The Comparative Analysis :

BMW Z4 Roadster sDrive18i (13 - 16) vs. Audi TT Roadster 1.8 TFSI (08 - 10)

€ 34,300
BMW Z4 Roadster sDrive18i (13 - 16) BMW Z4 Roadster sDrive18i
€ 31,100
 Audi TT Roadster 1.8 TFSI (08 - 10) Audi TT Roadster 1.8 TFSI
€ 34,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 31,100

ⓘ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 6.1 cm longer, 5.2 cm narrower and 6.7 cm lower than the Audi TT Roadster 1.8 TFSI.
BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
1291
Blueprint BMW Z4 Roadster sDrive18i (13 - 16)
1790
1951
1358
Blueprint Audi TT Roadster 1.8 TFSI (08 - 10)
1842
1952
1790 mm
Width
1842 mm
1951 mm
Width Incl. Mirrors
1952 mm
1291 mm
Height
1358 mm
Blueprint BMW Z4 Roadster sDrive18i (13 - 16)
2496
4239
Blueprint Audi TT Roadster 1.8 TFSI (08 - 10)
2468
4178
4239 mm
Length
4178 mm
2496 mm
Wheelbase
2468 mm

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
1470 kg
Kerb Weight
1360 kg
1725 kg
Gross Vehicle
Weight
1605 kg
BMW Z4 Roadster sDrive18i (13 - 16)
Weight Difference:
110 kg
7.48 %
Audi TT Roadster 1.8 TFSI (08 - 10)

General

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
E89
Generation
8J
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
Rear-wheel drive
Drive
Front-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW N20
Engine Series
VW EA888
N20-B20
Engine Code
CDAA
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1798 CC
154 bhp
at 5000 rpm
Power
158 bhp
at 4500 rpm
BMW Z4 Roadster sDrive18i
154 bhp
158 bhp
Audi TT Roadster 1.8 TFSI
240 NM
at 1250 rpm
Max. Torque
250 NM
at 1500 rpm
BMW Z4 Roadster sDrive18i
240 NM
250 NM
Audi TT Roadster 1.8 TFSI

Performance

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
137 mph
Maximum Speed
139 mph
7.9 sec
Acceleration 0 to 62 mph
7.4 sec
62 mph 62
mph

110 m
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

103 m
0.000 sec

Audi TT Roadster 1.8 TFSI

▶ REPLAY
9.55 kg/bhp
Weight-to-Power Ratio
8.61 kg/bhp
BMW Z4 Roadster sDrive18i
9.55 kg/bhp
8.61 kg/bhp
Audi TT Roadster 1.8 TFSI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
Fuel Economy
42 mpg
combined
41 mpg
BMW Z4 Roadster sDrive18i
42 mpg
41 mpg
Audi TT Roadster 1.8 TFSI
32 mpg
city
31 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
55 L
Kraftstoffanzeige
503 mi
Range
495 mi
BMW Z4 Roadster sDrive18i
503 mi
495 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).
130.7 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
130.7 kWh
Audi TT Roadster 1.8 TFSI
Euro 6b (NEFZ)
Emission Standard
Euro 5
159 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive18i
Audi TT Roadster 1.8 TFSI
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
245 kg
310 L
Boot Capacity
250 L
No data
Boot Capacity (Seats Down)
No data