Comparison Opel Astra G Caravan (facelift 2002) 1.7 CDTI (80 Hp) & Opel Astra H GTC (facelift 2007) 1.6 Twinport ECOTEC (105 Hp) & Opel Astra J (facelift 2012) 1.4 LPG (140 Hp) Ecotec & Opel Signum 2.2 DTI ECOTEC (125 Hp)
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| Brand: | Opel | Opel | Opel | Opel |
| Model: | Astra | Astra | Astra | Signum |
| Generation: | Astra G Caravan (facelift 2002) | Astra H GTC (facelift 2007) | Astra J (facelift 2012) | Signum |
| Engine / modification: | 1.7 CDTI (80 Hp) | 1.6 Twinport ECOTEC (105 Hp) | 1.4 LPG (140 Hp) Ecotec | 2.2 DTI ECOTEC (125 Hp) |
| Production start: | 2002 year | 2007 year | 2012 year | 2003 year |
| Production end: | 2004 year | 2007 year | 2015 year | 2004 year |
| Coupe type: | Combi | Hatchback | Hatchback | Hatchback |
| Powertrain Architecture: | Internal Combustion engine | |||
| Num. of Doors: | 5 | 3 | 5 | 5 |
| Num. of seats: | 5 | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 6.1 l/100 km | 7.9 l/100 km | 8.5 l/100 km | |
| Fuel consumption / economy - extra urban: | 4 l/100 km | 4.9 l/100 km | 5 l/100 km | |
| Fuel consumption / economy - combined: | 4.8 l/100 km | 6.0 l/100 km | 6.3 l/100 km | |
| Fuel Type: | Diesel | Petrol (Gasoline) | Petrol / LPG | Diesel |
| Drag coefficient: | 0.32 | 0.33 | ||
| Fuel tank volume: | 52 l | 52 l | 56 l | 61 l |
| Emission standard: | Euro 4 | Euro 5 | ||
| CO2 emissions: | 129 g/km | 147 g/km | ||
| Power: | 80 hp | 105 hp | 140 hp | 125 hp |
| Max power in: | 4400 rpm. | 5600 rpm. | 4900-6000 rpm. | 4000 rpm. |
| Maximum speed: | 168 km/h | 187 km/h | 202 km/h | 201 km/h |
| Acceleration from 0 to 100 km/h: | 14.5 sec | 12.2 sec | 10.2 sec | 11.2 sec |
| Torque: | 170 Nm @ 1800 rpm. | 150 Nm @ 3900 rpm. | 200 Nm @ 1850-4900 rpm. | 280 Nm/1500 rpm. |
| Model Engine: | Z17DTL | Z16XEP | A14NET | |
| Engine position: | Front, transverse | Front, transverse | Front, transverse | |
| Engine displacement: | 1686 cm3 | 1598 cm3 | 1362 cm3 | 2171 cm3 |
| Engine oil capacity: | 4.5 l | 4.5 l | 4.0 l | |
| Coolant: | 7.1 l | 6.1 l | ||
| Fuel System: | Diesel Commonrail | Multi-point injection | Diesel Commonrail | |
| Aspiration / Turbine: | Turbocharging | Naturally aspirated engine | Turbocharging | |
| Position of cylinders: | Inline | Inline | Inline | |
| Valvetrain: | DOHC | DOHC | OHC | |
| Number of cylinders: | 4 | 4 | 4 | 4 |
| Number of valves per cylinder: | 4 | 4 | 4 | 4 |
| Compression ratio: | 18.4 | 10.5 | 18.5 | |
| Piston Stroke: | 86 mm | 81.5 mm | 82.6 mm | 98 mm |
| Cylinder Bore: | 79 mm | 79 mm | 72.5 mm | 84 mm |
| Wheel Drive: | Front wheel drive | Front wheel drive | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | - | - | ||
| Number of Gears (manual transmission): | 5 | 6 | 5 | |
| Length: | 4288 mm | 4290 mm | 4419 mm | 4636 mm |
| Width: | 1710 mm | 1753 mm | 1814 mm | 1798 mm |
| Width with mirrors folded: | 1804 mm | 1831 mm | ||
| Width including mirrors: | 1967 mm | 2033 mm | 2013 mm | |
| Height: | 1510 mm | 1435 mm | 1510 mm | 1460 mm |
| Wheelbase: | 2611 mm | 2614 mm | 2685 mm | 2830 mm |
| Front track: | 1484 mm | 1488 mm | 1541 mm | 1524 mm |
| Rear (Back) track: | 1460 mm | 1488 mm | 1551 mm | 1525 mm |
| Ride height(clearance): | 130 mm | |||
| Front overhang: | 910 mm | |||
| Rear overhang: | 766 mm | |||
| Minimum volume of Luggage (trunk): | 480 l | 340 l | 370 l | 365 l |
| Maximum amount of Luggage (trunk): | 1500 l | 1070 l | 1235 l | 1410 l |
| Front suspension: | The depreciated rack | McPherson | Helical spring | |
| Rear suspension: | Trailing | Torsion | Helical spring | |
| Max weight: | 1795 kg | 1725 kg | 2125 kg | |
| Front brakes: | Disc | Ventilated discs | Ventilated discs | |
| Rear brakes: | Drum | Disc | ||
| Kerb Weight: | 1220 kg | 1175 kg | 1610 kg | |
| ABS: | yes | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering | Electric Steering | Hydraulic Steering |
| Max. roof load: | 75 kg | |||
| Minimum turning circle (turning diameter): | 11.2 m | 11.4 m | ||
| Permitted trailer load with brakes (12%): | 1200 kg | |||
| Permitted trailer load without brakes: | 635 kg | |||
| Tire size: | 195/60 R15 | 205/55 R16; 225/45 R17; 225/40 R18 | 205/60 R16 | 215/55 R16 |
| Wheel rims size: | R15 | 6.5J x 16; 7J x 17; 7.5J x 18 | R16 | 6.5J x 16 |