The Comparative Analysis :

BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..) vs. Audi TT Roadster 1.8 TFSI (15 - 18)

€ 49,000
BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..) BMW Z4 Roadster sDrive30i
€ 36,200
 Audi TT Roadster 1.8 TFSI (15 - 18) Audi TT Roadster 1.8 TFSI
€ 49,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,200

ⓘ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 sDrive30i is 14.7 cm longer, 3.2 cm wider and 5.1 cm lower than the Audi TT Roadster 1.8 TFSI.
BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
1304
Blueprint BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..)
1864
2024
1355
Blueprint Audi TT Roadster 1.8 TFSI (15 - 18)
1832
1966
1864 mm
Width
1832 mm
2024 mm
Width Incl. Mirrors
1966 mm
1304 mm
Height
1355 mm
Blueprint BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..)
2470
4324
Blueprint Audi TT Roadster 1.8 TFSI (15 - 18)
2505
4177
4324 mm
Length
4177 mm
2470 mm
Wheelbase
2505 mm

Vehicle Weight

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
1505 kg
Kerb Weight
1375 kg
1740 kg
Gross Vehicle
Weight
1620 kg
BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..)
Weight Difference:
130 kg
8.64 %
Audi TT Roadster 1.8 TFSI (15 - 18)

General

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
G29
Generation
8S
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
Rear-wheel drive
Drive
Front-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW B48
Engine Series
VW EA888
B48-B20
Engine Code
CJSA
4
Valves
4
4
Cylinders
4
1998 CC
Engine Capacity
1798 CC
254 bhp
at 5000 rpm
Power
178 bhp
at 5100 rpm
BMW Z4 Roadster sDrive30i
254 bhp
178 bhp
Audi TT Roadster 1.8 TFSI
400 NM
at 1550 rpm
Max. Torque
250 NM
at 1250 rpm
BMW Z4 Roadster sDrive30i
400 NM
250 NM
Audi TT Roadster 1.8 TFSI

Performance

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
155 mph
Maximum Speed
147 mph
5.4 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph 62
mph

75 m
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

100 m
0.000 sec

Audi TT Roadster 1.8 TFSI

▶ REPLAY
5.93 kg/bhp
Weight-to-Power Ratio
7.72 kg/bhp
BMW Z4 Roadster sDrive30i
5.93 kg/bhp
7.72 kg/bhp
Audi TT Roadster 1.8 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
Fuel Economy
47 mpg
combined
48 mpg
BMW Z4 Roadster sDrive30i
47 mpg
48 mpg
Audi TT Roadster 1.8 TFSI
39 mpg
city
38 mpg
No data
motorway
No data
Kraftstoffanzeige
52 L
Fuel Tank Capacity
50 L
Kraftstoffanzeige
539 mi
Range
526 mi
BMW Z4 Roadster sDrive30i
539 mi
526 mi
Audi TT Roadster 1.8 TFSI
Environmental Impact
113.6 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).
111.8 kWh
BMW Z4 Roadster sDrive30i
113.6 kWh
111.8 kWh
Audi TT Roadster 1.8 TFSI
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
166 g/km (WLTP)
CO2 Emissions
138 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
2
Doors
2
2
No. of Seats
2
235 kg
Maximum Payload
245 kg
281 L
Boot Capacity
280 L
No data
Boot Capacity (Seats Down)
No data