The Comparative Analysis :
BMW Z4 Roadster sDrive28i Automatic (13 - 16) vs. Audi TT RS Roadster quattro S tronic (19 - ..)
€ 46,600

€ 70,500

€ 46,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,500
ⓘ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 sDrive28i is 1.5 inches longer, 1.7 inches narrower and 2.2 inches lower than the Audi TT RS Roadster.
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
50.8
70.5
76.8
53
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 in
98.3
166.9
98.6
165.4
166.9 in
Length
165.4 in
98.3 in
Wheelbase
98.6 in
Vehicle Weight
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
3296 lb
Curb Weight
3538 lb
3858 lb
Gross Vehicle
Weight
Weight
4156 lb

Weight Difference:
243 lb
6.87 %

General
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
E89
Generation
8S
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
Straight-four gasoline engine with turbocharger
Engine Type
Straight-five gasoline engine with turbocharger
BMW N20
Engine Series
VW EA855 evo
N20-B20
Engine Code
DNWA

4
Valves
4
4
Cylinders
5
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
242 hp
at 5000 rpm
Power
395 hp
at 5850 rpm
BMW Z4 Roadster sDrive28i
242 hp
395 hp
Audi TT RS Roadster
258 lb‑ft
at 1250 rpm
Max. Torque
354 lb‑ft
at 1950 rpm
BMW Z4 Roadster sDrive28i
258 lb‑ft
354 lb‑ft
Audi TT RS Roadster
Performance
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
259 ft
0.000 sec

BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
177 ft
0.000 sec

Audi TT RS Roadster
▶ REPLAY
13.62 lb/hp
Weight-to-Power Ratio
8.96 lb/hp
BMW Z4 Roadster sDrive28i
13.62 lb/hp
8.96 lb/hp
Audi TT RS Roadster
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
Fuel Economy
35 mpg
combined
29 mpg
BMW Z4 Roadster sDrive28i
35 mpg
29 mpg
Audi TT RS Roadster
25 mpg
city
22 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
14.5 gal
503 mi
Range
428 mi
BMW Z4 Roadster sDrive28i
503 mi
428 mi
Audi TT RS Roadster
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).
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).
151.6 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
151.6 kWh
Audi TT RS Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
256 g/mi (NEFZ)
CO2 Emissions
343 g/mi (WLTP)
Practical Convenience
BMW Z4 Roadster sDrive28i
Audi TT RS Roadster
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