Comparison Kia Optima III 2.0 T-GDI (278 Hp) Automatic & Mazda 3 IV Hatchback 1.8 SkyActiv-D (116 Hp) Automatic
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| Brand: | Kia | Mazda |
| Model: | Optima | 3 |
| Generation: | Optima III | 3 IV Hatchback |
| Engine / modification: | 2.0 T-GDI (278 Hp) Automatic | 1.8 SkyActiv-D (116 Hp) Automatic |
| Production start: | 2010 year | 2019 year |
| Production end: | 2013 year | |
| Coupe type: | Sedan | Hatchback |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 10.7 l/100 km | 5.2-5.3 l/100 km |
| Fuel consumption / economy - extra urban: | 4.3-4.5 l/100 km | |
| Fuel consumption / economy - combined: | 9 l/100 km | 4.7-4.9 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.285 | |
| Fuel tank volume: | 70 l | 51 l |
| Emission standard: | Euro 4 | Euro 6d-Temp |
| CO2 emissions: | 185 g/km | 121-127 g/km |
| Power: | 278 hp | 116 hp |
| Max power in: | 6000 rpm. | 4000 rpm. |
| Maximum speed: | 192 km/h | |
| Acceleration from 0 to 100 km/h: | 10.3 sec | |
| Torque: | 365 Nm @ 1750-4500 rpm. | 270 Nm @ 1600-2600 rpm. |
| Engine position: | Front, transverse | |
| Engine displacement: | 1998 cm3 | 1759 cm3 |
| Engine oil capacity: | 4.6 l | |
| Coolant: | 6.8 l | |
| Fuel System: | Direct injection | Diesel Commonrail |
| Aspiration / Turbine: | Turbocharger | Turbocharger / Intercooler |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 4 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9.5 | 14.8 |
| Piston Stroke: | 86 mm | |
| Cylinder Bore: | 86 mm | |
| Wheel Drive: | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 6 | 6 |
| Length: | 4845 mm | 4460 mm |
| Width: | 1830 mm | 1795 mm |
| Height: | 1455 mm | 1435 mm |
| Wheelbase: | 2795 mm | 2725 mm |
| Front track: | 1595 mm | |
| Rear (Back) track: | 1595 mm | |
| Front overhang: | 965 mm | |
| Rear overhang: | 1085 mm | |
| Minimum volume of Luggage (trunk): | 436 l | 330-334 l |
| Maximum amount of Luggage (trunk): | 1019 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | |
| Rear suspension: | Independent, spring multi-link with stabilizer | |
| Max weight: | 1980 kg | 1919 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Disc | |
| Kerb Weight: | 1433 kg | 1406 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Minimum turning circle (turning diameter): | 11.8 m | |
| Permitted trailer load with brakes (12%): | 1300 kg | |
| Permitted trailer load without brakes: | 600 kg | |
| Tire size: | 215/55 R17 | 205/60 R16; 215/45 R18 |
| Wheel rims size: | 6.5J x 17 | R16; R18 |