The Comparative Analysis :

BMW Z4 Roadster sDrive30i (09 - 11) vs. Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)

€ 43,400
BMW Z4 Roadster sDrive30i (09 - 11) BMW Z4 Roadster sDrive30i
€ 46,300
 Audi TT Roadster 45 TFSI quattro S tronic (18 - ..) Audi TT Roadster 45 TFSI
€ 43,400
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 slightly. The BMW Z4 Roadster sDrive30i is 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 45 TFSI.
BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
50.8
Blueprint BMW Z4 Roadster sDrive30i (09 - 11)
70.5
76.8
53.3
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (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 sDrive30i (09 - 11)
98.3
166.9
Blueprint Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
3285 lb
Curb Weight
3373 lb
3847 lb
Gross Vehicle
Weight
3990 lb
BMW Z4 Roadster sDrive30i (09 - 11)
Weight Difference:
88 lb
2.61 %
Audi TT Roadster 45 TFSI quattro S tronic (18 - ..)

General

BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
VW EA888
N52-B30
Engine Code
DKT
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
254 hp
at 6600 rpm
Power
242 hp
at 5000 rpm
BMW Z4 Roadster sDrive30i
254 hp
242 hp
Audi TT Roadster 45 TFSI
229 lb‑ft
at 2600 rpm
Max. Torque
273 lb‑ft
at 1600 rpm
BMW Z4 Roadster sDrive30i
229 lb‑ft
273 lb‑ft
Audi TT Roadster 45 TFSI

Performance

BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
155 mph
Maximum Speed
155 mph
5.8 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph 62
mph

266 ft
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

249 ft
0.000 sec

Audi TT Roadster 45 TFSI

▶ REPLAY
12.93 lb/hp
Weight-to-Power Ratio
13.94 lb/hp
BMW Z4 Roadster sDrive30i
12.93 lb/hp
13.94 lb/hp
Audi TT Roadster 45 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
Audi TT Roadster 45 TFSI
Fuel Economy
28 mpg
combined
33 mpg
BMW Z4 Roadster sDrive30i
28 mpg
33 mpg
Audi TT Roadster 45 TFSI
19 mpg
city
26 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
11.9 gal
Kraftstoffanzeige
402 mi
Range
388 mi
BMW Z4 Roadster sDrive30i
402 mi
388 mi
Audi TT Roadster 45 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).
136.5 kWh
BMW Z4 Roadster sDrive30i
161.1 kWh
136.5 kWh
Audi TT Roadster 45 TFSI
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
320 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

BMW Z4 Roadster sDrive30i
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