| Attribute |
 Hyundai i40 Combi (facelift 2018) 1.6 CRDi DCT × |  Kia Optima IV Sportswagon (facelift 2018) 1.6 CRDi DCT × |
| General | | |
| Make | Hyundai | Kia |
| Model | i40 | Optima |
| Generation | i40 Combi (facelift 2018) | Optima IV Sportswagon (facelift 2018) |
| Modification | 1.6 CRDi DCT | 1.6 CRDi DCT |
| Website | https://www.hyundai.com/ | https://www.kia.com |
| Number of doors | 5 | 5 |
| Number of seats | 5 | 5 |
| Body type | Station wagon (estate) | Station wagon (estate) |
| Transmission | automatic dct | automatic dct |
| Number of gears | 7 | 7 |
| Production from (year) | 2018 | 2018 |
| Performance | | |
| Top speed (km/h) | 194 | 193 |
| Acceleration 0-100 km/h (s) | 11 | 11.8 |
| City consumption (l/100km) | 5.2 | 4.7 |
| Extra-urban consumption (l/100km) | 4.4 | 4 |
| Combined consumption (l/100km) | 4.7 | 4.3 |
| CO2 emissions (g/km) | 123 | 112 |
| Emission standard | EURO VId | EURO VId - TEMP |
| Drive | | |
| Drive | Front wheel drive | Front wheel drive |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 136 | 136 |
| Max. torque (Nm) | 320 | 320 |
| Fuel Engine | | |
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 1,598 | 1,598 |
| Compression ratio | 15.9 | 15.9 |
| Max. power @ rpm (rpm) | 4,000 | 4,000 |
| Max. torque @ rpm (rpm) | 2,000 | 2,000 |
| Cylinder bore (mm) | 77 | 77 |
| Piston stroke (mm) | 85.8 | 85.8 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Fuel tank (l) | 70 | 70 |
| Engine oil capacity (l) | 4.4 | - |
| Coolant capacity (l) | 6.7 | - |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent type McPherson |
| Rear wheel suspension | Independent, spring multi-link with stabilizer | Multi-link independent |
| Steering type | Steering rack | Steering rack |
| Power steering | - | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Disc |
| Tires size | - 205/60 R16
- 215/50 R17
- 225/45 R18
| - 215/55 R17
- 215/60 R16
- 235/45 ZR18
|
| Turning radius (m) | 10.9 | 10.9 |
| Dimensions | | |
| Length (mm) | 4,775 | 4,855 |
| Width (mm) | 1,815 | 1,860 |
| Height (mm) | 1,470 | 1,470 |
| Wheelbase (mm) | 2,770 | 2,805 |
| Kerb weight (kg) | 1,539 | 1,560 |
| Gross weight (kg) | 2,150 | 2,150 |
| Minimum boot space (l) | 553 | 552 |
| Maximum boot space (l) | 1,719 | 1,686 |
| Max. roof load (kg) | 100 | 100 |
| Front track (mm) | 1,579 | 1,597 |
| Rear track (mm) | 1,585 | 1,604 |
| Ride height (mm) | 140 | 135 |
| Drag coefficient (Cd) | 0.29 | - |