The Comparative Analysis :

BMW Z4 Roadster sDrive20i Automatic (13 - 16) vs. Audi TT Roadster 1.8 TFSI (15 - 18)

€ 39,600
BMW Z4 Roadster sDrive20i Automatic (13 - 16) BMW Z4 Roadster sDrive20i
€ 36,200
 Audi TT Roadster 1.8 TFSI (15 - 18) Audi TT Roadster 1.8 TFSI
€ 39,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,200

ⓘ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 1.8 TFSI.
BMW Z4 Roadster sDrive20i
Audi TT Roadster 1.8 TFSI
50.8
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
70.5
76.8
53.3
Blueprint Audi TT Roadster 1.8 TFSI (15 - 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 1.8 TFSI (15 - 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 1.8 TFSI
3296 lb
Curb Weight
3031 lb
3858 lb
Gross Vehicle
Weight
3571 lb
BMW Z4 Roadster sDrive20i Automatic (13 - 16)
Weight Difference:
265 lb
8.04 %
Audi TT Roadster 1.8 TFSI (15 - 18)

General

BMW Z4 Roadster sDrive20i
Audi TT Roadster 1.8 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 1.8 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
CJSA
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
1.8 L / 88 cu in
181 hp
at 5000 rpm
Power
178 hp
at 5100 rpm
BMW Z4 Roadster sDrive20i
181 hp
178 hp
Audi TT Roadster 1.8 TFSI
199 lb‑ft
at 1250 rpm
Max. Torque
184 lb‑ft
at 1250 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
184 lb‑ft
Audi TT Roadster 1.8 TFSI

Performance

BMW Z4 Roadster sDrive20i
Audi TT Roadster 1.8 TFSI
144 mph
Maximum Speed
147 mph
7.2 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph 62
mph

328 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

328 ft
0.000 sec

Audi TT Roadster 1.8 TFSI

▶ REPLAY
18.21 lb/hp
Weight-to-Power Ratio
17.03 lb/hp
BMW Z4 Roadster sDrive20i
18.21 lb/hp
17.03 lb/hp
Audi TT Roadster 1.8 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Audi TT Roadster 1.8 TFSI
Fuel Economy
35 mpg
combined
40 mpg
BMW Z4 Roadster sDrive20i
35 mpg
40 mpg
Audi TT Roadster 1.8 TFSI
25 mpg
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
13.2 gal
Kraftstoffanzeige
503 mi
Range
526 mi
BMW Z4 Roadster sDrive20i
503 mi
526 mi
Audi TT Roadster 1.8 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).
111.8 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
111.8 kWh
Audi TT Roadster 1.8 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
256 g/mi (NEFZ)
CO2 Emissions
222 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Audi TT Roadster 1.8 TFSI
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