Comparison Porsche 911 Cabriolet (992) Carrera 4S 3.0 (450 Hp) PDK & Alfa Romeo Stelvio 2.2d (180 Hp) Automatic
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| Brand: | Porsche | Alfa Romeo |
| Model: | 911 | Stelvio |
| Generation: | 911 Cabriolet (992) | Stelvio |
| Engine / modification: | Carrera 4S 3.0 (450 Hp) PDK | 2.2d (180 Hp) Automatic |
| Production start: | 2019 year | 2017 year |
| Production end: | 2018 year | |
| Coupe type: | Cabriolet | |
| Num. of Doors: | 2 | 5 |
| Num. of seats: | 2+2 | 5 |
| Fuel consumption / economy - urban: | 11.1 l/100 km | 5.5 l/100 km |
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | 4.3 l/100 km |
| Fuel consumption / economy - combined: | 9.0 l/100 km | 4.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Fuel tank volume: | 67 l | 58 l |
| Emission standard: | Euro 6d - TEMP | Euro 6b |
| CO2 emissions: | 207 g/km | 124 g/km |
| Power: | 450 hp | 180 hp |
| Max power in: | 6500 rpm. | 3750 rpm. |
| Maximum speed: | 304 km/h | 210 km/h |
| Acceleration from 0 to 100 km/h: | 3.6 sec | 7.6 sec |
| Torque: | 530 Nm @ 2300-5000 rpm. | 450 Nm @ 1750 rpm. |
| Engine position: | Rear, longitudinal | Front, longitudinal |
| Engine displacement: | 2981 cm3 | 2143 cm3 |
| Engine oil capacity: | 4.3 l | |
| Coolant: | 8.9 l | |
| Fuel System: | Direct injection | Diesel Commonrail |
| Maximum engine speed: | 7500 rpm. | |
| Aspiration / Turbine: | BiTurbo | Turbocharging |
| Position of cylinders: | Boxer | Inline |
| Number of cylinders: | 6 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.2 | 15.5 |
| Piston Stroke: | 76.4 mm | 99 mm |
| Cylinder Bore: | 91 mm | 83 mm |
| Wheel Drive: | All wheel drive (4x4) | Rear wheel drive |
| Number of Gears (automatic transmission): | 8 PDK | 8 |
| Length: | 4519 mm | 4687 mm |
| Width: | 1852 mm | 1903 mm |
| Width including mirrors: | 2024 mm | 2163 mm |
| Height: | 1299 mm | 1666 mm |
| Wheelbase: | 2450 mm | 2818 mm |
| Front track: | 1589 mm | 1613 mm |
| Rear (Back) track: | 1557 mm | 1653 mm |
| Ride height(clearance): | 200 mm | |
| Front overhang: | 861 mm | |
| Rear overhang: | 1008 mm | |
| Wading depth: | 480 mm | |
| Minimum volume of Luggage (trunk): | 132 l | 525 l |
| Maximum amount of Luggage (trunk): | 163 l | |
| Front suspension: | Independent type McPherson | Double wishbone |
| Rear suspension: | Multi-link independent | Independent, spring multi-link with stabilizer |
| Max weight: | 2065 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Ventilated discs |
| Kerb Weight: | 1635 kg | 1604 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 11.7 m | |
| Permitted trailer load with brakes (12%): | 1700 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Tire size: | 235/60 R18 | |
| Wheel rims size: | 8.5J x 19 ET52; 11; 5J x 20 ET67 | 8J x 18 |