The Comparative Analysis :

BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)

€ 43,300
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) Z4 Roadster sDrive20i
€ 57,300
BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13) Z4 Roadster sDrive35is
€ 43,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 57,300

Base price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Z4 Roadster sDrive20i is slightly bigger in every dimension. It's 3.1 inches longer, 2.9 inches wider and 0.8 inches taller than the Z4 Roadster sDrive35is.
Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
51.3
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
73.4
79.7
50.6
Blueprint BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
70.5
76.8
73.4 in
Width
70.5 in
79.7 in
Width Incl. Mirrors
76.8 in
51.3 in
Height
50.6 in
Blueprint BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)
98.3
167.1
170.2 in
Length
167.1 in
97.2 in
Wheelbase
98.3 in

Vehicle Weight

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
3296 lb
Curb Weight
3527 lb
3836 lb
Gross Vehicle
Weight
4090 lb
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..)
Weight Difference:
231 lb
6.55 %
BMW Z4 Roadster sDrive35is Sport-Automatic DKG (10 - 13)

General

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
G29
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B48
Engine Series
BMW N54
B48-B20
Engine Code
N54-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
194 hp
at 4500 rpm
Power
335 hp
at 5900 rpm
Z4 Roadster sDrive20i
194 hp
335 hp
Z4 Roadster sDrive35is
236 lb‑ft
at 1450 rpm
Max. Torque
332 lb‑ft
at 1500 rpm
Z4 Roadster sDrive20i
236 lb‑ft
332 lb‑ft
Z4 Roadster sDrive35is

Performance

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
149 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
4.8 sec
62 mph 62
mph

302 ft
0.000 sec

Z4 Roadster sDrive20i

62 mph 62
mph

220 ft
0.000 sec

Z4 Roadster sDrive35is

 REPLAY
16.99 lb/hp
Weight-to-Power Ratio
10.53 lb/hp
Z4 Roadster sDrive20i
16.99 lb/hp
10.53 lb/hp
Z4 Roadster sDrive35is

Fuel Economy / Emissions

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
Fuel Economy
39 mpg
combined
26 mpg
Z4 Roadster sDrive20i
39 mpg
26 mpg
Z4 Roadster sDrive35is
32 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
529 mi
Range
380 mi
Z4 Roadster sDrive20i
529 mi
380 mi
Z4 Roadster sDrive35is
Environmental Impact
115.6 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).
170.4 kWh
Z4 Roadster sDrive20i
115.6 kWh
170.4 kWh
Z4 Roadster sDrive35is
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 5
269 g/mi (WLTP)
CO2 Emissions
338 g/mi (NEFZ)

Practical Convenience

Z4 Roadster sDrive20i
Z4 Roadster sDrive35is
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
562 lb
8 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data