The Comparative Analysis :

BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. Audi TTS Roadster S tronic (10 - 14)

€ 61,000
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) BMW Z4 Roadster M40i
€ 51,800
 Audi TTS Roadster S tronic (10 - 14) Audi TTS Roadster
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,800

ⓘ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 M40i is 5 inches longer, 0.9 inches wider and 1.8 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster M40i
Audi TTS Roadster
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
73.4
79.7
53.1
Blueprint Audi TTS Roadster S tronic (10 - 14)
72.5
76.9
73.4 in
Width
72.5 in
79.7 in
Width Incl. Mirrors
76.9 in
51.3 in
Height
53.1 in
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint Audi TTS Roadster S tronic (10 - 14)
97.2
165.3
170.2 in
Length
165.3 in
97.2 in
Wheelbase
97.2 in

Vehicle Weight

BMW Z4 Roadster M40i
Audi TTS Roadster
3549 lb
Curb Weight
3417 lb
4101 lb
Gross Vehicle
Weight
3957 lb
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
Weight Difference:
132 lb
3.72 %
Audi TTS Roadster S tronic (10 - 14)

General

BMW Z4 Roadster M40i
Audi TTS Roadster
G29
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
6-speed dual clutch transmission

Engine

BMW Z4 Roadster M40i
Audi TTS Roadster
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B58
Engine Series
VW EA113
B58-B30
Engine Code
CDLB
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
335 hp
at 5000 rpm
Power
268 hp
at 6000 rpm
BMW Z4 Roadster M40i
335 hp
268 hp
Audi TTS Roadster
369 lb‑ft
at 1600 rpm
Max. Torque
258 lb‑ft
at 2500 rpm
BMW Z4 Roadster M40i
369 lb‑ft
258 lb‑ft
Audi TTS Roadster

Performance

BMW Z4 Roadster M40i
Audi TTS Roadster
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

207 ft
0.000 sec

BMW Z4 Roadster M40i

62 mph 62
mph

246 ft
0.000 sec

Audi TTS Roadster

▶ REPLAY
10.59 lb/hp
Weight-to-Power Ratio
12.75 lb/hp
BMW Z4 Roadster M40i
10.59 lb/hp
12.75 lb/hp
Audi TTS Roadster

Fuel Economy / Emissions

BMW Z4 Roadster M40i
Audi TTS Roadster
Fuel Economy
33 mpg
combined
30 mpg
BMW Z4 Roadster M40i
33 mpg
30 mpg
Audi TTS Roadster
26 mpg
city
22 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
455 mi
Range
472 mi
BMW Z4 Roadster M40i
455 mi
472 mi
Audi TTS Roadster
Environmental Impact
134.5 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).
149.7 kWh
BMW Z4 Roadster M40i
134.5 kWh
149.7 kWh
Audi TTS Roadster
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
307 g/mi (WLTP)
CO2 Emissions
296 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster M40i
Audi TTS Roadster
2
Doors
2
2
No. of Seats
2
551 lb
Maximum Payload
540 lb
8 cu ft
Trunk Volume
7.1 cu ft
No data
Cargo Volume (Seats Down)
No data