The Comparative Analysis :
BMW Z4 Roadster sDrive20i (11 - 13) vs. Audi TT Roadster 2.0 TFSI S tronic (10 - 14)
€ 36,600

€ 38,600

€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,600
ⓘ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 sDrive20i is 2 inches longer, 2 inches narrower and 2.6 inches lower than the Audi TT Roadster 2.0 TFSI.
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
50.8
70.5
76.8
53.4
72.5
76.9
70.5 in
Width
72.5 in
76.8 in
Width Incl. Mirrors
76.9 in
50.8 in
Height
53.4 in
98.3
166.9
97.2
164.8
166.9 in
Length
164.8 in
98.3 in
Wheelbase
97.2 in
Vehicle Weight
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
3241 lb
Curb Weight
3064 lb
3803 lb
Gross Vehicle
Weight
Weight
3605 lb

Weight Difference:
176 lb
5.43 %

General
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
E89
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Front-wheel drive

6-speed manual transmission
Transmission
6-speed dual clutch transmission
Engine
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
CESA, CETA


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
208 hp
at 4300 rpm
BMW Z4 Roadster sDrive20i
181 hp
208 hp
Audi TT Roadster 2.0 TFSI
199 lb‑ft
at 1250 rpm
Max. Torque
258 lb‑ft
at 1600 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
258 lb‑ft
Audi TT Roadster 2.0 TFSI
Performance
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
146 mph
Maximum Speed
150 mph
6.9 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph
62
mph
mph
315 ft
0.000 sec

BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
279 ft
0.000 sec

Audi TT Roadster 2.0 TFSI
▶ REPLAY
17.91 lb/hp
Weight-to-Power Ratio
14.73 lb/hp
BMW Z4 Roadster sDrive20i
17.91 lb/hp
14.73 lb/hp
Audi TT Roadster 2.0 TFSI
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
Fuel Economy
35 mpg
combined
33 mpg
BMW Z4 Roadster sDrive20i
35 mpg
33 mpg
Audi TT Roadster 2.0 TFSI
26 mpg
city
24 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
14.5 gal
503 mi
Range
475 mi
BMW Z4 Roadster sDrive20i
503 mi
475 mi
Audi TT Roadster 2.0 TFSI
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).
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).
136.5 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
136.5 kWh
Audi TT Roadster 2.0 TFSI
Euro 5
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
270 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive20i
Audi TT Roadster 2.0 TFSI
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
540 lb
8.8 cu ft
Trunk Volume
7.1 cu ft






No data
Cargo Volume (Seats Down)
No data