400 examples of the Launch Edition will be supplied to Europe, Africa and the Middle East
The 4C uses a mixture of composites and traditional materials
Production of the 4C is shared between Alfa Romeo and Maserati
The Launch Edition of the car, already on sale, costs £52,000
Aluminium in the brake discs saves up to 2kg per unit
The standard version of the car is set to cost £45,000
Journalists will get their first drive in the 4C next week
The 4C could eventually inspire a new range of sports cars from Alfa Romeo
A further 600 examples will cater for America and the rest of the world
Carbonfibre makes up 25 per cent of the car's total volume
The entire car is tipped to weigh less than 1000kg
Launch Edition models are available in red or white finishes
The car was first seen at the Geneva motor show last year...
...a concept of the same name was seen two years earlier
The 237bhp, 1.7-litre turbo engine is a lightweight version of the engine in the 1750 TBi Giulietta
Many aspects of the 4C are simple to save weight
The 4C has a 2400mm long wheelbase
The first UK cars arrived last month
Deliveries of the Launch Edition of the 4C take place this month
Alfa's dual-clutch automatic gearbox manages the engine's power
Alfa says its four-cylinder engine gives the performance of a much larger unit
The engineering spec is a long roster of lightweight materials
The 4C uses steel wishbone suspension at the front and alloy struts at the rear
The front suspension is bolted directly to the carbonfibre tub
The 4C's carbonfibre chassis will have the highest production volume of any to date
A series of technical shots have shown the 4C's production processes
The 4C is expected to see off more powerful, more expensive sports car alternatives
The carbonfibre tub takes 90 man hours to create
The steering is unassisted, saving the weight of hydraulics, and the electrical system is relatively simple
Sports seating should be comfortable and supportive
Manual air-con was chosen partly because it doesn’t need an ECU and keeps the engineering lightweight
A digital dashboard is used inside
Alfa Romeo's DNA drive select system is included on the 4C
Figures on storage space haven't yet been released
Aluminium accounts for 38 per cent of the kerb weight
The composite body work accounts for a further seven per cent
Alfa originally targeted a weight-to-power ratio of 4kg/bhp
Alfa Romeo is keen to avoid obvious comparisons with the Porsche Boxster
The car has changed very little visually from its original concept
The 4C's 257bhp engine is a modified unit also used in the Giulietta
A track-only version of the car will be produced next year
The 4C also gets Alfa Romeo's DNA driving selector
The Alfa Romeo 4C, seen here track testing, will cost from £45,000 when it goes on sale next month.
The 4C, conceived as a supercar-beating sports car with a combination of light weight, modest power and agile handling, is already on sale in the form of the £52,000 Launch Edition.
Alfa has acheived 215bhp/tonne with the 4C's 237bhp 1.7-litre turbocharged engine, meaning a 0-62mph sprint time of 5.0 seconds and a top speed of 160mph. The engine is mated to the latest generation of Alfa's dry twin-clutch transmission. Up to 80 per cent of the car's 258lb/ft of torque is available from 1800rpm, something that Alfa says underlines the flexible nature of the new engine. Rumours still persist that a V6-engined option will also become available in the future. Alfa's DNA driver select system is also incorporated, and now also features a new 'race' mode.
With a dry weight of just 895kg the Alfa Romeo 4C is certainly lightweight. Carbonfibre accounts for just ten per cent of that weight, but makes up over a quarter of its volume including forming the 65kg tub. A special formulation of sheet moulding compound composite is used to form the body, while even the glass for the windows has been pared down by up to 15 per cent to reduce weight.
Alfa Romeo says the 4C can acheive up to 41.5mpg on a combined cycle and emits 157g/km of C02.
The 4C's front suspension uses a double-wishbone configuration, while the rear suspension features a tuned McPherson arrangement. The brakes have been engineered with track use in mind, and sit on 17-inch front and 18-inch rear wheels. Optional 19-inch wheels can also be ordered.
The 4C is built at Maserati's Modena plant in dedicated workshops, occupying space previously used for production of the Maserati Quattroporte. Overall, each 4C takes between 20 and 25 hours to build. The company says it has the capacity to produce up to 1000 units per year. Alfa Romeo says the car is the spiritual descendant of its 33 Stradale, built between 1967 and 1969.
Just 3500 examples of the car will be built, with the first deliveries expected early next year.
You can read Autocar's full first drive review of the Alfa Romeo 4C next week and you can read our first impressions from a passenger ride at the Goodwood Festival of Speed here.