Subaru Ascent vs. Mazda CX-9
iSeeCars' unbiased and data-driven comparison of the Subaru Ascent and Mazda CX-9 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 Subaru Ascent and the Mazda CX-9.
When comparing the Subaru Ascent's and the Mazda CX-9's specifications and ratings, the Subaru Ascent has the advantage in the areas of resale value, interior volume and base engine power. The Mazda CX-9 has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency. Based on this comparison of the Subaru Ascent's and the Mazda CX-9's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2023 Subaru Ascent ranges from $27,947 to $40,485 while a used 2023 Mazda CX-9 is priced between $24,480 to $34,299. For a new model, the Subaru Ascent's price is between $40,898 and $51,141, with the Mazda CX-9 priced between $38,027 and $46,161.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Subaru Ascent loses 49.7 percent of its value and the Mazda CX-9 loses 50.7 percent of its value. This means the Subaru Ascent retains 1 percentage points more of its value and has the advantage of higher resale value versus the Mazda CX-9.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Subaru Ascent’s base engine makes 260 horsepower, and the Mazda CX-9 base engine makes 250 horsepower. The Ascent is rated to deliver an average of 22 miles per gallon, with a highway range of 502 miles. The CX-9 is rated to deliver an average of 23 miles per gallon, with a highway range of 507 miles. This gives the Mazda CX-9 the fuel efficiency and maximum range advantage over the Subaru Ascent. Both models use regular unleaded.
Passenger Space Comparison: While both models are crossover/midsize SUVs, the Subaru Ascent has the advantage of offering more front head room, front shoulder room, front leg room, rear head room, rear shoulder room, and cargo space. The Mazda CX-9 has the advantage in the area of rear leg room.
Safety Ratings: When comparing crash test ratings from NHTSA, both the Subaru Ascent and the Mazda CX-9 have the same average safety rating of 5 out of 5 Stars.
New Car Pricing
Asking Price:
40898 - 51141
Starting MSRP:
33895
Category Avg Starting MSRP:
(Midsize SUVs)
36046
Category Starting MSRP Range:
(Midsize SUVs)
28750 - 41535
New Car Pricing
Asking Price:
38027 - 46161
Starting MSRP:
38750
Category Avg Starting MSRP:
(Midsize SUVs)
36046
Category Starting MSRP Range:
(Midsize SUVs)
28750 - 41535
Used Car Pricing
Avg Used Car Price:
34908
Price Range:
27947 - 40485
Category Avg Price:
(Midsize SUVs)
34361
Category Avg Price Range:
(Midsize SUVs)
24907 - 50072
# Used Cars for Sale Nationally:
509
Avg Mileage of Used Cars for Sale:
38365
# Good or Great Deals:
204
Used Car Pricing
Avg Used Car Price:
29384
Price Range:
24480 - 34299
Category Avg Price:
(Midsize SUVs)
34361
Category Avg Price Range:
(Midsize SUVs)
24907 - 50072
# Used Cars for Sale Nationally:
528
Avg Mileage of Used Cars for Sale:
40845
# Good or Great Deals:
170
Subaru Ascent Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.8 / 10
Safety:
10.0 / 10
Mazda CX-9 Scores & Rankings
Overall Score:
7.9 / 10
Reliability:
7.9 / 10
Retained Value:
7.8 / 10
Safety:
8.0 / 10
iSeeCars Reliability Insights for Subaru Ascent
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Midsize SUVs)
9.2
Category Remaining Life Expectancy Range:
(Midsize SUVs)
6.7 - 14.6
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Mazda CX-9
Remaining Life Expectancy (years):
10.0
Typical Category Remaining Life Expectancy:
(Midsize SUVs)
9.2
Category Remaining Life Expectancy Range:
(Midsize SUVs)
6.7 - 14.6
Chance of Reaching 200k Miles for a New Car:
0.16
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
10.964287310429933
Typical Category Recalls:
(Midsize SUVs)
4.9
Category Range for Recalls:
(Midsize SUVs)
1.1 - 27.9
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.7552022033699368
Typical Category Recalls:
(Midsize SUVs)
4.9
Category Range for Recalls:
(Midsize SUVs)
1.1 - 27.9
Subaru Ascent Rankings
Ranking
5 out of / 34Ranking
5 out of / 32Ranking
8 out of / 67Ranking
10 out of / 67Ranking
12 out of / 32Ranking
12 out of / 32Ranking
13 out of / 67Ranking
13 out of / 32Ranking
14 out of / 30Ranking
15 out of / 34Ranking
16 out of / 67Ranking
16 out of / 34Ranking
17 out of / 67Ranking
17 out of / 34Ranking
17 out of / 34Ranking
17 out of / 32Ranking
18 out of / 28Ranking
19 out of / 67Ranking
19 out of / 34Ranking
19 out of / 32Ranking
20 out of / 32Ranking
20 out of / 32Ranking
22 out of / 32Ranking
26 out of / 34Ranking
28 out of / 34Ranking
29 out of / 67Ranking
29 out of / 34Ranking
29 out of / 32Ranking
30 out of / 34Ranking
36 out of / 67Ranking
48 out of / 67Ranking
48 out of / 56Ranking
51 out of / 67Mazda CX-9 Rankings
Ranking
2 out of / 17Ranking
2 out of / 16Ranking
2 out of / 10Ranking
3 out of / 10Ranking
4 out of / 67Ranking
4 out of / 16Ranking
5 out of / 34Ranking
5 out of / 32Ranking
5 out of / 17Ranking
6 out of / 34Ranking
6 out of / 32Ranking
8 out of / 67Ranking
8 out of / 34Ranking
10 out of / 32Ranking
14 out of / 34Ranking
14 out of / 32Ranking
15 out of / 32Ranking
16 out of / 67Ranking
19 out of / 34Ranking
20 out of / 32Ranking
21 out of / 32Ranking
22 out of / 34Ranking
25 out of / 34Ranking
26 out of / 67Ranking
27 out of / 67Ranking
27 out of / 32Ranking
28 out of / 67Ranking
28 out of / 67Ranking
28 out of / 67Ranking
28 out of / 34Ranking
28 out of / 32Ranking
29 out of / 32Ranking
30 out of / 32Ranking
31 out of / 34Ranking
31 out of / 34Ranking
31 out of / 34Ranking
32 out of / 67Ranking
44 out of / 67Ranking
53 out of / 67Summary Review
The Subaru Ascent joined the crossover SUV lineup at Subaru in 2018. It quickly earned the praise of reviewers.
