Kia · South Korea · Class D

Kia K5 / Optima: Technical Specs, Engine Oil, Tires & Maintenance

Factory engineering reference for Kia K5 / Optima (2000–present): Sedan, 150–194 hp (110–143 kW), FWD, recommended SAE 0W-20 oil (5.2 L), and OEM tire sizes.

Kia K5 / Optima — Quick Engineering Sheet
Production years2000–present
Power (hp / kW)150–194 hp (110–143 kW)
Recommended Engine OilSAE 0W-20 (alt: SAE 5W-30) · 5.2 L (5.5 qt)
Common OEM Tire Sizes215/55 R17 · 225/45 R18 · 2.3/2.3 bar (33/33 PSI)

Maintenance, Fluids & Tire Specifications

Recommended Engine Oil
SAE 0W-20 (alt: SAE 5W-30)
OEM / API / ACEA Spec
ILSAC GF-6A / API SP Resource Conserving
Oil Service Fill Capacity
5.2 L (5.5 US qt)
Service Interval
15000 km (9500 mi) / 12 months
Brake Fluid Spec
DOT 3 / DOT 4 (FMVSS 116)
Coolant Chemistry
P-OAT Long Life Coolant (50/50)
Common OEM Tire Sizes
215/55 R17 · 225/45 R18
Cold Tire Pressure (F / R)
2.3 / 2.3 bar (33 / 33 PSI)
Wheel Lug Nut Torque
120 Nm (89 lb-ft)

Dimensions, Powertrain & Performance

Production years
2000–present
Body style
Sedan (5 seats)
Powertrain & Fuel
Gasoline (Petrol) · Automatic (AT) · FWD
Power (hp / kW)
150–194 hp (110–143 kW)
Dimensions (L × W × H)
4905 × 1860 × 1445 mm
Wheelbase & Clearance
2850 mm (clearance: 155 mm)
Trunk Volume & Curb Weight
510 L · 1470–1550 kg
Combined Consumption
6.6–8.2 L/100 km (28.7–35.6 US MPG) · Tank 60 L

Pre-Purchase Inspection & Diagnostics

Before buying a used Kia K5 / Optima, verify the 17-character VIN stamping against door-jamb and windshield plates, scan all OBD-II readiness monitors (mode $01 / $06), and check for open safety recalls.

Head-to-head comparison & Related Kia Models