The Comparative Analysis :

BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. Audi TT Roadster 1.8 TFSI S tronic (15 - 18)

€ 45,800
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive30i
€ 38,300
 Audi TT Roadster 1.8 TFSI S tronic (15 - 18) Audi TT Roadster 1.8 TFSI
€ 45,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,300

ⓘ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 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 1.8 TFSI.
BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
50.8
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
70.5
76.8
53.3
Blueprint Audi TT Roadster 1.8 TFSI 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
53.3 in
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint Audi TT Roadster 1.8 TFSI S tronic (15 - 18)
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
3318 lb
Curb Weight
3075 lb
3880 lb
Gross Vehicle
Weight
3616 lb
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
Weight Difference:
243 lb
7.32 %
Audi TT Roadster 1.8 TFSI S tronic (15 - 18)

General

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Front-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
VW EA888
N52-B30
Engine Code
CJSA
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
1.8 L / 88 cu in
254 hp
at 6600 rpm
Power
178 hp
at 5100 rpm
BMW Z4 Roadster sDrive30i
254 hp
178 hp
Audi TT Roadster 1.8 TFSI
229 lb‑ft
at 2600 rpm
Max. Torque
184 lb‑ft
at 1250 rpm
BMW Z4 Roadster sDrive30i
229 lb‑ft
184 lb‑ft
Audi TT Roadster 1.8 TFSI

Performance

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
155 mph
Maximum Speed
147 mph
6.1 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph 62
mph

279 ft
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

331 ft
0.000 sec

Audi TT Roadster 1.8 TFSI

▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
17.28 lb/hp
BMW Z4 Roadster sDrive30i
13.06 lb/hp
17.28 lb/hp
Audi TT Roadster 1.8 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
Fuel Economy
28 mpg
combined
41 mpg
BMW Z4 Roadster sDrive30i
28 mpg
41 mpg
Audi TT Roadster 1.8 TFSI
20 mpg
city
33 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
13.2 gal
Kraftstoffanzeige
412 mi
Range
536 mi
BMW Z4 Roadster sDrive30i
412 mi
536 mi
Audi TT Roadster 1.8 TFSI
Environmental Impact
157.2 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).
109.9 kWh
BMW Z4 Roadster sDrive30i
157.2 kWh
109.9 kWh
Audi TT Roadster 1.8 TFSI
Euro 5
Emission Standard
Euro 6b (NEFZ)
314 g/mi (NEFZ)
CO2 Emissions
212 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive30i
Audi TT Roadster 1.8 TFSI
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