Comparison Opel Astra K TCR 2.0 T (330 Hp) & Infiniti Q70 2.2D (170 Hp) & Porsche 911 (996) GT3 3.6 (360 Hp)
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| Brand: | Opel | Infiniti | Porsche |
| Model: | Astra | Q70 | 911 |
| Generation: | Astra K | Q70 | 911 (996) |
| Engine / modification: | TCR 2.0 T (330 Hp) | 2.2D (170 Hp) | GT3 3.6 (360 Hp) |
| Production start: | 2015 year | 2014 year | 1999 year |
| Production end: | 2018 year | 2015 year | 2001 year |
| Coupe type: | Hatchback | Sedan | Coupe |
| Num. of Doors: | 5 | 4 | 2 |
| Num. of seats: | 2 | 5 | 2 |
| Fuel consumption / economy - urban: | 5.7-5.9 l/100 km | 20.1 l/100 km | |
| Fuel consumption / economy - extra urban: | 4.2-4.3 l/100 km | 8.9 l/100 km | |
| Fuel consumption / economy - combined: | 4.8-4.9 l/100 km | 12.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.27-0.28 | 0.30 | |
| Fuel tank volume: | 74 l | 89 l | |
| Emission standard: | Euro 6 | ||
| CO2 emissions: | 124-128 g/km | ||
| Power: | 330 hp | 170 hp | 360 hp |
| Max power in: | 6300 rpm. | 3200-4000 rpm. | 7200 rpm. |
| Maximum speed: | 250 km/h | 220 km/h | 302 km/h |
| Acceleration from 0 to 100 km/h: | 8.9 sec | 4.8 sec | |
| Torque: | 440 Nm @ 4400 rpm. | 400 Nm @ 1600-2800 rpm. | 370 Nm @ 5000 rpm. |
| Engine position: | Front, transverse | Front, longitudinal | Rear, longitudinal |
| Engine displacement: | 1998 cm3 | 2143 cm3 | 3600 cm3 |
| Engine oil capacity: | 11 l | ||
| Coolant: | 25 l | ||
| Fuel System: | Direct injection | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Turbocharger | Turbo / Intercooler (Turbocharging / Intercooler) | |
| Position of cylinders: | Inline | Inline | Boxer |
| Valvetrain: | DOHC | DOHC | |
| Number of cylinders: | 4 | 4 | 6 |
| Number of valves per cylinder: | 4 | 4 | 4 |
| Compression ratio: | 11.7 | ||
| Piston Stroke: | 86 mm | 76.4 mm | |
| Cylinder Bore: | 86 mm | 100 mm | |
| Wheel Drive: | Front wheel drive | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 | ||
| Number of Gears (manual transmission): | 6 | 6 | |
| Length: | 4405 mm | 4980 mm | 4430 mm |
| Width: | 1950 mm | 1845 mm | 1765 mm |
| Height: | 1380 mm | 1493 mm | 1270 mm |
| Wheelbase: | 2660 mm | 2900 mm | 2350 mm |
| Front track: | 1575 mm | 1475 mm | |
| Rear (Back) track: | 1570 mm | 1495 mm | |
| Ride height(clearance): | 80 mm | 152 mm | |
| Minimum volume of Luggage (trunk): | 450 l | ||
| Maximum amount of Luggage (trunk): | 110 l | ||
| Front suspension: | Independent, Spring McPherson, with stabilizer | Independent type McPherson | |
| Rear suspension: | Multi-link independent | ||
| Max weight: | 2375-2405 kg | 1630 kg | |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Ventilated discs |
| Kerb Weight: | 1200 kg | 1904-1945 kg | 1350 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering | Hydraulic Steering |
| Permitted trailer load with brakes (12%): | 1500 kg | ||
| Permitted trailer load without brakes: | 750 kg | ||
| Tire size: | 225/40 R18; 285/30 R18 |