The new Audi A1 Sportback, which is scheduled to launch in early 2012, comes standard with four seats. A fifth seats is available on request at no extra charge. The 5-door has close relationship with the 3-door model as seen in the design, the structure of the lightweight body and the dimensions of the new model, which measures 12.96 ft (3.95 m) in length. The base price for the Audi A1 Sportback is €16,950.

The Audi A1 Sportback offers 6 four-cylinder ingine variants; three TFSI gasoline and three TDI diesel engines:
1.2 TFSI engine produces 86 horsepower (63 kW) with fuel consumption 5.1 liters per 100 km (46.12 mpg), two 1.4 liter TFSI Engine produces 122 horsepower and 185 horsepower. The top line TFSI engine is supercharged and turbocharged, resulting in 250 Nm (184.39 lb.-ft.) of torque, accelerates the Audi A1 Sportback from 0-100 km/h (62.14 mph) in 7.0 seconds with top speed of 227 km/h (141.05 mph).

The 1.6-liter engine is available in 2 different versions, with 66 kW (90 horsepower) and 77 kW (105 horsepowerp). When paired with a manual transmission, both versions consume just 3.8 liters of fuel per 100 km (61.90 US mpg) on average, which corresponds to only 99 grams of CO2/km (159.33 g/mile). The 105 kW (143 hp) 2.0 TDI to follow later accelerates the Audi A1 Sportback to 100 km/h (62.14 mph) in 8.5 seconds, yet its average fuel consumption is just 4.1 liters of fuel per 100 km (57.37 US mpg).

On the transmission, the new Audi A1 Sportback features the 7-speed S tronic as an option with the 1.4 TFSI with 122 hp and 1.6 TDI with 90 hp and standard with the top TFSI mdel with 185 hp.

Inside, the Audi A1 Sportback comes standard with four seats and optional fifth seat. Headroom and shoulder room have been increased 1 cm (0.39 inch) compared with the 3-door model. The luggage area of the Audi A1 Sportback offers a capacity of 270 liters. The L-shaped, deeply retractable head restraints do not have to be removed to do this. The loading lip is a comfortably low 66 centimeters (25.98 in).

The Audi A1 Sportback is equipped with a McPherson construction for the front suspension and a torsion beam axle is used in the back. The sensitive and efficient electrohydraulic steering is very direct with a ratio of 14.8:1. The Attraction trim line includes 15-inch steel wheels, while the Ambition comes with 16-inch alloy wheels (1.4 TFSI with 136 kW (185 hp) comes standard with 17-inch wheels). Audi offers 17-inch cast aluminum wheels with 215/40-series tires as an option. The new seven-spoke design is exclusive to the five-door model. The optional 18-inch alloy wheels from quattro GmbH provide for an even sportier appearance. The Audi A1 Sportback has powerful brakes, with internally ventilated front discs. The ESP stabilization program with electronic limited slip differential, which comes standard on all models.

Available exterior color for the new Audi A1 Sportback including the new color Samoa Orange and other 12 paint finishes color.