The Comparative Analysis :

BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)

€ 61,000
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) BMW Z4 Roadster M40i
€ 46,300
 Audi TT Roadster 45 TFSI quattro S tronic (18 - ..) Audi TT Roadster 45 TFSI
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,300

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ considerably. The BMW Z4 Roadster M40i is 5.8 inches longer, 1.3 inches wider and 2 inches lower than the Audi TT Roadster 45 TFSI.
BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
73.4
79.7
53.3
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)
72.1
77.4
73.4 in
Width
72.1 in
79.7 in
Width Incl. Mirrors
77.4 in
51.3 in
Height
53.3 in
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)
98.6
164.4
170.2 in
Length
164.4 in
97.2 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
3549 lb
Curb Weight
3373 lb
4101 lb
Gross Vehicle
Weight
3990 lb
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
Weight Difference:
176 lb
4.96 %
Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)

General

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
G29
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B58
Engine Series
VW EA888
B58-B30
Engine Code
DKT
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
335 hp
at 5000 rpm
Power
242 hp
at 5000 rpm
BMW Z4 Roadster M40i
335 hp
242 hp
Audi TT Roadster 45 TFSI
369 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 1600 rpm
BMW Z4 Roadster M40i
369 lb‑ft
273 lb‑ft
Audi TT Roadster 45 TFSI

Performance

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

207 ft
0.000 sec

BMW Z4 Roadster M40i

62 mph 62
mph

249 ft
0.000 sec

Audi TT Roadster 45 TFSI

▶ REPLAY
10.59 lb/hp
Weight-to-Power Ratio
13.94 lb/hp
BMW Z4 Roadster M40i
10.59 lb/hp
13.94 lb/hp
Audi TT Roadster 45 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
Fuel Economy
33 mpg
combined
33 mpg
BMW Z4 Roadster M40i
33 mpg
33 mpg
Audi TT Roadster 45 TFSI
26 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
11.9 gal
Kraftstoffanzeige
455 mi
Range
388 mi
BMW Z4 Roadster M40i
455 mi
388 mi
Audi TT Roadster 45 TFSI
Environmental Impact
134.5 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).
136.5 kWh
BMW Z4 Roadster M40i
134.5 kWh
136.5 kWh
Audi TT Roadster 45 TFSI
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
307 g/mi (WLTP)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

BMW Z4 Roadster M40i
Audi TT Roadster 45 TFSI
2
Doors
2
2
No. of Seats
2
551 lb
Maximum Payload
617 lb
8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data