Lexus RX 450h vs. Lexus RX 400h
iSeeCars' unbiased and data-driven comparison of the Lexus RX 450h and Lexus RX 400h 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 RX 400h.
When comparing the Lexus RX 450h's and the Lexus RX 400h's specifications and ratings, the Lexus RX 450h has the advantage in the areas of fuel efficiency and base engine power. The Lexus RX 400h has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and interior volume. Based on this comparison of the Lexus RX 450h's and the Lexus RX 400h's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2022 Lexus RX 450h ranges from $39,998 to $54,414 while a used 2008 Lexus RX 400h is priced between $4,496 to $12,215.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Lexus RX 450h’s base engine makes 308 horsepower, and the Lexus RX 400h base engine makes 268 horsepower. The RX 450h is rated to deliver an average of 30 miles per gallon, with a highway range of 482 miles. The RX 400h is rated to deliver an average of 25 miles per gallon, with a highway range of 413 miles. This gives the Lexus RX 450h the fuel efficiency and maximum range advantage over the Lexus RX 400h. The RX 450h uses premium unleaded, and the RX 400h uses gasoline.
Passenger Space Comparison: The Lexus RX 400h has the advantage of offering more interior volume, reflected in more front shoulder room and cargo space. The Lexus RX 450h, a hybrid SUV, has the advantage in the areas of front leg room, rear head room, rear shoulder room and rear leg room. The Lexus RX 450h and Lexus RX 400h are comparable in regards to front head room.
Safety Ratings: The Lexus RX 450h has an average safety rating of 4.45 out of 5 Stars based on NHTSA's crash test ratings.
New Car Pricing
Asking Price:
-
Starting MSRP:
48720
Category Avg Starting MSRP:
(Luxury Hybrid Midsize SUVs)
61958
Category Starting MSRP Range:
(Luxury Hybrid Midsize SUVs)
48720 - 83300
New Car Pricing
Asking Price:
-
Starting MSRP:
41280
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
47423
Price Range:
39998 - 54414
Category Avg Price:
(Luxury Hybrid Midsize SUVs)
56642
Category Avg Price Range:
(Luxury Hybrid Midsize SUVs)
47423 - 82654
# Used Cars for Sale Nationally:
136
Avg Mileage of Used Cars for Sale:
44464
# Good or Great Deals:
71
Used Car Pricing
Avg Used Car Price:
8170
Price Range:
4496 - 12215
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
27
Avg Mileage of Used Cars for Sale:
142576
# 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 RX 400h Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Lexus RX 450h
Remaining Life Expectancy (years):
15.1
Typical Category Remaining Life Expectancy:
(Luxury Hybrid Midsize SUVs)
15.1
Category Remaining Life Expectancy Range:
(Luxury Hybrid Midsize SUVs)
15.1 - 15.1
Chance of Reaching 200k Miles for a New Car:
0.44
iSeeCars Reliability Insights for Lexus RX 400h
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:
1.0995134697947773
Typical Category Recalls:
(Luxury Hybrid Midsize SUVs)
3.4
Category Range for Recalls:
(Luxury Hybrid Midsize SUVs)
1.1 - 7.3
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
0.9322373751686757
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Lexus RX 450h Rankings
Ranking
1 out of / 32Ranking
1 out of / 29Ranking
1 out of / 12Ranking
1 out of / 12Ranking
3 out of / 32Ranking
3 out of / 32Ranking
3 out of / 29Ranking
3 out of / 12Ranking
4 out of / 32Ranking
4 out of / 29Ranking
4 out of / 12Ranking
6 out of / 12Ranking
7 out of / 29Ranking
7 out of / 12Ranking
8 out of / 32Ranking
8 out of / 12Ranking
8 out of / 12Ranking
12 out of / 32Ranking
12 out of / 29Ranking
12 out of / 29Ranking
12 out of / 12Ranking
15 out of / 32Ranking
16 out of / 29Ranking
16 out of / 29Ranking
19 out of / 32Ranking
19 out of / 32Ranking
27 out of / 29Ranking
30 out of / 32Lexus RX 400h Rankings
Available 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 RX 400h Trim Levels
Base
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
2025 NHTSA Overall Rating:
4 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
4 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
4 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
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:
268 hp @ 5600 rpm
Torque:
Not yet available
Power-to-Weight Ratio (higher is better):
0.064 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:
3.3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Continuously Variable Transmission (CVT Automatic)
Standard/Optional Drivetrain Type:
FWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
27 / 24 / 25
Range (city/hwy):
464 / 413 miles
Recommended Fuel Type:
Gasoline
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:
Available
Alloy wheels:
Available
Android Auto:
N/A
Apple CarPlay:
N/A
Bench Seats:
Standard
Bluetooth:
Available
Internet Radio:
N/A
Keyless Entry:
Standard
Keyless Ignition:
N/A
Leather Upholstery:
Available
Navigation System:
Available
Paddle Shifters:
N/A
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
N/A
Satellite radio:
N/A
Voice Recognition:
Available
Wifi:
N/A
Cooled/Ventilated Seats:
N/A
Heated Seats
Available
Heated Steering Wheel:
N/A
Parking Sensors:
N/A
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:
Available
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:
N/A
Blind Spot Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
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:
39.4 inches
Front Leg Room:
42.5 inches
Front Shoulder Room:
57.9 inches
Rear Head Room:
37.5 inches
Rear Leg Room:
36.4 inches
Rear Shoulder Room:
57.1 inches
Cargo Space:
38.3 cubic feet
Cargo Space, 2nd-row seat folded down:
84.7 cubic feet
Overall Interior Volume:
140.3 cubic feet
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:
4190 lbs
Width:
72.6 inches
Height:
66.4 inches
Length:
187.2 inches
Wheelbase:
106.9 inches
Ground Clearance:
7.1 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:
Not yet available
Wheel Type:
Not yet available
Tire Size:
Not yet available
Exterior Colors
Black
Caviar
Blue
Nightfall Mica
Gray
Nebula Gray Pearl
Green
Nori Green Pearl
Red
Matador Red Mica
Silver
Atomic Silver
White
Eminent White Pearl
Gold
Not available
Exterior Colors
Black
Black Onyx
Blue
Breakwater Blue Metallic
Gray
Smoky Granite Mica
Green
Desert Sage Metallic
Red
Brandywine Mica / Matador Red Mica
Silver
Classic Silver Metallic
White
Bamboo Pearl / Crystal White
Gold
Golden Almond Metallic
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/Open Pore Black Walnut Trim and White Accents and Gray Stitching / 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
White
Not available
Interior Colors
Beige
Not available
Black
Black
Brown
Not available
Gray
Light Gray / Light Gray with Black Bird-Eye Maple Accents
White
Ivory
