The Comparative Analysis :
Audi S5 Coupé TDI tiptronic (19 - ..) vs. BMW 420i Coupé Steptronic (16 - 17)
€ 66,500
€ 39,700
€ 66,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The Audi S5 Coupé TDI is 6.7 cm longer, 2.1 cm wider and 0.9 cm lower than the BMW 420i Coupé.
Audi S5 Coupé TDI
BMW 420i Coupé
1368
1846
2029
1377
1825
2017
1846 mm
Width
1825 mm
2029 mm
Width Incl. Mirrors
2017 mm
1368 mm
Height
1377 mm
2765
4705
2810
4638
4705 mm
Length
4638 mm
2765 mm
Wheelbase
2810 mm
Vehicle Weight
Audi S5 Coupé TDI
BMW 420i Coupé
1835 kg
Kerb Weight
1570 kg
2270 kg
Gross Vehicle
Weight
Weight
2015 kg
Weight Difference:
265 kg
14.44 %
General
Audi S5 Coupé TDI
BMW 420i Coupé
F5
Generation
F32
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Audi S5 Coupé TDI
BMW 420i Coupé
6-cylinder mild hybrid diesel engine with turbocharger and electric driven compressor
Engine Type
Straight-four petrol engine with turbocharger
Engine Series
BMW B48
Engine Code
B48-B20

4
Valves
4
6
Cylinders
4
2967 CC
Engine Capacity
1997 CC
342 bhp
at 3850 rpm
Power
181 bhp
at 5000 rpm
Audi S5 Coupé TDI
342 bhp
181 bhp
BMW 420i Coupé
700 NM
at 2500 rpm
Max. Torque
270 NM
at 1350 rpm
Audi S5 Coupé TDI
700 NM
270 NM
BMW 420i Coupé
Performance
Audi S5 Coupé TDI
BMW 420i Coupé
155 mph
Maximum Speed
147 mph
4.8 sec
Acceleration 0 to 62 mph
7.5 sec
62 mph
62
mph
mph
67 m
0.000 sec
Audi S5 Coupé TDI
62 mph
62
mph
mph
104 m
0.000 sec
BMW 420i Coupé
▶ REPLAY
5.37 kg/bhp
Weight-to-Power Ratio
8.67 kg/bhp
Audi S5 Coupé TDI
5.37 kg/bhp
8.67 kg/bhp
BMW 420i Coupé
Fuel Economy / Emissions
Audi S5 Coupé TDI
BMW 420i Coupé
Fuel Economy
46 mpg
combined
51 mpg
Audi S5 Coupé TDI
46 mpg
51 mpg
BMW 420i Coupé
39 mpg
city
40 mpg
No data
motorway
No data
58 L
Fuel Tank Capacity
60 L
591 mi
Range
678 mi
Audi S5 Coupé TDI
591 mi
678 mi
BMW 420i Coupé
Environmental Impact
125.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
104.1 kWh
Audi S5 Coupé TDI
125.5 kWh
104.1 kWh
BMW 420i Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
179 g/km (WLTP)
CO2 Emissions
127 g/km (NEFZ)
Practical Convenience
Audi S5 Coupé TDI
BMW 420i Coupé
2
Doors
2
4
No. of Seats
4
435 kg
Maximum Payload
445 kg
465 L
Boot Capacity
445 L









No data
Boot Capacity (Seats Down)
No data
















