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A picture here

Other versions of the 33 were equipped with the same Boxer 1.7 16V engine: a four wheel drive named 33 16V QV Permanent 4 (QV) and a later model named 33 16V Q4 (more or less a QV Permanent 4 with cat).
Because of the permanent four wheel drive this car was a little bit slower (max speed and acceleration) and fuel consumption was slightly higher too.
Also there were the corresponding station wagons (by Pininfarina): the 33 16V Sportwagon and the 33 16V Sportwagon Q4.
The main differences between the standard 16V and the 16V Quadrifoglio Verde were mostly aestethical: a rear spoiler plus some other aero add-ons and racing-looking interiors.
Mechanically the 16V Quadrifoglio Verde had four disc brakes (ABS opt) and stiffer springs and shocks.

Specs
Alfa 33 16V
QV Quadrifoglio Verde
33 16V Cat (Europa)
No.of cylinders 4 Boxer 4 Boxer
Capacity 1712 cc 1712 cc
Max. power output
at rpm
133 bhp EC (98) kW-EC
6500
129 bhp EC (95) kW-EC
6500
Peak torque
at rpm
16 kgm-EC (157) Nm-EC
4600
15.4 kgm-EC (151) Nm-EC
4600
Fuel feed
Type
Bosch Motronic ML4-1
Multipoint
Bosch Motronic ML4-1
Multipoint
Check Panel Alfa Control
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Drive Front Front
Tires 185/60 HR 14 185/60 HR 14
Rims BWA alloy 5.5 x 14 BWA alloy 5.5 x 14
Steering Powered steering Powered steering
Brakes (disc): Front 239 mm (ventilated) 239 mm (ventilated)
Brakes (drum): Rear 210 mm (QV discs) 210 mm (QV discs)
Length/Width 4.075/1.614 m 4.075/1.614 m
Height 1.350 m 1.350 m
Wheelbase 2.475 m 2.475 m
Luggage compartment 400/1200 dm3 400/1200 dm3
Fuel tank 50 litres 50 litres
Weight DIN 1000 kgs 1000 kgs
Top speed 210 km/h 205 km/h
Acceleration 0-100 kmh 8.1 secs 8.3 secs
Acceleration 0-1000 m 29.2 secs 31.1 secs
Consumption (l/100 km) at 90 km/h 5.9 5.9
Consumption (l/100 km) at 120 km/h 7.9 7.9
Consumption (l/100 km) urban cycle 10.4 10.5

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