2015 Alfa Romeo 4C Owner handbook (in English)

ENGINE
GENERAL INFORMATION 1750 Turbo Petrol
Type code 960A1000
CycleOtto
Number and layout of cylinders 4 in line
Piston diameter and travel (mm) 83 × 80.5
Total displacement (cm³) 1742
Compression ratio 9,25 ± 0,25
Maximum power (EEC) (kW) 177 (*)
Maximum power (EEC) (HP) 240
- corresponding engine speed (rpm) 6000
Maximum torque (EEC) (Nm) 350 (*)
Maximum torque (EEC) (kgm) 35,7
- corresponding engine speed (rpm) 2100 - 4000
Spark plugs NGK ILKAR7D6G
Fuel 98 RON or 95 RON (EN228 specification) unleaded petrol
(*) Figures obtained using 98 RON unleaded petrol.
165

FUEL SUPPLY
VersionsFuel supply
1750 Turbo Petrol
140)
Electronically controlled direct injection with turbocharger and
intercooler
WARNING
140) Modifications or repairs to the fuel supply system that are not carried out properly or do not take the system’s
technical specifications into account may cause malfunctions leading to a risk of fire.
166
TECHNICAL SPECIFICATIONS

TRANSMISSION
Versions Gearbox Clutch Drive
1750 Turbo PetrolSequential with 6 forward
speeds plus reverse with
electronically managed
electro-hydraulic control
systemElectronically controlled
electro-hydraulic system
acting on twin dry clutchRear
167

BRAKES
Versions Front brakes Rear brakes Parking brake
1750 Turbo PetrolSelf-ventilating discs Self-ventilating discsControlled by hand lever,
acting on the rear brakes
IMPORTANT Water, ice and salt spread on the roads may deposit on the brake discs, reducing braking efficiency the first time
the brakes are applied.
168
TECHNICAL SPECIFICATIONS

SUSPENSION
Versions Front Rear
1750 Turbo PetrolSuperimposed triangles with anti-roll bar Advanced MacPherson system
169

STEERING
Versions Turning circle, kerb to kerb (m) Type
1750 Turbo Petrol11 Rack and pinion
170
TECHNICAL SPECIFICATIONS

WHEELS
RIMS AND TYRES
Alloy rims. Tubeless radial carcass
tyres. All approved tyres are listed in the
Registration Document.
IMPORTANT If there are any
discrepancies between the Owner
Handbook and the Registration
Document, take the information from
the latter.
For safe driving, the car must be fitted
with tyres of the same make and type
on all wheels.
IMPORTANT Do not use air chambers
with tubeless tyres.
READING THE TYRE
CODE
Example fig. 137:
205/45 R 17 88Y
205Rated width (S, distance in mm
between sidewalls)
45Height/width ratio (H/S) as a
percentage
RRadial tyre
17Rim diameter in inches (Ø)
88Load rating (capacity)
YMaximum speed ratingMaximum speed rating
Qup to 160 km/h
Rup to 170 km/h
Sup to 180 km/h
Tup to 190 km/h
Uup to 200 km/h
Hup to 210 km/h
Vup to 240 km/h
Wup to 270 km/h
Yup to 300 km/h
Maximum speed index
for snow tyres
QM+Sup to 160 km/h
TM+Sup to 190 km/h
HM+Sup to 210 km/h
Load rating (capacity)
60= 250 kg76= 400 kg
61= 257 kg77= 412 kg
62= 265 kg78= 425 kg
63= 272 kg79= 437 kg
64= 280 kg80= 450 kg
65= 290 kg81= 462 kg
66= 300 kg82= 475 kg
67= 307 kg83= 487 kg
68= 315 kg84= 500 kg
69= 325 kg85= 515 kg
70= 335 kg86= 530 kg
71= 345 kg87= 545 kg
72= 355 kg88= 560 kg
73= 365 kg89= 580 kg
74= 375 kg90= 600 kg
75= 387 kg91= 615 kg
137A0L0114
171

READING THE RIM CODE
Example fig. 137:7Jx
17 H2 ET 33
7rim width in inches (1).
Jrim drop centre outline (side
projection where the tyre bead rests)
(2).
17rim fitting diameter in inches
(corresponds to the diameter of the
tyre to be mounted) (3 = Ø).
H2shape and number of humps
(circumference measurement which
keeps the bead of tubeless tyres
in position on the rim).
ET 33wheel compensation (distance
between the disc/rim support
plane and the wheel rim centre
line).
172
TECHNICAL SPECIFICATIONS