The Comparative Analysis :

BMW Z4 Roadster sDrive28i (13 - 16) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)

€ 44,300
BMW Z4 Roadster sDrive28i (13 - 16) Z4 Roadster sDrive28i
€ 36,600
 BMW Z4 Roadster sDrive18i Automatic (13 - 16) Z4 Roadster sDrive18i
€ 44,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,600

ⓘ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 sDrive18i are absolutely identical. Both are 4239 mm long, 1790 mm wide and 1291 mm tall.
Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
1291
Blueprint BMW Z4 Roadster sDrive28i (13 - 16)
1790
1951
1291
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
1790
1951
1790 mm
Width
1790 mm
1951 mm
Width Incl. Mirrors
1951 mm
1291 mm
Height
1291 mm
Blueprint BMW Z4 Roadster sDrive28i (13 - 16)
2496
4239
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
2496
4239
4239 mm
Length
4239 mm
2496 mm
Wheelbase
2496 mm

Vehicle Weight

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
1475 kg
Kerb Weight
1495 kg
1730 kg
Gross Vehicle
Weight
1750 kg
BMW Z4 Roadster sDrive28i (13 - 16)
Weight Difference:
20 kg
1.34 %
BMW Z4 Roadster sDrive18i Automatic (13 - 16)

General

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
E89
Generation
E89
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
Straight-four petrol engine with tur­bo­charger
Engine Type
Straight-four petrol engine with tur­bo­charger
BMW N20
Engine Series
BMW N20
N20-B20
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1997 CC
242 bhp
at 5000 rpm
Power
154 bhp
at 5000 rpm
Z4 Roadster sDrive28i
242 bhp
154 bhp
Z4 Roadster sDrive18i
350 NM
at 1250 rpm
Max. Torque
240 NM
at 1250 rpm
Z4 Roadster sDrive28i
350 NM
240 NM
Z4 Roadster sDrive18i

Performance

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
155 mph
Maximum Speed
137 mph
5.7 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

79 m
0.000 sec

Z4 Roadster sDrive28i

62 mph 62
mph

113 m
0.000 sec

Z4 Roadster sDrive18i

▶ REPLAY
6.1 kg/bhp
Weight-to-Power Ratio
9.71 kg/bhp
Z4 Roadster sDrive28i
6.1 kg/bhp
9.71 kg/bhp
Z4 Roadster sDrive18i

Fuel Economy / Emissions

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
Fuel Economy
42 mpg
combined
42 mpg
Z4 Roadster sDrive28i
42 mpg
42 mpg
Z4 Roadster sDrive18i
31 mpg
city
30 mpg
No data
motorway
No data
Kraftstoffanzeige
55 L
Fuel Tank Capacity
55 L
Kraftstoffanzeige
503 mi
Range
503 mi
Z4 Roadster sDrive28i
503 mi
503 mi
Z4 Roadster sDrive18i
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).
128.7 kWh
Z4 Roadster sDrive28i
128.7 kWh
128.7 kWh
Z4 Roadster sDrive18i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
159 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)

Practical Convenience

Z4 Roadster sDrive28i
Z4 Roadster sDrive18i
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
255 kg
310 L
Boot Capacity
310 L
No data
Boot Capacity (Seats Down)
No data