The Comparative Analysis :

BMW Z4 Roadster sDrive18i Automatic (13 - 16) vs. Audi TTS Roadster quattro S tronic (19 - ..)

€ 36,600
BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 57,800
 Audi TTS Roadster quattro S tronic (19 - ..) Audi TTS Roadster
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 57,800

ⓘ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 1.6 inches longer, 1.7 inches narrower and 2.1 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive18i
Audi TTS Roadster
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
70.5
76.8
53
Blueprint Audi TTS Roadster quattro S tronic (19 - ..)
72.1
77.4
70.5 in
Width
72.1 in
76.8 in
Width Incl. Mirrors
77.4 in
50.8 in
Height
53 in
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
98.3
166.9
Blueprint Audi TTS Roadster quattro S tronic (19 - ..)
98.6
165.3
166.9 in
Length
165.3 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
3296 lb
Curb Weight
3461 lb
3858 lb
Gross Vehicle
Weight
4023 lb
BMW Z4 Roadster sDrive18i Automatic (13 - 16)
Weight Difference:
165 lb
4.77 %
Audi TTS Roadster quattro S tronic (19 - ..)

General

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
DNU
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
154 hp
at 5000 rpm
Power
302 hp
at 5400 rpm
BMW Z4 Roadster sDrive18i
154 hp
302 hp
Audi TTS Roadster
177 lb‑ft
at 1250 rpm
Max. Torque
295 lb‑ft
at 2000 rpm
BMW Z4 Roadster sDrive18i
177 lb‑ft
295 lb‑ft
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
4.8 sec
62 mph 62
mph

371 ft
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

220 ft
0.000 sec

Audi TTS Roadster

▶ REPLAY
21.4 lb/hp
Weight-to-Power Ratio
11.46 lb/hp
BMW Z4 Roadster sDrive18i
21.4 lb/hp
11.46 lb/hp
Audi TTS Roadster

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
Fuel Economy
35 mpg
combined
33 mpg
BMW Z4 Roadster sDrive18i
35 mpg
33 mpg
Audi TTS Roadster
25 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
11.9 gal
Kraftstoffanzeige
503 mi
Range
388 mi
BMW Z4 Roadster sDrive18i
503 mi
388 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).
136.5 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
136.5 kWh
Audi TTS Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
256 g/mi (NEFZ)
CO2 Emissions
298 g/mi (WLTP)

Practical Convenience

BMW Z4 Roadster sDrive18i
Audi TTS Roadster
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
562 lb
8.8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data