The Comparative Analysis :

BMW Z4 Roadster sDrive18i Automatic (13 - 16) vs. Audi TTS Roadster quattro (15 - 18)

€ 36,600
BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 54,000
Audi TTS Roadster quattro (15 - 18) Audi TTS Roadster
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 54,000

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 4.8 cm longer, 4.2 cm narrower and 5.4 cm lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive18i
Audi TTS Roadster
1291
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
1790
1951
1345
Blueprint Audi TTS Roadster quattro (15 - 18)
1832
1966
1790 mm
Width
1832 mm
1951 mm
Width Incl. Mirrors
1966 mm
1291 mm
Height
1345 mm
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
2496
4239
Blueprint Audi TTS Roadster quattro (15 - 18)
2505
4191
4239 mm
Length
4191 mm
2496 mm
Wheelbase
2505 mm

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
1495 kg
Kerb Weight
1525 kg
1750 kg
Gross Vehicle
Weight
1770 kg
BMW Z4 Roadster sDrive18i Automatic (13 - 16)
Weight Difference:
30 kg
1.97 %
Audi TTS Roadster quattro (15 - 18)

General

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
E89
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
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
CJXG
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1984 CC
154 bhp
at 5000 rpm
Power
306 bhp
at 5800 rpm
BMW Z4 Roadster sDrive18i
154 bhp
306 bhp
Audi TTS Roadster
240 NM
at 1250 rpm
Max. Torque
380 NM
at 1800 rpm
BMW Z4 Roadster sDrive18i
240 NM
380 NM
Audi TTS Roadster

Performance

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
137 mph
Maximum Speed
155 mph
8.1 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

113 m
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

72 m
0.000 sec

Audi TTS Roadster

 REPLAY
9.71 kg/bhp
Weight-to-Power Ratio
4.98 kg/bhp
BMW Z4 Roadster sDrive18i
9.71 kg/bhp
4.98 kg/bhp
Audi TTS Roadster

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
Fuel Economy
42 mpg
combined
39 mpg
BMW Z4 Roadster sDrive18i
42 mpg
39 mpg
Audi TTS Roadster
30 mpg
city
30 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
55 L
Kraftstoffanzeige
503 mi
Range
468 mi
BMW Z4 Roadster sDrive18i
503 mi
468 mi
Audi TTS Roadster
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).
138.2 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
138.2 kWh
Audi TTS Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
159 g/km (NEFZ)
CO2 Emissions
169 g/km (NEFZ)

Practical Convenience

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