The Comparative Analysis :
BMW Z4 Roadster sDrive28i (13 - 16) vs. Audi TTS Roadster (08 - 10)
€ 44,300
€ 48,600
€ 44,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 48,600
ⓘ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 BMW Z4 Roadster sDrive28i is 1.6 inches longer, 2 inches narrower and 2.3 inches lower than the Audi TTS Roadster.
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
50.8
70.5
76.8
53.1
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
98.3
166.9
97.2
165.3
166.9 in
Length
165.3 in
98.3 in
Wheelbase
97.2 in
Vehicle Weight
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
3252 lb
Curb Weight
3208 lb
3814 lb
Gross Vehicle
Weight
Weight
3913 lb
Weight Difference:
44 lb
1.35 %
General
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
E89
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
BMW N20
Engine Series
VW EA113
N20-B20
Engine Code
CDLB
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
268 hp
at 6000 rpm
BMW Z4 Roadster sDrive28i
242 hp
268 hp
Audi TTS Roadster
258 lb‑ft
at 1250 rpm
Max. Torque
258 lb‑ft
at 2500 rpm
BMW Z4 Roadster sDrive28i
258 lb‑ft
258 lb‑ft
Audi TTS Roadster
Performance
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
259 ft
0.000 sec
BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
256 ft
0.000 sec
Audi TTS Roadster
▶ REPLAY
13.44 lb/hp
Weight-to-Power Ratio
11.97 lb/hp
BMW Z4 Roadster sDrive28i
13.44 lb/hp
11.97 lb/hp
Audi TTS Roadster
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
Fuel Economy
35 mpg
combined
28 mpg
BMW Z4 Roadster sDrive28i
35 mpg
28 mpg
Audi TTS Roadster
26 mpg
city
21 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
15.9 gal
503 mi
Range
449 mi
BMW Z4 Roadster sDrive28i
503 mi
449 mi
Audi TTS 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).
157.2 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
157.2 kWh
Audi TTS Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
311 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive28i
Audi TTS Roadster
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
705 lb
8.8 cu ft
Trunk Volume
7.1 cu ft
No data
Cargo Volume (Seats Down)
No data
