Coupe (F5)40 TDI
Power
184hp137kW
190hp142kW
Torque
270Nm199lb-ft
400Nm295lb-ft
Curb weight
1,495kg3,296lb
1,570kg3,461lb
Gross weight
2,015kg4,442lb
2,085kg4,597lb
Top speed
236 km/h
147 mph
235 km/h
146 mph
To 99% top speed
94.3s99% target: 234 km/h / 145 mph
Calculated
90.6s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
7.5s
7.4s
0-200 km/h
32.4s
Calculated
31.9s
Calculated
0-60 mph
7.1s
Calculated
7.0s
Calculated
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Fuel consumption city
7.6L/100 km30.9mpg US37.2mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption highway
4.7L/100 km50mpg US60.1mpg UK
4.8L/100 km49mpg US58.9mpg UK
Quarter mile
15.4s
Calculated
15.3s
Calculated
Power-to-weight
123hp/t92kW/t56hp/1000 lb
Calculated
121hp/t90kW/t55hp/1000 lb
Calculated
Torque-to-weight
181Nm/t121lb-ft/ton
Calculated
255Nm/t170lb-ft/ton
Calculated
Estimated range
1,034km643mi
Calculated
1,115km693mi
Calculated
Displacement
1,998cc122cu in
1,968cc120cu in
Length
4,640mm183in
4,673mm184in
Width
1,825mm72in
1,846mm73in
Height
1,377mm54in
1,371mm54in
Wheelbase
2,810mm111in
2,764mm109in
Front track
1,547mm61in
1,587mm62in
Rear track
1,593mm63in
1,568mm62in
Ground clearance
130mm5in
-
Trunk volume
445L
450L
Doors
2
2
Seats
4
4
Fuel tank
60L
58L
CO2 emissions
134g/km
137g/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 Coupe (F32) Facelift 2017 420iAUDI A5 Coupe (F5) 40 TDIPowerTorque
  • BMW 4 Series Coupe (F32) Facelift 2017 420i: Power / Torque
  • AUDI A5 Coupe (F5) 40 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW4 Series Coupe (F32)Facelift 2017420i5,000 rpm1,350-4,600 rpm5,250 rpm
AUDIA5 Coupe (F5)40 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 Coupe (F32)Facelift 2017420iAUDIA5 Coupe (F5)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
7.1 s
7.0 s
0-100 km/h
0-62 mph
7.5 s
7.4 s
0-200 km/h
0-124 mph
32.4 s
31.9 s
Top speed
236 km/h
147 mph
235 km/h
146 mph
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.7 s
6.6 s
1/8 mile
201 m
10.1 s
10.0 s
1000 ft
305 m
13.0 s
12.9 s
1/4 mile
402 m
15.4 s
15.3 s
Trap speed
1/4 mile
402 m
150 km/h
93 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
AUDIA5 Coupe (F5)40 TDI
190 hp
142 kW

AUDI A5 Coupe (F5) 40 TDI has 6 hp more than BMW 4 Series Coupe (F32) Facelift 2017 420i.

The biggest power difference is between BMW 4 Series Coupe (F32) Facelift 2017 420i and AUDI A5 Coupe (F5) 40 TDI: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
270 Nm
199 lb-ft
AUDIA5 Coupe (F5)40 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 Coupe (F32)Facelift 2017420i
1,495 kg
3,296 lb
AUDIA5 Coupe (F5)40 TDI
1,570 kg
3,461 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 Coupe (F32)Facelift 2017420i
236 km/h
147 mph
AUDIA5 Coupe (F5)40 TDI
235 km/h
146 mph

0-100 km/h comparison

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

The biggest 0-100 km/h difference is between AUDI A5 Coupe (F5) 40 TDI and BMW 4 Series Coupe (F32) Facelift 2017 420i: 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
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA5 Coupe (F5)40 TDI
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

The biggest fuel consumption difference is between AUDI A5 Coupe (F5) 40 TDI and BMW 4 Series Coupe (F32) Facelift 2017 420i: 0.6 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 Coupe (F32)Facelift 2017420i
123 hp/t
92 kW/t
8.1 kg/hp
AUDIA5 Coupe (F5)40 TDI
121 hp/t
90 kW/t
8.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW4 Series Coupe (F32)Facelift 2017420i
1,034 km
643 mi
AUDIA5 Coupe (F5)40 TDI
1,115 km
693 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW4 Series Coupe (F32)Facelift 2017420i
184 hp
137 kW
7.5 s
236 km/h
147 mph
AUDIA5 Coupe (F5)40 TDI
190 hp
142 kW
7.4 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
BMW4 Series Coupe (F32)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 mph
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,377 mm
54.2 in
AUDIA5 Coupe (F5)40 TDI
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,673 mm
184.0 in
Height
1,371 mm
54.0 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 Coupe (F32)Facelift 2017420i
Power
184 hp
137 kW
0-100 km/h7.5 s
Top speed
236 km/h
147 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA5 Coupe (F5)40 TDI
Power
190 hp
142 kW
0-100 km/h7.4 s
Top speed
235 km/h
146 mph
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

AUDI A5 Coupe (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
BMW4 Series Coupe (F32)Facelift 2017420i
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
7.5 s
AUDIA5 Coupe (F5)40 TDI
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
7.4 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
BMW4 Series Coupe (F32)Facelift 2017420i
123 hp/t
92 kW/t
8.1 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA5 Coupe (F5)40 TDI
121 hp/t
90 kW/t
8.3 kg/hp
5.2 L/100 km
45.2 mpg US
54.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW4 Series Coupe (F32)Facelift 2017420iAUDIA5 Coupe (F5)40 TDI
Power
184 hp
137 kW
190 hp
142 kW
Torque
270 Nm
199 lb-ft
400 Nm
295 lb-ft
Acceleration
7.5 s
7.4 s
Top speed
236 km/h
147 mph
235 km/h
146 mph
Lightness
1,495 kg
3,296 lb
1,570 kg
3,461 lb
Fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
5.2 L/100 km
45.2 mpg US
54.3 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
445 L
15.7 cu ft
Length
4,640 mm
182.7 in
Height
1,377 mm
54.2 in
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,673 mm
184.0 in
Height
1,371 mm
54.0 in
Range score
1,034 km
643 mi
1,115 km
693 mi
CO2 score
134 g/km
137 g/km
Trunk score
445 L
15.7 cu ft
450 L
15.9 cu ft
Power-to-weight score
123 hp/t
92 kW/t
8.1 kg/hp
121 hp/t
90 kW/t
8.3 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
VehicleBMW 4 Series Coupe (F32) Facelift 2017 420iAUDI A5 Coupe (F5) 40 TDI
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK5.2 L/100 km45.2 mpg US54.3 mpg UK
Cost / 100 km10.15 LC100 km9.10 LC100 km
Cost / 100 mi16.33 LC100 mi14.65 LC100 mi
Annual fuel used870 L230 US gal191 UK gal780 L206 US gal172 UK gal
Annual fuel cost1,523 LC/year1,365 LC/year

Head-to-head comparisons

BMW 4 Series Coupe (F32) Facelift 2017 420i

  • Is 75 kg lighter
  • Has 1 km/h (1 mph) higher top speed
  • Has 2 hp/t better power-to-weight
  • Emits 3 g/km less CO2

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Smallest trunk

AUDI A5 Coupe (F5) 40 TDI

  • Has 6 hp more
  • Has 130 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 0.6 L/100 km less fuel
  • Has 81 km (50 mi) more estimated range
  • Has 5 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 4 Series Coupe (F32) 420i
AUDI A5 Coupe (F5) 40 TDI
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