Lexus GX Lexus GX 2023 Kia Optima Kia Optima 2006
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Lexus GX (2023) vs. Kia Optima (2006) Specs

How powerful is the engine? How much room is in the back seat? Get the 2023 Lexus GX and 2006 Kia Optima specs.

2023 Lexus GX and 2006 Kia Optima Specifications

Model Year 2023 2006  
Model Lexus GX Kia Optima  
Engine 4.6L V8
DOHC-4v
301 hp@5500
329 lb-ft@3500		 2.7L V6
DOHC-4v
170 hp@6000
181 lb-ft@4000		  
Transmission 6-speed shiftable automatic 4-speed shiftable automatic  
Drivetrain AWD w/low range FWD  
Body 4dr SUV 4dr Sedan  
      Difference
Wheelbase 109.8 in 106.3 in 3.5 in
Length 192.1 in 185.8 in 6.3 in
Width 74.2 in 71.5 in 2.7 in
Height 74.2 in 55.5 in 18.7 in
Curb Weight 5130 lb. 3279 lb. 1851 lb.
Fuel Capacity 23.0 gal. 17.2 gal. 5.8 gal.
Headroom, Row 1 38.0 in 39.0 in -1 in
Shoulder Room, Row 1 55.4 in 56.9 in -1.5 in
Hip Room, Row 1 56.5 in 55.8 in 0.7 in
Legroom, Row 1 41.7 in 43.3 in -1.6 in
Headroom, Row 2 40.4 in 37.6 in 2.8 in
Shoulder Room, Row 2 57.3 in 55.7 in 1.6 in
Hip Room, Row 2 55.2 in 54.4 in 0.8 in
Legroom, Row 2 34.1 in 36.2 in -2.1 in
Headroom, Row 3 35.2 in 0.0 in 35.2 in
Shoulder Room, Row 3 54.5 in 0.0 in 54.5 in
Hip Room, Row 3 43.1 in 0.0 in 43.1 in
Legroom, Row 3 29.3 in 0.0 in 29.3 in
Total Legroom 105.1 in (over 3 rows) 79.5 in (over 2 rows) 25.6 in
Cargo Volume, Minimum 4.2 ft3 13.6 ft3 -9.4 ft3
Cargo Volume, Behind R2 34.4 ft3 13.6 20.8 ft3
Cargo Volume, Maximum 64.7 ft3 13.6 ft3 51.1 ft3

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What Our Members Are Saying about the Seat Room and Comfort of the 2006 Kia Optima

2006 Kia Optima Seat Room and Comfort: Pros
YearBody/PowertrainComment
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 Spacious enough to allow my 84 year old mother to get in and out without injuring herself! see full Kia Optima review
2007 4dr Sedan 161-horsepower 2.4L I4
5-speed shiftable automatic FWD		 After driving the Optima for five days straight for 10+ hours per day, other than the occasional stop, on a road trip, not one time did I get a sore back or thighs. see full Kia Optima review
 
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See TrueDelta's information for all Lexus models.