The Comparative Analysis :

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

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

ⓘ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 Audi TT Roadster 45 TFSI is 5.8 inches shorter, 1.3 inches narrower and 2 inches taller than the BMW Z4 Roadster M40i.
Audi TT Roadster 45 TFSI
BMW Z4 Roadster M40i
53.3
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)
72.1
77.4
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
73.4
79.7
72.1 in
Width
73.4 in
77.4 in
Width Incl. Mirrors
79.7 in
53.3 in
Height
51.3 in
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)
98.6
164.4
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
164.4 in
Length
170.2 in
98.6 in
Wheelbase
97.2 in

Vehicle Weight

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

General

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

Engine

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

Performance

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

249 ft
0.000 sec

Audi TT Roadster 45 TFSI

62 mph 62
mph

207 ft
0.000 sec

BMW Z4 Roadster M40i

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

Fuel Economy / Emissions

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

Practical Convenience

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