The Comparative Analysis :
Audi TT RS Roadster quattro S tronic (19 - ..) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)
€ 70,500
€ 36,600
€ 70,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Audi TT RS Roadster is 3.8 cm shorter, 4.2 cm wider and 5.5 cm taller than the BMW Z4 Roadster sDrive18i.
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
1346
1832
1966
1291
1790
1951
1832 mm
Width
1790 mm
1966 mm
Width Incl. Mirrors
1951 mm
1346 mm
Height
1291 mm
2505
4201
2496
4239
4201 mm
Length
4239 mm
2505 mm
Wheelbase
2496 mm
Vehicle Weight
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
1605 kg
Kerb Weight
1495 kg
1885 kg
Gross Vehicle
Weight
Weight
1750 kg
Weight Difference:
110 kg
6.85 %
General
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
8S
Generation
E89
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
Straight-five petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
VW EA855 evo
Engine Series
BMW N20
DNWA
Engine Code
N20-B20

4
Valves
4
5
Cylinders
4
2480 CC
Engine Capacity
1997 CC
395 bhp
at 5850 rpm
Power
154 bhp
at 5000 rpm
Audi TT RS Roadster
395 bhp
154 bhp
BMW Z4 Roadster sDrive18i
480 NM
at 1950 rpm
Max. Torque
240 NM
at 1250 rpm
Audi TT RS Roadster
480 NM
240 NM
BMW Z4 Roadster sDrive18i
Performance
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
155 mph
Maximum Speed
137 mph
3.9 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph
62
mph
mph
54 m
0.000 sec
Audi TT RS Roadster
62 mph
62
mph
mph
113 m
0.000 sec
BMW Z4 Roadster sDrive18i
▶ REPLAY
4.06 kg/bhp
Weight-to-Power Ratio
9.71 kg/bhp
Audi TT RS Roadster
4.06 kg/bhp
9.71 kg/bhp
BMW Z4 Roadster sDrive18i
Fuel Economy / Emissions
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
Fuel Economy
35 mpg
combined
42 mpg
Audi TT RS Roadster
35 mpg
42 mpg
BMW Z4 Roadster sDrive18i
27 mpg
city
30 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
55 L
428 mi
Range
503 mi
Audi TT RS Roadster
428 mi
503 mi
BMW Z4 Roadster sDrive18i
Environmental Impact
151.6 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).
128.7 kWh
Audi TT RS Roadster
151.6 kWh
128.7 kWh
BMW Z4 Roadster sDrive18i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
213 g/km (WLTP)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Audi TT RS Roadster
BMW Z4 Roadster sDrive18i
2
Doors
2
2
No. of Seats
2
280 kg
Maximum Payload
255 kg
280 L
Boot Capacity
310 L








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Boot Capacity (Seats Down)
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