The Comparative Analysis :

BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) vs. Audi TTS Roadster quattro (15 - 18)

€ 38,800
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive23i
€ 54,000
 Audi TTS Roadster quattro (15 - 18) Audi TTS Roadster
€ 38,800
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 sDrive23i is 1.9 inches longer, 1.7 inches narrower and 2.1 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive23i
Audi TTS Roadster
50.8
Blueprint BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
70.5
76.8
53
Blueprint Audi TTS Roadster quattro (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 sDrive23i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint Audi TTS Roadster quattro (15 - 18)
98.6
165
166.9 in
Length
165 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive23i
Audi TTS Roadster
3318 lb
Curb Weight
3362 lb
3880 lb
Gross Vehicle
Weight
3902 lb
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
Weight Difference:
44 lb
1.31 %
Audi TTS Roadster quattro (15 - 18)

General

BMW Z4 Roadster sDrive23i
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)
6-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive23i
Audi TTS Roadster
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
VW EA888
N52-B25
Engine Code
CJXG
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
2 L / 98 cu in
201 hp
at 6300 rpm
Power
306 hp
at 5800 rpm
BMW Z4 Roadster sDrive23i
201 hp
306 hp
Audi TTS Roadster
184 lb‑ft
at 2750 rpm
Max. Torque
280 lb‑ft
at 1800 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
280 lb‑ft
Audi TTS Roadster

Performance

BMW Z4 Roadster sDrive23i
Audi TTS Roadster
149 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

331 ft
0.000 sec

BMW Z4 Roadster sDrive23i

62 mph 62
mph

236 ft
0.000 sec

Audi TTS Roadster

▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
10.99 lb/hp
BMW Z4 Roadster sDrive23i
16.51 lb/hp
10.99 lb/hp
Audi TTS Roadster

Fuel Economy / Emissions

BMW Z4 Roadster sDrive23i
Audi TTS Roadster
Fuel Economy
29 mpg
combined
32 mpg
BMW Z4 Roadster sDrive23i
29 mpg
32 mpg
Audi TTS Roadster
20 mpg
city
25 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
417 mi
Range
468 mi
BMW Z4 Roadster sDrive23i
417 mi
468 mi
Audi TTS Roadster
Environmental Impact
155.3 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 sDrive23i
155.3 kWh
138.2 kWh
Audi TTS Roadster
Euro 5
Emission Standard
Euro 6b (NEFZ)
309 g/mi (NEFZ)
CO2 Emissions
272 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive23i
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