Comparison Opel Astra J Sports Tourer 1.7 CDTI (125 Hp) & Aston Martin DB5 4.0 (286 Hp) & Porsche 911 (991 II) Carrera 4 GTS 3.0 (450 Hp) PDK
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| Brand: | Opel | Aston Martin | Porsche |
| Model: | Astra | DB5 | 911 |
| Generation: | Astra J Sports Tourer | DB5 | 911 (991 II) |
| Engine / modification: | 1.7 CDTI (125 Hp) | 4.0 (286 Hp) | Carrera 4 GTS 3.0 (450 Hp) PDK |
| Production start: | 2010 year | 1963 year | 2017 year |
| Production end: | 2012 year | 1965 year | 2018 year |
| Coupe type: | Combi | Coupe | Coupe |
| Num. of Doors: | 5 | 2 | 2 |
| Num. of seats: | 5 | 2+2 | 2+2 |
| Fuel consumption / economy - urban: | 5.5 l/100 km | 10.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 3.9 l/100 km | 7.1 l/100 km | |
| Fuel consumption / economy - combined: | 4.5 l/100 km | 8.5 l/100 km | |
| Fuel Type: | Diesel | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.33 | 0.31 | |
| Fuel tank volume: | 56 l | 67 l | |
| Emission standard: | Euro 5 | Euro 6 | |
| CO2 emissions: | 119 g/km | 192 g/km | |
| Power: | 125 hp | 286 hp | 450 hp |
| Max power in: | 4000 rpm. | 5500 rpm. | 6500 rpm. |
| Maximum speed: | 192 km/h | 225 km/h | 308 km/h |
| Acceleration from 0 to 100 km/h: | 11.7 sec | 3.6 sec | |
| Acceleration from 0 to 200 km/h: | 12.8 sec | ||
| Torque: | 280 Nm @ 2300 rpm. | 380 Nm/4500 rpm. | 550 Nm @ 2150-5000 rpm. |
| Model Engine: | A17DTR | MDC.JA | |
| Engine position: | Front, transverse | Front, longitudinal | Rear, longitudinal |
| Engine displacement: | 1686 cm3 | 3995 cm3 | 2981 cm3 |
| Engine oil capacity: | 4.0 l | 8 l | |
| Fuel System: | Diesel Commonrail | Carburettor | Direct injection |
| Maximum engine speed: | 7500 rpm. | ||
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | BiTurbo | |
| Position of cylinders: | Inline | Inline | Boxer |
| Valvetrain: | DOHC | DOHC | |
| Number of cylinders: | 4 | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 | |
| Compression ratio: | 18 | 8.8 | 10 |
| Piston Stroke: | 86 mm | 92 mm | 76.4 mm |
| Cylinder Bore: | 79 mm | 96 mm | 91 mm |
| Wheel Drive: | Front wheel drive | All wheel drive (4x4) | |
| Number of Gears (automatic transmission): | 7 PDK | ||
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4698 mm | 4572 mm | 4528 mm |
| Width: | 1814 mm | 1680 mm | 1852 mm |
| Width including mirrors: | 2013 mm | 1978 mm | |
| Height: | 1535 mm | 1346 mm | 1284 mm |
| Wheelbase: | 2685 mm | 2490 mm | 2450 mm |
| Front track: | 1544 mm | 1372 mm | 1541 mm |
| Rear (Back) track: | 1558 mm | 1360 mm | 1544 mm |
| Ride height(clearance): | 109 mm | 160 mm | |
| Front overhang: | 974 mm | ||
| Rear overhang: | 1039 mm | ||
| Minimum volume of Luggage (trunk): | 550 l | ||
| Maximum amount of Luggage (trunk): | 1550 l | 385 l | |
| Front suspension: | Double wishbone | Independent type McPherson | |
| Rear suspension: | dependent spring suspension | Multi-link independent | |
| Max weight: | 1960 kg | 1965 kg | |
| Front brakes: | Ventilated discs | Disc | Ventilated discs |
| Rear brakes: | Disc | Disc | Ventilated discs |
| Kerb Weight: | 1393 kg | 1466 kg | 1515 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 10.3 m | 11.1 m | |
| Tire size: | 215/50 R17 | 245/35 ZR 20; 305/30 ZR 20 | |
| Wheel rims size: | R17 | 9J x 20; 12J x 20 |