Lexus RX 450h vs. Lexus NX 300h
iSeeCars' unbiased and data-driven comparison of the Lexus RX 450h and Lexus NX 300h contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Lexus RX 450h and the Lexus NX 300h.
When comparing the Lexus RX 450h's and the Lexus NX 300h's specifications and ratings, the Lexus RX 450h has the advantage in the area of base engine power. The Lexus NX 300h has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency and resale value. Based on this comparison of the Lexus RX 450h's and the Lexus NX 300h's specifications and ratings, the Lexus NX 300h is a better car than the Lexus RX 450h.
Pricing: A used 2021 Lexus RX 450h ranges from $34,995 to $51,950 while a used 2021 Lexus NX 300h is priced between $27,773 to $39,960.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Lexus RX 450h loses 40.6 percent of its value and the Lexus NX 300h loses 39.1 percent of its value. This means the Lexus NX 300h retains 1.5 percentage points more of its value and has the advantage of higher resale value versus the Lexus RX 450h.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Lexus RX 450h’s base engine makes 308 horsepower, and the Lexus NX 300h base engine makes 194 horsepower. The RX 450h is rated to deliver an average of 30 miles per gallon, with a highway range of 482 miles. The NX 300h is rated to deliver an average of 31 miles per gallon, with a highway range of 444 miles.This gives the Lexus NX 300h the advantage in fuel efficiency and the Lexus RX 450h the advantage in maximum range. The RX 450h uses premium unleaded, and the NX 300h uses regular unleaded.
Safety Ratings: When comparing crash test ratings from NHTSA, the Lexus NX 300h has higher safety ratings than the Lexus RX 450h, with an average rating of 5 out of 5 Stars compared to 4.45 out of 5 Stars.
New Car Pricing
Asking Price:
-
Starting MSRP:
47920
Category Avg Starting MSRP:
(Luxury Hybrid Midsize SUVs)
65886
Category Starting MSRP Range:
(Luxury Hybrid Midsize SUVs)
47920 - 83000
New Car Pricing
Asking Price:
-
Starting MSRP:
40160
Category Avg Starting MSRP:
(Luxury Hybrid Compact SUVs)
49110
Category Starting MSRP Range:
(Luxury Hybrid Compact SUVs)
40160 - 53500
Used Car Pricing
Avg Used Car Price:
42829
Price Range:
34995 - 51950
Category Avg Price:
(Luxury Hybrid Midsize SUVs)
48478
Category Avg Price Range:
(Luxury Hybrid Midsize SUVs)
41146 - 67628
# Used Cars for Sale Nationally:
65
Avg Mileage of Used Cars for Sale:
70057
# Good or Great Deals:
21
Used Car Pricing
Avg Used Car Price:
34128
Price Range:
27773 - 39960
Category Avg Price:
(Luxury Hybrid Compact SUVs)
32539
Category Avg Price Range:
(Luxury Hybrid Compact SUVs)
31120 - 34912
# Used Cars for Sale Nationally:
53
Avg Mileage of Used Cars for Sale:
62537
# Good or Great Deals:
14
Lexus RX 450h Scores & Rankings
Overall Score:
8.1 / 10
Reliability:
8.6 / 10
Retained Value:
8.4 / 10
Safety:
7.4 / 10
Lexus NX 300h Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.5 / 10
Safety:
8.0 / 10
iSeeCars Reliability Insights for Lexus RX 450h
Remaining Life Expectancy (years):
14.1
Typical Category Remaining Life Expectancy:
(Luxury Hybrid Midsize SUVs)
14.1
Category Remaining Life Expectancy Range:
(Luxury Hybrid Midsize SUVs)
14.1 - 14.1
Chance of Reaching 200k Miles for a New Car:
0.44
iSeeCars Reliability Insights for Lexus NX 300h
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.6083874116580903
Typical Category Recalls:
(Luxury Hybrid Midsize SUVs)
7.3
Category Range for Recalls:
(Luxury Hybrid Midsize SUVs)
1.5 - 36.6
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
0.9892269311768018
Typical Category Recalls:
(Luxury Hybrid Compact SUVs)
9.2
Category Range for Recalls:
(Luxury Hybrid Compact SUVs)
1.0 - 25.0
Lexus RX 450h Rankings
Ranking
1 out of / 31Ranking
1 out of / 28Ranking
1 out of / 11Ranking
1 out of / 11Ranking
3 out of / 31Ranking
3 out of / 31Ranking
3 out of / 28Ranking
3 out of / 11Ranking
4 out of / 31Ranking
4 out of / 28Ranking
4 out of / 11Ranking
7 out of / 11Ranking
7 out of / 11Ranking
8 out of / 28Ranking
8 out of / 11Ranking
9 out of / 31Ranking
9 out of / 11Ranking
11 out of / 11Ranking
12 out of / 31Ranking
12 out of / 28Ranking
15 out of / 31Ranking
15 out of / 31Ranking
15 out of / 28Ranking
15 out of / 28Ranking
16 out of / 28Ranking
18 out of / 31Ranking
19 out of / 31Ranking
26 out of / 28Ranking
29 out of / 31Lexus NX 300h Rankings
Ranking
