The Comparative Analysis :

BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13) vs. Audi TTS Roadster quattro S tronic (15 - 18)

€ 46,000
BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13) BMW Z4 Roadster sDrive28i
€ 56,100
Audi TTS Roadster quattro S tronic (15 - 18) Audi TTS Roadster
€ 46,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 56,100

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 sDrive28i is 1.9 inches longer, 1.7 inches narrower and 2.1 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
50.8
Blueprint BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)
70.5
76.8
53
Blueprint Audi TTS Roadster quattro S tronic (15 - 18)
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 sDrive28i Sport-Automatic (11 - 13)
98.3
166.9
Blueprint Audi TTS Roadster quattro S tronic (15 - 18)
98.6
165
166.9 in
Length
165 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive28i
Audi TTS Roadster
3296 lb
Curb Weight
3406 lb
3858 lb
Gross Vehicle
Weight
3946 lb
BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)
Weight Difference:
110 lb
3.23 %
Audi TTS Roadster quattro S tronic (15 - 18)

General

BMW Z4 Roadster sDrive28i
Audi TTS Roadster
E89
Generation
8S
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 sDrive28i
Audi TTS Roadster
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
CJXG
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
306 hp
at 5800 rpm
BMW Z4 Roadster sDrive28i
242 hp
306 hp
Audi TTS Roadster
258 lb‑ft
at 1250 rpm
Max. Torque
280 lb‑ft
at 1800 rpm
BMW Z4 Roadster sDrive28i
258 lb‑ft
280 lb‑ft
Audi TTS Roadster

Performance

BMW Z4 Roadster sDrive28i
Audi TTS Roadster
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

259 ft
0.000 sec

BMW Z4 Roadster sDrive28i

62 mph 62
mph

223 ft
0.000 sec

Audi TTS Roadster

 REPLAY
13.62 lb/hp
Weight-to-Power Ratio
11.13 lb/hp
BMW Z4 Roadster sDrive28i
13.62 lb/hp
11.13 lb/hp
Audi TTS Roadster

Fuel Economy / Emissions

BMW Z4 Roadster sDrive28i
Audi TTS Roadster
Fuel Economy
35 mpg
combined
34 mpg
BMW Z4 Roadster sDrive28i
35 mpg
34 mpg
Audi TTS Roadster
26 mpg
city
28 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
503 mi
Range
495 mi
BMW Z4 Roadster sDrive28i
503 mi
495 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).
130.7 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
130.7 kWh
Audi TTS Roadster
Euro 5
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive28i
Audi TTS Roadster
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
540 lb
8.8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data