Acura MDX vs. Infiniti QX56
iSeeCars' unbiased and data-driven comparison of the Acura MDX and Infiniti QX56 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 Acura MDX and the Infiniti QX56.
When comparing the Acura MDX's and the Infiniti QX56's specifications and ratings, the Acura MDX has the advantage in the area of fuel efficiency. The Infiniti QX56 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, interior volume and base engine power. Based on this comparison of the Acura MDX's and the Infiniti QX56's specifications and ratings, the Infiniti QX56 is a better car than the Acura MDX.
Pricing: A used 2013 Acura MDX ranges from $7,097 to $17,019 while a used 2013 Infiniti QX56 is priced between $6,515 to $18,995.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Acura MDX’s base engine makes 300 horsepower, and the Infiniti QX56 base engine makes 400 horsepower. The MDX is rated to deliver an average of 18 miles per gallon, with a highway range of 441 miles. The QX56 is rated to deliver an average of 16 miles per gallon, with a highway range of 520 miles.This gives the Acura MDX the advantage in fuel efficiency and the Infiniti QX56 the advantage in maximum range. Both models use gasoline.
Passenger Space Comparison: The Infiniti QX56 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear head room, rear shoulder room, rear leg room, and cargo space. The Acura MDX, a crossover/midsize SUV, has the advantage in the area of front leg room.
Safety Ratings: The Acura MDX has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.
New Car Pricing
Asking Price:
-
Starting MSRP:
43280
Category Avg Starting MSRP:
(Luxury Midsize SUVs)
55324
Category Starting MSRP Range:
(Luxury Midsize SUVs)
39545 - 92900
New Car Pricing
Asking Price:
-
Starting MSRP:
60750
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
11862
Price Range:
7097 - 17019
Category Avg Price:
(Luxury Midsize SUVs)
14673
Category Avg Price Range:
(Luxury Midsize SUVs)
10218 - 20251
# Used Cars for Sale Nationally:
82
Avg Mileage of Used Cars for Sale:
140633
# Good or Great Deals:
33
Used Car Pricing
Avg Used Car Price:
11833
Price Range:
6515 - 18995
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
28
Avg Mileage of Used Cars for Sale:
159897
# Good or Great Deals:
10
Acura MDX Scores & Rankings
Overall Score:
8.5 / 10
Reliability:
8.0 / 10
Retained Value:
7.6 / 10
Safety:
10.0 / 10
Infiniti QX56 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for Acura MDX
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:
iSeeCars Reliability Insights for Infiniti QX56
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:
2.2592374104498
Typical Category Recalls:
(Luxury Midsize SUVs)
2.7
Category Range for Recalls:
(Luxury Midsize SUVs)
1.2 - 9.3
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.0421610097742158
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Acura MDX Rankings
Ranking
1 out of / 68Ranking
1 out of / 68Ranking
1 out of / 29Ranking
1 out of / 27Ranking
1 out of / 27Ranking
1 out of / 13Ranking
1 out of / 13Ranking
1 out of / 8Ranking
1 out of / 7Ranking
2 out of / 8Ranking
2 out of / 7Ranking
3 out of / 29Ranking
3 out of / 25Ranking
3 out of / 25Ranking
5 out of / 26Ranking
6 out of / 29Ranking
6 out of / 27Ranking
7 out of / 68Ranking
9 out of / 29Ranking
9 out of / 27Ranking
10 out of / 27Ranking
12 out of / 27Ranking
13 out of / 68Ranking
14 out of / 27Ranking
17 out of / 29Ranking
17 out of / 27Ranking
18 out of / 68Ranking
18 out of / 29Ranking
19 out of / 27Ranking
19 out of / 27Ranking
20 out of / 29Ranking
22 out of / 29Ranking
22 out of / 29Ranking
23 out of / 68Ranking
23 out of / 29Ranking
23 out of / 27Ranking
24 out of / 29Ranking
27 out of / 68Ranking
33 out of / 64Ranking
34 out of / 68Ranking
39 out of / 68Ranking
48 out of / 68Ranking
49 out of / 68Infiniti QX56 Rankings
