The Comparative Analysis :
BMW Z4 Roadster sDrive20i (13 - 16) vs. Audi TT Roadster 45 TFSI (18 - ..)
€ 37,300

€ 41,800

€ 37,300
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 sDrive20i is 6.2 cm longer, 4.2 cm narrower and 6.4 cm lower than the Audi TT Roadster 45 TFSI.
BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
1291
1790
1951
1355
1832
1966
1790 mm
Width
1832 mm
1951 mm
Width Incl. Mirrors
1966 mm
1291 mm
Height
1355 mm
2496
4239
2505
4177
4239 mm
Length
4177 mm
2496 mm
Wheelbase
2505 mm
Vehicle Weight
BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
1470 kg
Kerb Weight
1415 kg
1725 kg
Gross Vehicle
Weight
Weight
1695 kg

Weight Difference:
55 kg
3.74 %

General
BMW Z4 Roadster sDrive20i
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

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive20i
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
181 bhp
at 5000 rpm
Power
242 bhp
at 5000 rpm
BMW Z4 Roadster sDrive20i
181 bhp
242 bhp
Audi TT Roadster 45 TFSI
270 NM
at 1250 rpm
Max. Torque
370 NM
at 1600 rpm
BMW Z4 Roadster sDrive20i
270 NM
370 NM
Audi TT Roadster 45 TFSI
Performance
BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
146 mph
Maximum Speed
155 mph
6.9 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
96 m
0.000 sec

BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
85 m
0.000 sec

Audi TT Roadster 45 TFSI
▶ REPLAY
8.12 kg/bhp
Weight-to-Power Ratio
5.85 kg/bhp
BMW Z4 Roadster sDrive20i
8.12 kg/bhp
5.85 kg/bhp
Audi TT Roadster 45 TFSI
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
Fuel Economy
42 mpg
combined
42 mpg
BMW Z4 Roadster sDrive20i
42 mpg
42 mpg
Audi TT Roadster 45 TFSI
32 mpg
city
33 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
50 L
503 mi
Range
464 mi
BMW Z4 Roadster sDrive20i
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).
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 sDrive20i
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 sDrive20i
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