Technical specifications
| Clear list | Citroen C4 | Opel Astra |
| Totals | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Mark | Citroen | Opel |
| Model | C4 1.6 BlueHDi (120 PS) | Astra 1.0 turbo |
| Year | 2015 | 2015 |
| Number of doors/seats | 5/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1280 (1300) | 1263 |
| Gross Weight Limit | - | 1790 |
| Top Speed, km/h | 197 (192) | 200 (200) |
| Acceleration 0-100 kph | 10.5 (11) | 11.2 (12.7) |
| Minimum turning radius, m | 5.6 | 5.6 |
| Cargo Volume, min/max, L | 408/1183 | 370/1210 |
| Dimensions specifications, mm | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Length | 4329 | 4370 |
| Width | 1789 | 1809 |
| Height | 1502 | 1485 |
| Wheelbase | 2608 | 2662 |
| Front/rear Track | 1536/1529 | 1548/1565 |
| Ground clearance | 170 | - |
| Engine specifications | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Type | turbo diesel Common Rail | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 1560 | 999 |
| Compression ratio | 17 | 10.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 3 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 75x88.3 | 74x77.4 |
| Number of valves | 16 | 12 |
| Power, hp/rpm | 120/3500 | 105/5500 |
| Max torque, Nm/RPM | 300/1750 | 170/1800-4250 |
| Transmission specifications | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Gearbox | 6-speed manual / 6-speed automatic | 5-speed manual / 5-speed tiptronic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Front | MacPherson strut | MacPherson strut |
| Rear | Dependent suspensions | Dependent suspensions |
| Tire Size | 205/55 R16, 225/45 R17 | 195/65 R15 |
| Disk | 4x108 ET31 d65.1
| 5x110 ET39 d65.1
|
| Brakes specifications | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Citroen C4 1.6 BlueHDi (120 PS) × | Opel Astra 1.0 turbo × |
| City | 4.2 (4.5) | 5.1 (5.1) |
| Highway | 3.3 (3.7) | 3.9 (3.8) |
| Combined | 3.5 (4) | 4.4 (4.3) |
| Fuel | Diesel | 95 |
| Tank, L | 60 | 48 |
| Clear list | Citroen C4 | Opel Astra |