Available Body Styles
SUV
Available Body Styles
SUV
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Acura MDX Trim Levels
SH-AWD, SH-AWD w/Advance, SH-AWD w/Advance w/RES, SH-AWD w/Tech, SH-AWD w/Tech w/RES
Infiniti QX56 Trim Levels
Base
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 60000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years / 60000 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:
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:
300 hp @ 6300 rpm
Torque:
270 foot-lbs @ 4500 rpm
Power-to-Weight Ratio (higher is better):
0.066 hp per pound
Towing capacity:
5000 lbs
Base Drivetrain Specs
Horsepower:
400 hp @ 5800 rpm
Torque:
413 foot-lbs @ 4000 rpm
Power-to-Weight Ratio (higher is better):
0.071 hp per pound
Towing capacity:
8500 lbs
Engine Specifications
Engine Size:
3.7 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
16 / 21 / 18
Range (city/hwy):
336 / 441 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
5.6 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
4X2 / 4X4
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
364 / 520 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Paddle Shifters:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Keyless Ignition:
Available
Navigation System:
Available
Parking Sensors:
Available
Roof Rack:
Available
Trailer Hitch:
Available
Voice Recognition:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Paddle Shifters:
N/A
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
N/A
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Keyless Ignition:
Standard
Navigation System:
Standard
Parking Sensors:
Standard
Roof Rack:
Available
Trailer Hitch:
Standard
Voice Recognition:
Standard
Air Suspension:
Standard
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
Standard
Front Bench Seats:
N/A
Heated Steering Wheel:
Standard
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
Standard
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Backup camera:
Available
Blind Spot Monitoring:
Available
Forward Collision Warning:
Available
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
N/A
Forward Collision Warning:
N/A
360-Degree Camera:
N/A
Driver Attention Monitoring:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
39.2 inches
Front Leg Room:
41.2 inches
Front Shoulder Room:
61.6 inches
Rear Head Room:
38.6 inches
Rear Leg Room:
38.7 inches
Rear Shoulder Room:
61.5 inches
Cargo Space:
15 cubic feet
Cargo Space, 2nd-row seat folded down:
83.5 cubic feet
Overall Interior Volume:
157.2 cubic feet
Interior Dimensions
Front Head Room:
39.9 inches
Front Leg Room:
39.6 inches
Front Shoulder Room:
63.8 inches
Rear Head Room:
40 inches
Rear Leg Room:
41 inches
Rear Shoulder Room:
63.5 inches
Cargo Space:
16.6 cubic feet
Cargo Space, 2nd-row seat folded down:
95.1 cubic feet
Overall Interior Volume:
167.9 cubic feet
Exterior Dimensions
Curb Weight:
4550 lbs
Width:
78.5 inches
Height:
68.2 inches
Length:
191.6 inches
Wheelbase:
108.3 inches
Ground Clearance:
8.2 inches
Exterior Dimensions
Curb Weight:
5595 lbs
Width:
79.9 inches
Height:
75.8 inches
Length:
208.3 inches
Wheelbase:
121.1 inches
Ground Clearance:
9.2 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
P255/55R18
Standard Wheel/Tire Information
Wheel Size:
20.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
P275/60R20
Exterior Colors
Black
Crystal Black Pearl
Blue
Bali Blue Pearl
Gray
Graphite Luster Metallic / Palladium Metallic
Red
Dark Cherry Pearl
White
Aspen White Pearl II
Brown
Not available
Silver
Not available
Exterior Colors
Black
Black Obsidian
Blue
Not available
Gray
Platinum Graphite / Smoky Quartz
Red
Not available
White
Moonlight White
Brown
Dark Currant
Silver
Liquid Platinum
Interior Colors
Beige
Parchment
Black
Ebony
Gray
Graystone
Interior Colors
Beige
Wheat
Black
Graphite
Gray
Not available