Summary Review
Mazda’s CX-9 is a three-row crossover SUV that’s slightly smaller but more engaging to drive than most of its direct competitors.
Pros and Cons
- Excellent on-road and off-road capability
- Seven or eight-seat configurations available
- Class-leading diver-assist technology
- Below-average reliability scores (unusual for a Subaru)
Pros and Cons
- Outstanding standard features make CX-9 a near-premium vehicle
- The Turbocharged engine is a reviewer’s favorite
- Aging infotainment setup
- Smaller than most of its segment peers
Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Subaru Ascent Trim Levels
Base, Limited 7-Passenger, Limited 8-Passenger, Onyx Edition, Onyx Edition Limited, Premium 7-Passenger, Premium 8-Passenger, Touring
Mazda CX-9 Trim Levels
Carbon Edition, Grand Touring, Signature, Touring, Touring Plus
Warranty Information
Warranty, Bumper-to-Bumper:
3 years / 36000 miles
Warranty, Powertrain:
5 years / 60000 miles
Warranty, Roadside Assistance:
3 years / 36000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
3 years / 36000 miles
Warranty, Powertrain:
5 years / 60000 miles
Warranty, Roadside Assistance:
3 years / 36000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2025 NHTSA Overall Rating:
4 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 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):
5 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
Base Drivetrain Specs
Horsepower:
260 hp @ 5600 rpm
Torque:
277 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.059 hp per pound
Towing capacity:
Not yet available
Base Drivetrain Specs
Horsepower:
250 hp @ 5000 rpm
Torque:
320 foot-lbs @ 2500 rpm
Power-to-Weight Ratio (higher is better):
0.057 hp per pound
Towing capacity:
Not yet available
Engine Specifications
Engine Size:
2.4 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
4
Transmission:
Continuously Variable Transmission (CVT Automatic)
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 26 / 22
Range (city/hwy):
386 / 502 miles
Recommended Fuel Type:
Regular Unleaded
Engine Specifications
Engine Size:
2.5 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 26 / 23
Range (city/hwy):
390 / 507 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
Navigation System:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Captain's seat:
Available
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Ignition:
Available
Leather Upholstery:
Available
Parking Sensors:
Available
Power Lift Gate:
Available
Quad Seats:
Available
Roof Rack:
Available
Sunroof/Moonroof:
Available
Trailer Hitch:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
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
Navigation System:
Available
Paddle Shifters:
Available
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Available
Voice Recognition:
Standard
Captain's seat:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Standard
Heated Steering Wheel:
Available
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Available
Power Lift Gate:
Standard
Quad Seats:
Standard
Roof Rack:
Available
Sunroof/Moonroof:
Standard
Trailer Hitch:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Air Suspension:
N/A
Automatic Parking:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
Driver Attention Monitoring:
N/A
Pedestrian Detection:
N/A
Safety Features
Backup camera:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Rear Seat Reminder:
N/A
360-Degree Camera:
Available
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
Standard
Driver Attention Monitoring:
Available
Pedestrian Detection:
Standard
Interior Dimensions
Front Head Room:
41.2 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
61.1 inches
Rear Head Room:
40 inches
Rear Leg Room:
38.6 inches
Rear Shoulder Room:
60.3 inches
Cargo Space:
17.8 cubic feet
Cargo Space, 2nd-row seat folded down:
75.6 cubic feet
Overall Interior Volume:
171 cubic feet
Interior Dimensions
Front Head Room:
40.1 inches
Front Leg Room:
41 inches
Front Shoulder Room:
57.9 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
39.4 inches
Rear Shoulder Room:
58.1 inches
Cargo Space:
14.3 cubic feet
Cargo Space, 2nd-row seat folded down:
71.2 cubic feet
Overall Interior Volume:
150.1 cubic feet
Exterior Dimensions
Curb Weight:
4421 lbs
Width:
85.7 inches
Height:
71.6 inches
Length:
196.8 inches
Wheelbase:
113.8 inches
Ground Clearance:
8.7 inches
Exterior Dimensions
Curb Weight:
4409 lbs
Width:
86.9 inches
Height:
69 inches
Length:
199.4 inches
Wheelbase:
115.3 inches
Ground Clearance:
8.8 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
245/60R18
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
P255/60R18
Exterior Colors
Black
Crystal Black Silica
Gray
Magnetite Gray Metallic
Silver
Ice Silver Metallic
White
Crystal White Pearl
Blue
Not available
Red
Not available
Exterior Colors
Black
Jet Black Mica
Gray
Machine Gray Metallic
Silver
Sonic Silver Metallic
White
Snowflake White Pearl Mica
Blue
Deep Crystal Blue Mica
Red
Soul Red Crystal Metallic
Interior Colors
Black
Slate Black
Beige
Not available
Interior Colors
Black
Black
Beige
Sand
