The Comparative Analysis :

BMW Z4 Roadster sDrive20i Automatic (13 - 16) vs. Audi TT Roadster 45 TFSI (18 - ..)

€ 39,600
BMW Z4 Roadster sDrive20i Automatic (13 - 16) BMW Z4 Roadster sDrive20i
€ 41,800
 Audi TT Roadster 45 TFSI (18 - ..) Audi TT Roadster 45 TFSI
€ 39,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 41,800

ⓘ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 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 45 TFSI.
BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
50.8
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
70.5
76.8
53.3
Blueprint Audi TT Roadster 45 TFSI (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 sDrive20i Automatic (13 - 16)
98.3
166.9
Blueprint Audi TT Roadster 45 TFSI (18 - ..)
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
3296 lb
Curb Weight
3120 lb
3858 lb
Gross Vehicle
Weight
3737 lb
BMW Z4 Roadster sDrive20i Automatic (13 - 16)
Weight Difference:
176 lb
5.34 %
Audi TT Roadster 45 TFSI (18 - ..)

General

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Front-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 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
DKT
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
181 hp
at 5000 rpm
Power
242 hp
at 5000 rpm
BMW Z4 Roadster sDrive20i
181 hp
242 hp
Audi TT Roadster 45 TFSI
199 lb‑ft
at 1250 rpm
Max. Torque
273 lb‑ft
at 1600 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
273 lb‑ft
Audi TT Roadster 45 TFSI

Performance

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
144 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
6.1 sec
62 mph 62
mph

328 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

279 ft
0.000 sec

Audi TT Roadster 45 TFSI

▶ REPLAY
18.21 lb/hp
Weight-to-Power Ratio
12.89 lb/hp
BMW Z4 Roadster sDrive20i
18.21 lb/hp
12.89 lb/hp
Audi TT Roadster 45 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
Fuel Economy
35 mpg
combined
35 mpg
BMW Z4 Roadster sDrive20i
35 mpg
35 mpg
Audi TT Roadster 45 TFSI
25 mpg
city
27 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
13.2 gal
Kraftstoffanzeige
503 mi
Range
464 mi
BMW Z4 Roadster sDrive20i
503 mi
464 mi
Audi TT Roadster 45 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).
127 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
127 kWh
Audi TT Roadster 45 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
256 g/mi (NEFZ)
CO2 Emissions
262 g/mi (WLTP)

Practical Convenience

BMW Z4 Roadster sDrive20i
Audi TT Roadster 45 TFSI
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
617 lb
8.8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data