The Comparative Analysis :

BMW Z4 Roadster sDrive18i (13 - 16) vs. Audi TT RS plus Roadster S tronic (12 - 14)

€ 34,300
BMW Z4 Roadster sDrive18i (13 - 16) BMW Z4 Roadster sDrive18i
€ 65,900
 Audi TT RS plus Roadster S tronic (12 - 14) Audi TT RS plus Roadster
€ 34,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 65,900

ⓘ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 1.6 inches longer, 2 inches narrower and 2.2 inches lower than the Audi TT RS plus Roadster.
BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
50.8
Blueprint BMW Z4 Roadster sDrive18i (13 - 16)
70.5
76.8
53.1
Blueprint Audi TT RS plus Roadster S tronic (12 - 14)
72.5
76.9
70.5 in
Width
72.5 in
76.8 in
Width Incl. Mirrors
76.9 in
50.8 in
Height
53.1 in
Blueprint BMW Z4 Roadster sDrive18i (13 - 16)
98.3
166.9
Blueprint Audi TT RS plus Roadster S tronic (12 - 14)
97.2
165.3
166.9 in
Length
165.3 in
98.3 in
Wheelbase
97.2 in

Vehicle Weight

BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
3241 lb
Curb Weight
3549 lb
3803 lb
Gross Vehicle
Weight
4090 lb
BMW Z4 Roadster sDrive18i (13 - 16)
Weight Difference:
309 lb
8.71 %
Audi TT RS plus Roadster S tronic (12 - 14)

General

BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
E89
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
7-speed dual clutch transmission

Engine

BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-five gasoline engine with tur­bo­charger
BMW N20
Engine Series
VW EA855
N20-B20
Engine Code
CEPB
4
Valves
4
4
Cylinders
5
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
154 hp
at 5000 rpm
Power
355 hp
at 5500 rpm
BMW Z4 Roadster sDrive18i
154 hp
355 hp
Audi TT RS plus Roadster
177 lb‑ft
at 1250 rpm
Max. Torque
343 lb‑ft
at 1650 rpm
BMW Z4 Roadster sDrive18i
177 lb‑ft
343 lb‑ft
Audi TT RS plus Roadster

Performance

BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
137 mph
Maximum Speed
174 mph
7.9 sec
Acceleration 0 to 62 mph
4.2 sec
62 mph 62
mph

361 ft
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

190 ft
0.000 sec

Audi TT RS plus Roadster

▶ REPLAY
21.05 lb/hp
Weight-to-Power Ratio
10 lb/hp
BMW Z4 Roadster sDrive18i
21.05 lb/hp
10 lb/hp
Audi TT RS plus Roadster

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Audi TT RS plus Roadster
Fuel Economy
35 mpg
combined
27 mpg
BMW Z4 Roadster sDrive18i
35 mpg
27 mpg
Audi TT RS plus Roadster
26 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
503 mi
Range
434 mi
BMW Z4 Roadster sDrive18i
503 mi
434 mi
Audi TT RS plus 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).
162.9 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
162.9 kWh
Audi TT RS plus Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)

Practical Convenience

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