The Comparative Analysis :
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. Audi TT RS Roadster quattro S tronic (16 - 18)
€ 43,300
€ 69,800
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 69,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The BMW Z4 Roadster sDrive20i is 13.3 cm longer, 3.2 cm wider and 4.1 cm lower than the Audi TT RS Roadster.
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
1304
1864
2024
1345
1832
1966
1864 mm
Width
1832 mm
2024 mm
Width Incl. Mirrors
1966 mm
1304 mm
Height
1345 mm
2470
4324
2505
4191
4324 mm
Length
4191 mm
2470 mm
Wheelbase
2505 mm
Vehicle Weight
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
1495 kg
Kerb Weight
1605 kg
1740 kg
Gross Vehicle
Weight
Weight
1850 kg
Weight Difference:
110 kg
6.85 %
General
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
G29
Generation
8S
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
Straight-four petrol engine with turbocharger
Engine Type
Straight-five petrol engine with turbocharger
BMW B48
Engine Series
VW EA855 evo
B48-B20
Engine Code
DAZA

4
Valves
4
4
Cylinders
5
1998 CC
Engine Capacity
2480 CC
194 bhp
at 4500 rpm
Power
395 bhp
at 5850 rpm
BMW Z4 Roadster sDrive20i
194 bhp
395 bhp
Audi TT RS Roadster
320 NM
at 1450 rpm
Max. Torque
480 NM
at 1700 rpm
BMW Z4 Roadster sDrive20i
320 NM
480 NM
Audi TT RS Roadster
Performance
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
149 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
92 m
0.000 sec
BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
54 m
0.000 sec
Audi TT RS Roadster
▶ REPLAY
7.71 kg/bhp
Weight-to-Power Ratio
4.06 kg/bhp
BMW Z4 Roadster sDrive20i
7.71 kg/bhp
4.06 kg/bhp
Audi TT RS Roadster
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
Fuel Economy
46 mpg
combined
34 mpg
BMW Z4 Roadster sDrive20i
46 mpg
34 mpg
Audi TT RS Roadster
39 mpg
city
25 mpg
No data
motorway
No data
52 L
Fuel Tank Capacity
55 L
529 mi
Range
412 mi
BMW Z4 Roadster sDrive20i
529 mi
412 mi
Audi TT RS Roadster
Environmental Impact
115.6 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).
157.2 kWh
BMW Z4 Roadster sDrive20i
115.6 kWh
157.2 kWh
Audi TT RS Roadster
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
167 g/km (WLTP)
CO2 Emissions
189 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive20i
Audi TT RS Roadster
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
245 kg
281 L
Boot Capacity
280 L








No data
Boot Capacity (Seats Down)
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