BMW has introduced the first series-production all-electric vehicle by the brand. Two vehicles will be exhibited at the 2011 Frankfurt Motor Show in September.

The first is BMW i3 Concept, which is based on Mega City Vehicle concept. The small city car boasts RWD and an electric motor producing up to 170PS (125 kW) and 250Nm (184 lb-ft) of torque. 0 to 60 km/h in 3.9 seconds and to 100 km/h in just 7.9 seconds. Not bad for an all-electric vehicle. The range of the vehicle is 130 to 160 km (80 to 100 miles).

The dimensions of i3 Concept are 3845 mm in length, 1537 mm height and 2011 mm width. The wheelbase is just a bit smaller than 1-Series – 2570 mm. The kerb weight is just 1250 kg, so the vehicle will be easy to drive with good dynamics.

The luggage compartment is satisfying – 200 litres.

BMW i3 Concept Front

Second is the i8 Concept, which is a plug-in hybrid sports car. The same electric motor is mounted on the front axle and is couple with a 1.5 liter three-cylinder turbocharged petrol engine. The overall power is staggering – 353PS (260 kW) and 550Nm of torque.

As you may suggest, the performance is awesome – 0 to 100 km/h in 4.6 seconds and top speed is limited to 250 km/h (155mph). Still, the vehicle manages to return 104 mpg, which is 2.7 litres per 100 km. The range on electricity is 35 km (20 miles).

The dimensions of i8 Concept are 4632 mm in length, 1280 mm height and 1955 mm width. The wheelbase is 2800mm. The kerb weight is just 1480 kg.

The luggage compartment is 150 litres.

Check out the pictures, videos and full specifications, below!

BMW i8 Concept Side

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BMW i3 Concept Specifications:

Length/Height/Width L 3845 mm, H 1537 mm, W 2011 mm
Wheelbase 2570 mm
No. of seats 4
Kerb weight 1250 kg
Output 125 kW / 250 Nm
Top speed 150 km/h / 93 mph
Acceleration 0-60 km/h / 37 mph 3.9 s

0-100 km/h / 62 mph 7.9 s

80-120 km/h / 50-75 mph 6.0 s

Electric range Everyday range: 130-160 km / 80-100 miles

FTP72 cycle: 225 km / 140 miles

Battery charge time Standard: 6 h for 100% charge

Optional: 1 h for 80% charge

Luggage compartment approx. 200 litres

BMW i8 Concept Specifications:

Length/Height/Width L 4632 mm, H 1280 mm, W 1955 mm
Wheelbase 2800 mm
No. of seats 2 + (2)
Kerb weight 1480 kg
Output 260 kW /550 Nm system output of which petrol engine: 164 kW / 300 Nm

of which electric motor: 96 kW / 250 Nm

Top speed 250 km/h / 155 mph governed
Acceleration 0-100 km/h / 62 mph 4.6 s

80-120 km/h / 50-75 mph 4.0 s

Fuel consumption (EU cycle): 2.7 l/100 km / 104 mpg imp (66 g CO2)
Electric range approx. 35 km / 20 miles
Battery charge time Standard: 1:45 h for 100% charge
Luggage compartment approx. 150 litres

Source: BMW