Car comparison

Porsche 911 Coupe (G) 3.2 Carrera CATvsAlfa Romeo SZ 3.0 V6 Zagato

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Porsche 911 Coupe (G)

3.2 Carrera CAT

217 hp3164 ccGasolineRWDManualNaturally aspiratedCoupe1986-1989

Alfa Romeo SZ

3.0 V6 Zagato

210 hp2959 ccGasolineRWDManualNaturally aspiratedCoupe1989-1991

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Porsche 911 Coupe (G) 3.2 Carrera CAT

Quickest 0-100 km/h
6.3 s
Fastest top speed
250 km/h
155 mph Unrestricted
240 km/h
149 mph Restricted
Most powerful
217 hp
162 kW
Highest torque
265 Nm
195 lb-ft
Lightest
1,210 kg
2,668 lb
Best power-to-weight
179 hp/t
134 kW/t
5.6 kg/hp
Best overall score
55/100
Best performance score
57/100
Best economy score
0/100
Best practicality score
50/100

Alfa Romeo SZ 3.0 V6 Zagato

Lowest city consumption
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Lowest highway consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK

Specification comparison

Specification comparison
Model	Porsche911 Coupe (G)3.2 Carrera CAT	Alfa RomeoSZ3.0 V6 Zagato
Power	217hp162kW	210hp157kW
Torque	265Nm195lb-ft	245Nm181lb-ft
Curb weight	1,210kg2,668lb	1,260kg2,778lb
Gross weight	1,530kg3,373lb	1,430kg3,153lb
Top speed	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph Calculated	245 km/h 152 mph
To 99% top speed	75.8s99% target: 248 km/h / 154 mph Calculated	88.2s99% target: 243 km/h / 151 mph Calculated
0-100 km/h	6.3s	7.0s
0-200 km/h	23.1s Calculated	27.5s Calculated
0-60 mph	6.0s Calculated	6.6s Calculated
Fuel consumption city	14.9L/100 km15.8mpg US19.0mpg UK	13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption highway	7.9L/100 km29.8mpg US35.8mpg UK	7.7L/100 km30.5mpg US36.7mpg UK
Quarter mile	14.3s Calculated	15.0s Calculated
Power-to-weight	179hp/t134kW/t81hp/1000 lb Calculated	167hp/t124kW/t76hp/1000 lb Calculated
Torque-to-weight	219Nm/t147lb-ft/ton Calculated	194Nm/t130lb-ft/ton Calculated
Displacement	3,164cc193cu in	2,959cc181cu in
Length	4,291mm169in	4,060mm160in
Width	1,652mm65in	1,730mm68in
Height	1,320mm52in	1,310mm52in
Wheelbase	2,272mm89in	2,510mm99in
Front track	1,372mm54in	-
Rear track	1,405mm55in	-
Ground clearance	130mm5in	-
Trunk volume	-	68L
Max trunk volume	-	350L
Doors	2	2
Seats	4	2
Fuel tank	85L	68L

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Porsche 911 Coupe (G) 3.2 Carrera CATAlfa Romeo SZ 3.0 V6 ZagatoPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Porsche911 Coupe (G)3.2 Carrera CAT	5,900 rpm	4,800 rpm	6,150 rpm
Alfa RomeoSZ3.0 V6 Zagato	6,200 rpm	4,500 rpm	6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 Coupe (G)3.2 Carrera CAT	Alfa RomeoSZ3.0 V6 Zagato
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.0 s	6.6 s
0-100 km/h 0-62 mph	6.3 s	7.0 s
0-200 km/h 0-124 mph	23.1 s	27.5 s
Top speed	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph Likely limited	245 km/h 152 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.5 s
330 ft 101 m	6.3 s	6.5 s
1/8 mile 201 m	9.4 s	9.8 s
1000 ft 305 m	12.1 s	12.6 s
1/4 mile 402 m	14.3 s	15.0 s
Trap speed 1/4 mile 402 m	163 km/h 101 mph	155 km/h 97 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	217 hp 162 kW
Alfa RomeoSZ3.0 V6 Zagato	210 hp 157 kW

Porsche 911 Coupe (G) 3.2 Carrera CAT has 7 hp more than Alfa Romeo SZ 3.0 V6 Zagato.

The biggest power difference is between Alfa Romeo SZ 3.0 V6 Zagato and Porsche 911 Coupe (G) 3.2 Carrera CAT: 7 hp (5 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	265 Nm 195 lb-ft
Alfa RomeoSZ3.0 V6 Zagato	245 Nm 181 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	1,210 kg 2,668 lb
Alfa RomeoSZ3.0 V6 Zagato	1,260 kg 2,778 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph
Alfa RomeoSZ3.0 V6 Zagato	245 km/h 152 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	6.3 s
Alfa RomeoSZ3.0 V6 Zagato	7.0 s

The biggest 0-100 km/h difference is between Porsche 911 Coupe (G) 3.2 Carrera CAT and Alfa Romeo SZ 3.0 V6 Zagato: 0.7 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
Porsche911 Coupe (G)3.2 Carrera CAT	179 hp/t 134 kW/t 5.6 kg/hp
Alfa RomeoSZ3.0 V6 Zagato	167 hp/t 124 kW/t 6.0 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 Coupe (G)3.2 Carrera CAT	217 hp 162 kW	6.3 s	Unrestricted 250 km/h155 mph Restricted 240 km/h149 mph
Alfa RomeoSZ3.0 V6 Zagato	210 hp 157 kW	7.0 s	245 km/h 152 mph