The Comparative Analysis :

BMW Z4 Roadster sDrive28i Automatic (13 - 16) vs. BMW Z4 Roadster sDrive35i (09 - 13)

€ 46,600
BMW Z4 Roadster sDrive28i Automatic (13 - 16) Z4 Roadster sDrive28i
€ 49,300
 BMW Z4 Roadster sDrive35i (09 - 13) Z4 Roadster sDrive35i
€ 46,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 49,300

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

Vehicle Dimensions

The dimensions of the Z4 Roadster sDrive28i and the Z4 Roadster sDrive35i are absolutely identical. Both are 166.9 inches long, 70.5 inches wide and 50.8 inches tall.
Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
50.8
Blueprint BMW Z4 Roadster sDrive28i Automatic (13 - 16)
70.5
76.8
50.8
Blueprint BMW Z4 Roadster sDrive35i (09 - 13)
70.5
76.8
70.5 in
Width
70.5 in
76.8 in
Width Incl. Mirrors
76.8 in
50.8 in
Height
50.8 in
Blueprint BMW Z4 Roadster sDrive28i Automatic (13 - 16)
98.3
166.9
Blueprint BMW Z4 Roadster sDrive35i (09 - 13)
98.3
166.9
166.9 in
Length
166.9 in
98.3 in
Wheelbase
98.3 in

Vehicle Weight

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
3296 lb
Curb Weight
3483 lb
3858 lb
Gross Vehicle
Weight
4045 lb
BMW Z4 Roadster sDrive28i Automatic (13 - 16)
Weight Difference:
187 lb
5.37 %
BMW Z4 Roadster sDrive35i (09 - 13)

General

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
E89
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
6-speed manual transmission

Engine

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
BMW N54
N20-B20
Engine Code
N54-B30
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
242 hp
at 5000 rpm
Power
302 hp
at 5800 rpm
Z4 Roadster sDrive28i
242 hp
302 hp
Z4 Roadster sDrive35i
258 lb‑ft
at 1250 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
Z4 Roadster sDrive28i
258 lb‑ft
295 lb‑ft
Z4 Roadster sDrive35i

Performance

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

259 ft
0.000 sec

Z4 Roadster sDrive28i

62 mph 62
mph

236 ft
0.000 sec

Z4 Roadster sDrive35i

▶ REPLAY
13.62 lb/hp
Weight-to-Power Ratio
11.53 lb/hp
Z4 Roadster sDrive28i
13.62 lb/hp
11.53 lb/hp
Z4 Roadster sDrive35i

Fuel Economy / Emissions

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
Fuel Economy
35 mpg
combined
25 mpg
Z4 Roadster sDrive28i
35 mpg
25 mpg
Z4 Roadster sDrive35i
25 mpg
city
17 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
503 mi
Range
364 mi
Z4 Roadster sDrive28i
503 mi
364 mi
Z4 Roadster sDrive35i
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).
178.2 kWh
Z4 Roadster sDrive28i
128.7 kWh
178.2 kWh
Z4 Roadster sDrive35i
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)

Practical Convenience

Z4 Roadster sDrive28i
Z4 Roadster sDrive35i
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
562 lb
8.8 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data