The Comparative Analysis :
BMW Z4 Roadster sDrive35i M DKG (13 - 16) vs. Audi TT Roadster 2.0 TDI DPF quattro (08 - 08)
€ 52,000

€ 35,900

€ 52,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 35,900
ⓘ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 sDrive35i is 2.4 inches longer, 2 inches narrower and 2.6 inches lower than the Audi TT Roadster 2.0 TDI DPF.
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
50.8
70.5
76.8
53.5
72.5
76.9
70.5 in
Width
72.5 in
76.8 in
Width Incl. Mirrors
76.9 in
50.8 in
Height
53.5 in
98.3
166.9
97.2
164.5
166.9 in
Length
164.5 in
98.3 in
Wheelbase
97.2 in
Vehicle Weight
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
3527 lb
Curb Weight
3285 lb
4090 lb
Gross Vehicle
Weight
Weight
3825 lb

Weight Difference:
243 lb
6.89 %

General
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
E89
Generation
8J
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Diesel

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

7-speed dual clutch transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with turbocharger
BMW N54
Engine Series
VW EA189
N54-B30
Engine Code
CBBB, CFGB

4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
302 hp
at 5800 rpm
Power
168 hp
at 4200 rpm
BMW Z4 Roadster sDrive35i
302 hp
168 hp
Audi TT Roadster 2.0 TDI DPF
295 lb‑ft
at 1300 rpm
Max. Torque
258 lb‑ft
at 1750 rpm
BMW Z4 Roadster sDrive35i
295 lb‑ft
258 lb‑ft
Audi TT Roadster 2.0 TDI DPF
Performance
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
155 mph
Maximum Speed
139 mph
5.1 sec
Acceleration 0 to 62 mph
7.7 sec
62 mph
62
mph
mph
233 ft
0.000 sec

BMW Z4 Roadster sDrive35i
62 mph
62
mph
mph
351 ft
0.000 sec

Audi TT Roadster 2.0 TDI DPF
▶ REPLAY
11.68 lb/hp
Weight-to-Power Ratio
19.55 lb/hp
BMW Z4 Roadster sDrive35i
11.68 lb/hp
19.55 lb/hp
Audi TT Roadster 2.0 TDI DPF
Fuel Economy / Emissions
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
Fuel Economy
26 mpg
combined
43 mpg
BMW Z4 Roadster sDrive35i
26 mpg
43 mpg
Audi TT Roadster 2.0 TDI DPF
19 mpg
city
33 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
15.9 gal
380 mi
Range
678 mi
BMW Z4 Roadster sDrive35i
380 mi
678 mi
Audi TT Roadster 2.0 TDI DPF
Environmental Impact
170.4 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).
113.1 kWh
BMW Z4 Roadster sDrive35i
170.4 kWh
113.1 kWh
Audi TT Roadster 2.0 TDI DPF
Euro 5
Emission Standard
Euro 4
338 g/mi (NEFZ)
CO2 Emissions
232 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive35i
Audi TT Roadster 2.0 TDI DPF
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