| Attribute |
Kia Optima IV Sportswagon 1.7 CRDI ISG × | 
Citroen C5 I Break (Phase II, 2004) 1.6 HDi FAP × |
| General | | |
| Make | Kia | Citroen |
| Model | Optima | C5 |
| Generation | Optima IV Sportswagon | C5 I Break (Phase II, 2004) |
| Modification | 1.7 CRDI ISG | 1.6 HDi FAP |
| Website | https://www.kia.com | https://www.citroen.com/ |
| Number of doors | 5 | 5 |
| Number of seats | 5 | 5 |
| Body type | Station wagon (estate) | Station wagon (estate) |
| Transmission | manual | manual |
| Number of gears | 6 | 5 |
| Production from (year) | 2016 | 2005 |
| Production to (year) | 2018 | 2008 |
| Performance | | |
| Top speed (km/h) | 200 | 186 |
| Acceleration 0-100 km/h (s) | 10.2 | 11.5 |
| City consumption (l/100km) | 5.2 | 6.9 |
| Extra-urban consumption (l/100km) | 3.8 | 4.6 |
| Combined consumption (l/100km) | 4.4 | 5.5 |
| CO2 emissions (g/km) | 113 | 145 |
| Emission standard | EURO VI | EURO IV |
| Drive | | |
| Drive | Front wheel drive | Front wheel drive |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 141 | 109 |
| Max. torque (Nm) | 340 | 260 |
| Fuel Engine | | |
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 1,685 | 1,560 |
| Compression ratio | 15.7 | 17.6 |
| Max. power @ rpm (rpm) | 4,000 | 4,000 |
| Max. torque @ rpm (rpm) | 1,750 | 1,750 |
| Cylinder bore (mm) | 77.2 | 75 |
| Piston stroke (mm) | 90 | 88.3 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | - | Dohc |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Fuel tank (l) | 70 | 67 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Multi-link independent | Semi-independent, spring |
| Steering type | Steering rack | - |
| Power steering | Electric Steering | - |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Disc |
| Tires size | - 215/55 R17 94W
- 215/60 R16 95V
- 235/45 ZR18 98Y
| |
| Turning radius (m) | 10.9 | 12.43 |
| Dimensions | | |
| Length (mm) | 4,855 | 4,839 |
| Width (mm) | 1,860 | 1,780 |
| Height (mm) | 1,470 | 1,511 |
| Wheelbase (mm) | 2,805 | 2,750 |
| Kerb weight (kg) | 1,545 | 1,442 |
| Gross weight (kg) | 2,140 | 2,056 |
| Minimum boot space (l) | 552 | 563 |
| Maximum boot space (l) | 1,686 | 1,658 |
| Max. roof load (kg) | 100 | 75 |
| Front track (mm) | 1,597 | 1,528 |
| Rear track (mm) | 1,604 | 1,495 |
| Ride height (mm) | 135 | - |