The Comparative Analysis :
BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..) vs. Audi TTS Roadster S tronic (08 - 10)
€ 49,000

€ 50,700

€ 49,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,700
ⓘ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 sDrive30i is 5 inches longer, 0.9 inches wider and 1.8 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive30i
Audi TTS Roadster
51.3
73.4
79.7
53.1
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
97.2
170.2
97.2
165.3
170.2 in
Length
165.3 in
97.2 in
Wheelbase
97.2 in
Vehicle Weight
BMW Z4 Roadster sDrive30i
Audi TTS Roadster
3318 lb
Curb Weight
3252 lb
3836 lb
Gross Vehicle
Weight
Weight
3957 lb

Weight Difference:
66 lb
1.99 %

General
BMW Z4 Roadster sDrive30i
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 sDrive30i
Audi TTS Roadster
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW B48
Engine Series
VW EA113
B48-B20
Engine Code
CDLB

4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
254 hp
at 5000 rpm
Power
268 hp
at 6000 rpm
BMW Z4 Roadster sDrive30i
254 hp
268 hp
Audi TTS Roadster
295 lb‑ft
at 1550 rpm
Max. Torque
258 lb‑ft
at 2500 rpm
BMW Z4 Roadster sDrive30i
295 lb‑ft
258 lb‑ft
Audi TTS Roadster
Performance
BMW Z4 Roadster sDrive30i
Audi TTS Roadster
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW Z4 Roadster sDrive30i
62 mph
62
mph
mph
246 ft
0.000 sec

Audi TTS Roadster
▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
12.13 lb/hp
BMW Z4 Roadster sDrive30i
13.06 lb/hp
12.13 lb/hp
Audi TTS Roadster
Fuel Economy / Emissions
BMW Z4 Roadster sDrive30i
Audi TTS Roadster
Fuel Economy
39 mpg
combined
29 mpg
BMW Z4 Roadster sDrive30i
39 mpg
29 mpg
Audi TTS Roadster
32 mpg
city
22 mpg
No data
highway
No data
13.7 gal
Fuel Tank Capacity
15.9 gal
539 mi
Range
466 mi
BMW Z4 Roadster sDrive30i
539 mi
466 mi
Audi TTS Roadster
Environmental Impact
113.6 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).
151.6 kWh
BMW Z4 Roadster sDrive30i
113.6 kWh
151.6 kWh
Audi TTS Roadster
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
267 g/mi (WLTP)
CO2 Emissions
301 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive30i
Audi TTS Roadster
2
Doors
2
2
No. of Seats
2
518 lb
Maximum Payload
705 lb
8 cu ft
Trunk Volume
7.1 cu ft






No data
Cargo Volume (Seats Down)
No data