The Comparative Analysis :

BMW Z4 Roadster sDrive18i Automatic (13 - 16) vs. Audi TT Roadster 45 TFSI (18 - ..)

€ 36,600
BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 41,800
 Audi TT Roadster 45 TFSI (18 - ..) Audi TT Roadster 45 TFSI
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive18i is 6.2 cm longer, 4.2 cm narrower and 6.4 cm lower than the Audi TT Roadster 45 TFSI.
BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
1291
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
1790
1951
1355
Blueprint Audi TT Roadster 45 TFSI (18 - ..)
1832
1966
1790 mm
Width
1832 mm
1951 mm
Width Incl. Mirrors
1966 mm
1291 mm
Height
1355 mm
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
2496
4239
Blueprint Audi TT Roadster 45 TFSI (18 - ..)
2505
4177
4239 mm
Length
4177 mm
2496 mm
Wheelbase
2505 mm

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
1495 kg
Kerb Weight
1415 kg
1750 kg
Gross Vehicle
Weight
1695 kg
BMW Z4 Roadster sDrive18i Automatic (13 - 16)
Weight Difference:
80 kg
5.35 %
Audi TT Roadster 45 TFSI (18 - ..)

General

BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
E89
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 sDrive18i
Audi TT Roadster 45 TFSI
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
DKT
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1984 CC
154 bhp
at 5000 rpm
Power
242 bhp
at 5000 rpm
BMW Z4 Roadster sDrive18i
154 bhp
242 bhp
Audi TT Roadster 45 TFSI
240 NM
at 1250 rpm
Max. Torque
370 NM
at 1600 rpm
BMW Z4 Roadster sDrive18i
240 NM
370 NM
Audi TT Roadster 45 TFSI

Performance

BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
137 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph 62
mph

113 m
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

85 m
0.000 sec

Audi TT Roadster 45 TFSI

▶ REPLAY
9.71 kg/bhp
Weight-to-Power Ratio
5.85 kg/bhp
BMW Z4 Roadster sDrive18i
9.71 kg/bhp
5.85 kg/bhp
Audi TT Roadster 45 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
Fuel Economy
42 mpg
combined
42 mpg
BMW Z4 Roadster sDrive18i
42 mpg
42 mpg
Audi TT Roadster 45 TFSI
30 mpg
city
33 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
50 L
Kraftstoffanzeige
503 mi
Range
464 mi
BMW Z4 Roadster sDrive18i
503 mi
464 mi
Audi TT Roadster 45 TFSI
Environmental Impact
128.7 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).
127 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
127 kWh
Audi TT Roadster 45 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
159 g/km (NEFZ)
CO2 Emissions
163 g/km (WLTP)

Practical Convenience

BMW Z4 Roadster sDrive18i
Audi TT Roadster 45 TFSI
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
280 kg
310 L
Boot Capacity
280 L
No data
Boot Capacity (Seats Down)
No data