The Comparative Analysis :
Audi TT Roadster 1.8 TFSI (08 - 10) vs. BMW Z4 Roadster sDrive28i Automatic (13 - 16)
€ 31,100

€ 46,600

€ 31,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,600
ⓘ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 Audi TT Roadster 1.8 TFSI is 6.1 cm shorter, 5.2 cm wider and 6.7 cm taller than the BMW Z4 Roadster sDrive28i.
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
1358
1842
1952
1291
1790
1951
1842 mm
Width
1790 mm
1952 mm
Width Incl. Mirrors
1951 mm
1358 mm
Height
1291 mm
2468
4178
2496
4239
4178 mm
Length
4239 mm
2468 mm
Wheelbase
2496 mm
Vehicle Weight
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
1360 kg
Kerb Weight
1495 kg
1605 kg
Gross Vehicle
Weight
Weight
1750 kg

Weight Difference:
135 kg
9.03 %

General
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
8J
Generation
E89
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)

Front-wheel drive
Drive
Rear-wheel drive

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
VW EA888
Engine Series
BMW N20
CDAA
Engine Code
N20-B20


4
Valves
4
4
Cylinders
4
1798 CC
Engine Capacity
1997 CC
158 bhp
at 4500 rpm
Power
242 bhp
at 5000 rpm
Audi TT Roadster 1.8 TFSI
158 bhp
242 bhp
BMW Z4 Roadster sDrive28i
250 NM
at 1500 rpm
Max. Torque
350 NM
at 1250 rpm
Audi TT Roadster 1.8 TFSI
250 NM
350 NM
BMW Z4 Roadster sDrive28i
Performance
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
139 mph
Maximum Speed
155 mph
7.4 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
103 m
0.000 sec

Audi TT Roadster 1.8 TFSI
62 mph
62
mph
mph
79 m
0.000 sec

BMW Z4 Roadster sDrive28i
▶ REPLAY
8.61 kg/bhp
Weight-to-Power Ratio
6.18 kg/bhp
Audi TT Roadster 1.8 TFSI
8.61 kg/bhp
6.18 kg/bhp
BMW Z4 Roadster sDrive28i
Fuel Economy / Emissions
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
Fuel Economy
41 mpg
combined
42 mpg
Audi TT Roadster 1.8 TFSI
41 mpg
42 mpg
BMW Z4 Roadster sDrive28i
31 mpg
city
30 mpg
No data
motorway
No data
55 L
Fuel Tank Capacity
55 L
495 mi
Range
503 mi
Audi TT Roadster 1.8 TFSI
495 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
130.7 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).
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).
128.7 kWh
Audi TT Roadster 1.8 TFSI
130.7 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 5
Emission Standard
Euro 6b (NEFZ)
159 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Audi TT Roadster 1.8 TFSI
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
245 kg
Maximum Payload
255 kg
250 L
Boot Capacity
310 L






No data
Boot Capacity (Seats Down)
No data