| 1 | 0 | 3 | 4 | 3 | 4 |
2018 Kia Optima Specs - Exterior and Interior Dimensions
| Body | 4dr Sedan |
| Wheelbase | 110.4 in |
| Length | 191.1 in |
| Width | 73.2 in |
| Height | 57.7 in |
| Curb Weight | 3219 lb. |
| Fuel Capacity | 18.5 gal. |
| Headroom, Row 1 | 39.8 in |
| Shoulder Room, Row 1 | 58.1 in |
| Hip Room, Row 1 | 56.0 in |
| Legroom, Row 1 | 45.5 in |
| Headroom, Row 2 | 37.8 in |
| Shoulder Room, Row 2 | 56.4 in |
| Hip Room, Row 2 | 56.0 in |
| Legroom, Row 2 | 35.6 in |
| Total Legroom | 81.1 in (over 2 rows) |
| Cargo Volume | 15.9 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2018 Kia Optima
None of our members have yet commented on the seat room and comfort of the 2018 Kia Optima.
2018 Kia Optima 4-door Sedan Specs - Powertrains and Tire Sizes
| Trim | LX | LX 1.6T | Hybrid Premium | S | EX | Hybrid EX | Plug-in Hybrid EX | SX |
| Standard Engine | 2.4L I4 DOHC-4v 185 hp@6000 178 lb-ft@4000 | turbocharged 1.6L I4 DOHC-4v 178 hp@5500 195 lb-ft@1500 | 2.0L I4 Hybrid DOHC-4v 154 hp@6000 140 lb-ft@5000 | 2.4L I4 DOHC-4v 185 hp@6000 178 lb-ft@4000 | 2.4L I4 DOHC-4v 185 hp@6000 178 lb-ft@4000 | 2.0L I4 Hybrid DOHC-4v 154 hp@6000 140 lb-ft@5000 | 2.0L I4 Plug-in Hybrid DOHC-4v 154 hp@6000 140 lb-ft@5000 | turbocharged 2.0L I4 DOHC-4v 245 hp@6000 260 lb-ft@1350 |
| Standard Transmission | 6-speed manually-shiftable automatic | 7-speed automated manual | 6-speed manually-shiftable automatic | 6-speed manually-shiftable automatic | 6-speed manually-shiftable automatic | 6-speed manually-shiftable automatic | 6-speed manually-shiftable automatic | 6-speed manually-shiftable automatic |
| Standard Drivetrain | FWD | FWD | FWD | FWD | FWD | FWD | FWD | FWD |
| Standard Tires | 205/65HR16 tires | 205/65HR16 tires | 205/65HR16 tires | 215/55VR17 tires | 215/55VR17 tires | 215/55VR17 tires | 215/55VR17 tires | 235/45VR18 tires |
What Our Members Are Saying about the Powertrain of the 2018 Kia Optima
None of our members have yet commented on the powertrain of the 2018 Kia Optima.
What Our Members Are Saying about the Tires of the 2018 Kia Optima
None of our members have yet commented on the tires of the 2018 Kia Optima.