Technical specifications
| Clear list | Citroen C5 | Kia Optima |
| Totals | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Mark | Citroen | Kia |
| Model | C5 2.0 (HDi 140) | Optima 2.0 |
| Year | 2008 | 2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 1608 | 1530 (1545) |
| Gross Weight Limit | 2155 | 2000 (2020) |
| Top Speed, km/h | 201 | 205 (202) |
| Acceleration 0-100 kph | 11.8 | 9.6 (10.7) |
| Minimum turning radius, m | 5.75 | - |
| Cargo Volume, min/max, L | 439 | 510 |
| Dimensions specifications, mm | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Length | 4779 | 4855 |
| Width | 1860 | 1860 |
| Height | 1458 | 1485 |
| Wheelbase | 2815 | 2805 |
| Front/rear Track | 1560/1540 | 1594/1595 |
| Ground clearance | 150 | 155 |
| Engine specifications | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Type | turbo diesel Common Rail | petrol Injection |
| Displacement, cm3 | 1997 | 1999 |
| Compression ratio | 18 | 10.3 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 85х88 | 81x97 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 140/4000 | 150/6500 |
| Max torque, Nm/RPM | 320/2000 | 196/4800 |
| Transmission specifications | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Gearbox | 6-speed manual / 6-speed automatic | 6-speed manual / 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | MacPherson strut | multi-link suspensions |
| Tire Size | 225/60/16, 225/55/17, 245/45/18 | 215/60 R16, 215/55 R17 |
| Disk | 4x108 ET18 d65,1
| 5x114.3 ET45 d67.1
|
| Brakes specifications | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Citroen C5 2.0 (HDi 140) × | Kia Optima 2.0 × |
| City | 7.9 | 10.4 (11.2) |
| Highway | 4.9 | 6.1 (5.8) |
| Combined | 6 | 7.7 (7.8) |
| Fuel | Diesel | 95 |
| Tank, L | 71 | 70 |
| Clear list | Citroen C5 | Kia Optima |
