The Comparative Analysis :

BMW Z4 Roadster sDrive18i Automatic (13 - 16) vs. Audi TT Roadster 2.0 TDI quattro S tronic (16 - 18)

€ 36,600
BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 44,900
 Audi TT Roadster 2.0 TDI quattro S tronic (16 - 18) Audi TT Roadster 2.0 TDI
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,900

ⓘ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 sDrive18i is 2.4 inches longer, 1.7 inches narrower and 2.5 inches lower than the Audi TT Roadster 2.0 TDI.
BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
70.5
76.8
53.3
Blueprint Audi TT Roadster 2.0 TDI quattro S tronic (16 - 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 sDrive18i Automatic (13 - 16)
98.3
166.9
Blueprint Audi TT Roadster 2.0 TDI quattro S tronic (16 - 18)
98.6
164.4
166.9 in
Length
164.4 in
98.3 in
Wheelbase
98.6 in

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
3296 lb
Curb Weight
3395 lb
3858 lb
Gross Vehicle
Weight
3935 lb
BMW Z4 Roadster sDrive18i Automatic (13 - 16)
Weight Difference:
99 lb
2.92 %
Audi TT Roadster 2.0 TDI quattro S tronic (16 - 18)

General

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
6-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four diesel engine with tur­bo­charger
BMW N20
Engine Series
VW EA288
N20-B20
Engine Code
CUNA
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
154 hp
at 5000 rpm
Power
181 hp
at 3500 rpm
BMW Z4 Roadster sDrive18i
154 hp
181 hp
Audi TT Roadster 2.0 TDI
177 lb‑ft
at 1250 rpm
Max. Torque
280 lb‑ft
at 1750 rpm
BMW Z4 Roadster sDrive18i
177 lb‑ft
280 lb‑ft
Audi TT Roadster 2.0 TDI

Performance

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
137 mph
Maximum Speed
143 mph
8.1 sec
Acceleration 0 to 62 mph
7 sec
62 mph 62
mph

371 ft
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

318 ft
0.000 sec

Audi TT Roadster 2.0 TDI

▶ REPLAY
21.4 lb/hp
Weight-to-Power Ratio
18.76 lb/hp
BMW Z4 Roadster sDrive18i
21.4 lb/hp
18.76 lb/hp
Audi TT Roadster 2.0 TDI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
Fuel Economy
35 mpg
combined
44 mpg
BMW Z4 Roadster sDrive18i
35 mpg
44 mpg
Audi TT Roadster 2.0 TDI
25 mpg
city
37 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
503 mi
Range
633 mi
BMW Z4 Roadster sDrive18i
503 mi
633 mi
Audi TT Roadster 2.0 TDI
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).
111 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
111 kWh
Audi TT Roadster 2.0 TDI
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
229 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive18i
Audi TT Roadster 2.0 TDI
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
540 lb
8.8 cu ft
Trunk Volume
7.9 cu ft
No data
Cargo Volume (Seats Down)
No data