Compare 2018 Acura RLX vs 2018 Kia K900

2018 Acura RLX
2018 Kia K900
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Sedan Sport Hybrid w/Advance Pkg
Style MPG City MPG Hwy Invoice MSRP
RLX Sedan Sport Hybrid w/Advance Pkg 28 29 $57,432 $61,900
RLX Sedan w/Technology Pkg 20 29 $50,946 $54,900
Select style
V6 Luxury
Style MPG City MPG Hwy Invoice MSRP
K900 V6 Luxury 17 25 $55,593 $59,900
K900 V6 Premium 17 25 $47,069 $50,900
K900 V8 Luxury 15 22 $57,478 $61,900
Pricing
Invoice Price
$57,432
$55,593
Manufacturer Suggested Retail Price
$61,900
$59,900
Monthly Payment Estimate
$1032 / month
$998 / month
The Car Connection's Take
TCC Rating
6.3
6.2
TCC’s Bottom Line
The 2018 Acura RLX brandishes some exotic hardware, and wraps it in anonymity. The 2018 Kia K900 is a premium, luxury sedan without much of an identity.
TCC Likes
TCC Dislikes
Fuel Economy
City
28 mpg 17 mpg
Highway
29 mpg 25 mpg
Vehicle
EPA Classification
Mid-Size Cars Large Cars
Interior Dimensions
Passenger Volume (ft³)
102.1 110.8
Second Hip Room (in)
54.5 55.7
Front Shoulder Room (in)
59.6 59.1
Second Head Room (in)
36.9 37.6
Passenger Capacity
5 5
Second Shoulder Room (in)
57 57.2
Front Leg Room (in)
42.3 45.9
Front Hip Room (in)
55.9 55.9
Second Leg Room (in)
38.8 38.2
Front Head Room (in)
37.6 40.2
Exterior Dimensions
Track Width, Front (in)
64.3 63.8
Min Ground Clearance (in)
3.8 5.7
Length, Overall (in)
198.1 200.6
Height, Overall (in)
57.7 58.5
Track Width, Rear (in)
64.2 64.1
Wheelbase (in)
112.2 119.9
Width, Max w/o mirrors (in)
74.4 74.8
Cargo Area Dimensions
Trunk Volume (ft³)
12 15.9
Brakes
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
12.2 12.4
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13 13.6
Fuel Tank
Fuel Tank Capacity, Approx (gal)
15.1 19.8
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
40.5 37.5
Tires
Front Tire Size
P245/40WR19 P245/50VR18
Spare Tire Size
NA Compact
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/40WR19 P245/50VR18
Rear Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
4380 4376
Wheels
Spare Wheel Size (in)
NA Compact
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
19 X 8 18 X 7.5
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
NA Aluminum
Front Wheel Size (in)
19 X 8 18 X 7.5
Electrical
Maximum Alternator Capacity (amps)
150 150
Cold Cranking Amps @ 0° F (Primary)
- 740
Engine
Engine Order Code
NA NA
Displacement
3.5 L/212 3.8 L/231
SAE Net Horsepower @ RPM
377 @ 6500 311 @ 6000
Engine Type
Gas/Electric V-6 Regular Unleaded V-6
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
341 @ 4700 293 @ 5000
Mileage
Fuel Economy Est-Combined (MPG)
28 20
EPA Fuel Economy Est - Hwy (MPG)
29 25
EPA Fuel Economy Est - City (MPG)
28 17
Transmission
Final Drive Axle Ratio (:1)
3.58 3.91
Third Gear Ratio (:1)
2.03 1.61
Trans Type
7 8
Drivetrain
All Wheel Drive Rear Wheel Drive
Fifth Gear Ratio (:1)
1.14 1.00
Trans Description Cont. Again
NA NA
Seventh Gear Ratio (:1)
0.62 0.64
Reverse Ratio (:1)
3.66 2.27
Second Gear Ratio (:1)
2.75 2.40
Trans Order Code
NA NA
Fourth Gear Ratio (:1)
1.55 1.19
Trans Description Cont.
Auto-Shift Manual w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.84 0.83
First Gear Ratio (:1)
4.40 3.67
Eighth Gear Ratio (:1)
- 0.56
Summary
Vehicle Name
Acura RLX Kia K900
Body Style
SH-AWD Sedan Sedan
Suspension
Suspension Type - Front (Cont.)
Double Wishbone Multi-Link
Suspension Type - Rear
Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Suspension Type - Front
Double Wishbone Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.3 8.8
Crash Test Ratings
Overall Rating
-
Overall Frontal Barrier Crash Rating
-
Frontal Barrier Crash Rating Driver
-
Frontal Barrier Crash Rating Passenger
-
Overall Side Crash Rating
-
Side Barrier Rating
-
Side Barrier Rating Driver
-
Side Barrier Rating Passenger Rear Seat
-
Side Pole Rating Driver Front Seat
-
Combined Side Rating Front Seat
-
Combined Side Rating Rear Seat
-
Rollover Rating
-

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