The Comparative Analysis :
Audi TT Roadster 45 TFSI (18 - ..) vs. BMW Z4 Roadster sDrive20i Automatic (13 - 16)
€ 41,800

€ 39,600

€ 41,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,600
ⓘ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 Audi TT Roadster 45 TFSI is 2.4 inches shorter, 1.7 inches wider and 2.5 inches taller than the BMW Z4 Roadster sDrive20i.
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
53.3
72.1
77.4
50.8
70.5
76.8
72.1 in
Width
70.5 in
77.4 in
Width Incl. Mirrors
76.8 in
53.3 in
Height
50.8 in
98.6
164.4
98.3
166.9
164.4 in
Length
166.9 in
98.6 in
Wheelbase
98.3 in
Vehicle Weight
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
3120 lb
Curb Weight
3296 lb
3737 lb
Gross Vehicle
Weight
Weight
3858 lb

Weight Difference:
176 lb
5.34 %

General
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
8S
Generation
E89
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Front-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
VW EA888
Engine Series
BMW N20
DKT
Engine Code
N20-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
181 hp
at 5000 rpm
Audi TT Roadster 45 TFSI
242 hp
181 hp
BMW Z4 Roadster sDrive20i
273 lb‑ft
at 1600 rpm
Max. Torque
199 lb‑ft
at 1250 rpm
Audi TT Roadster 45 TFSI
273 lb‑ft
199 lb‑ft
BMW Z4 Roadster sDrive20i
Performance
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
155 mph
Maximum Speed
144 mph
6.1 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
279 ft
0.000 sec

Audi TT Roadster 45 TFSI
62 mph
62
mph
mph
328 ft
0.000 sec

BMW Z4 Roadster sDrive20i
▶ REPLAY
12.89 lb/hp
Weight-to-Power Ratio
18.21 lb/hp
Audi TT Roadster 45 TFSI
12.89 lb/hp
18.21 lb/hp
BMW Z4 Roadster sDrive20i
Fuel Economy / Emissions
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
Fuel Economy
35 mpg
combined
35 mpg
Audi TT Roadster 45 TFSI
35 mpg
35 mpg
BMW Z4 Roadster sDrive20i
27 mpg
city
25 mpg
No data
highway
No data
13.2 gal
Fuel Tank Capacity
14.5 gal
464 mi
Range
503 mi
Audi TT Roadster 45 TFSI
464 mi
503 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
127 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).
128.7 kWh
Audi TT Roadster 45 TFSI
127 kWh
128.7 kWh
BMW Z4 Roadster sDrive20i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
262 g/mi (WLTP)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Audi TT Roadster 45 TFSI
BMW Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
617 lb
Maximum Payload
562 lb
7.9 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data