The Comparative Analysis :
BMW Z4 Roadster sDrive23i (09 - 11) vs. Audi TT Roadster 1.8 TFSI (15 - 18)
€ 36,400
€ 36,200
€ 36,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,200
ⓘ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 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 1.8 TFSI.
BMW Z4 Roadster sDrive23i
Audi TT Roadster 1.8 TFSI
50.8
70.5
76.8
53.3
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
98.3
166.9
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in
Vehicle Weight
BMW Z4 Roadster sDrive23i
Audi TT Roadster 1.8 TFSI
3263 lb
Curb Weight
3031 lb
3825 lb
Gross Vehicle
Weight
Weight
3571 lb
Weight Difference:
231 lb
7.08 %
General
BMW Z4 Roadster sDrive23i
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 manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive23i
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-B25
Engine Code
CJSA
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
1.8 L / 88 cu in
201 hp
at 6300 rpm
Power
178 hp
at 5100 rpm
BMW Z4 Roadster sDrive23i
201 hp
178 hp
Audi TT Roadster 1.8 TFSI
184 lb‑ft
at 2750 rpm
Max. Torque
184 lb‑ft
at 1250 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
184 lb‑ft
Audi TT Roadster 1.8 TFSI
Performance
BMW Z4 Roadster sDrive23i
Audi TT Roadster 1.8 TFSI
150 mph
Maximum Speed
147 mph
6.6 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive23i
62 mph
62
mph
mph
328 ft
0.000 sec
Audi TT Roadster 1.8 TFSI
▶ REPLAY
16.23 lb/hp
Weight-to-Power Ratio
17.03 lb/hp
BMW Z4 Roadster sDrive23i
16.23 lb/hp
17.03 lb/hp
Audi TT Roadster 1.8 TFSI
Fuel Economy / Emissions
BMW Z4 Roadster sDrive23i
Audi TT Roadster 1.8 TFSI
Fuel Economy
28 mpg
combined
40 mpg
BMW Z4 Roadster sDrive23i
28 mpg
40 mpg
Audi TT Roadster 1.8 TFSI
19 mpg
city
31 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
13.2 gal
402 mi
Range
526 mi
BMW Z4 Roadster sDrive23i
402 mi
526 mi
Audi TT Roadster 1.8 TFSI
Environmental Impact
161.1 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).
111.8 kWh
BMW Z4 Roadster sDrive23i
161.1 kWh
111.8 kWh
Audi TT Roadster 1.8 TFSI
Euro 5
Emission Standard
Euro 6b (NEFZ)
320 g/mi (NEFZ)
CO2 Emissions
222 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive23i
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