1 out of / 9Ranking
3 out of / 31Ranking
3 out of / 28Ranking
7 out of / 31Ranking
7 out of / 9Ranking
7 out of / 9Ranking
8 out of / 9Ranking
9 out of / 9Ranking
9 out of / 9Ranking
18 out of / 28Ranking
20 out of / 31Ranking
21 out of / 28Ranking
23 out of / 31Ranking
24 out of / 28Ranking
24 out of / 28Ranking
27 out of / 31Ranking
27 out of / 31Ranking
27 out of / 28Ranking
30 out of / 31Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Hybrid
Available Drivetrain Options
Hybrid
Lexus RX 450h Trim Levels
Base, F SPORT, F SPORT Handling
Lexus NX 300h Trim Levels
Base, F SPORT Black Line, Luxury
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
4.45 out of 5 Stars
2026 NHTSA Overall Rating:
4 out of 5 Stars
2026 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2026 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2026 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2026 NHTSA Overall Rating:
4 out of 5 Stars
2026 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2026 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2026 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
308 hp @ 6000 rpm
Torque:
Not yet available
Power-to-Weight Ratio (higher is better):
0.065 hp per pound
Towing capacity:
Not yet available
Base Drivetrain Specs
Horsepower:
194 hp @ 5700 rpm
Torque:
Not yet available
Power-to-Weight Ratio (higher is better):
0.046 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
3.5 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Continuously Variable Transmission (CVT Automatic)
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
31 / 28 / 30
Range (city/hwy):
533 / 482 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2.5 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Continuously Variable Transmission (CVT Automatic)
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
33 / 30 / 31
Range (city/hwy):
488 / 444 miles
Recommended Fuel Type:
Regular Unleaded
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Parking Sensors:
Available
Roof Rack:
Available
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Available
Power Lift Gate:
Available
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Parking Sensors:
Available
Roof Rack:
Available
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
N/A
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
39.4 inches
Front Leg Room:
44.1 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
38.2 inches
Rear Leg Room:
38 inches
Rear Shoulder Room:
57.6 inches
Cargo Space:
16 cubic feet
Cargo Space, 2nd-row seat folded down:
32.6 cubic feet
Overall Interior Volume:
114.1 cubic feet
Interior Dimensions
Front Head Room:
38.2 inches
Front Leg Room:
42.8 inches
Front Shoulder Room:
57.3 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
36.1 inches
Rear Shoulder Room:
55.3 inches
Cargo Space:
16.8 cubic feet
Cargo Space, 2nd-row seat folded down:
53.7 cubic feet
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
4740 lbs
Width:
74.6 inches
Height:
67.7 inches
Length:
192.5 inches
Wheelbase:
109.8 inches
Ground Clearance:
8.2 inches
Exterior Dimensions
Curb Weight:
4180 lbs
Width:
83.9 inches
Height:
64.8 inches
Length:
182.3 inches
Wheelbase:
104.7 inches
Ground Clearance:
6.7 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
235/65R18
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/65R17
Exterior Colors
Beige
Moonbeam Beige Metallic
Black
Caviar / Obsidian
Blue
Nightfall Mica
Gray
Nebula Gray Pearl
Green
Nori Green Pearl
Red
Matador Red Mica
Silver
Atomic Silver
White
Eminent White Pearl
Orange
Not available
Exterior Colors
Beige
Not available
Black
Caviar
Blue
Not available
Gray
Nebula Gray Pearl
Green
Nori Green Pearl
Red
Matador Red Mica
Silver
Atomic Silver
White
Eminent White Pearl
Orange
Cadmium Orange
Interior Colors
Beige
Parchment w/Gray Sapele Wood and Aluminum Trim / Parchment w/Matte Bamboo Trim / Parchment w/Striated Black Trim
Black
Black w/Gray Sapele Wood and Aluminum Trim / Black w/Matte Walnut Trim / Black w/Striated Black Trim
Brown
Glazed Caramel w/Gray Sapele Wood and Aluminum Trim / Glazed Caramel w/Matte Walnut Trim
Gray
Birch w/Gray Sapele Wood and Aluminum Trim / Birch w/Matte Walnut Trim / Birch w/Striated Black Trim
Red
Not available
Interior Colors
Beige
Crème w/Dark Umber Trim
Black
Black w/Dark Umber Trim
Brown
Glazed Caramel w/Dark Umber Trim
Gray
Not available
Red
Rioja Red w/Dark Umber Trim
