INFINITI Q50 vs. INFINITI Q40
iSeeCars' unbiased and data-driven comparison of the INFINITI Q50 and INFINITI Q40 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 INFINITI Q50 and the INFINITI Q40.
In comparing the INFINITI Q50's and the INFINITI Q40's specifications and ratings, the INFINITI Q50 has the advantage in the areas of fuel efficiency and interior volume. The INFINITI Q40 has the advantage in the area of typical lower range of pricing for one- to five-year-old used cars. The INFINITI Q50 and INFINITI Q40 have the same base engine power. Based on this comparison of the INFINITI Q50's and the INFINITI Q40's specifications and ratings, the INFINITI Q50 is a better car than the INFINITI Q40.
Pricing: A used 2015 INFINITI Q50 ranges from $10,997 to $21,000 while a used 2015 INFINITI Q40 is priced between $8,994 to $18,997.
Engine Power and Fuel Efficiency Comparison: For engine performance, the base engine of both the INFINITI Q50 and the INFINITI Q40 makes 328 horsepower. The Q50 is rated to deliver an average of 23 miles per gallon, with a highway range of 580 miles. The Q40 is rated to deliver an average of 22 miles per gallon, with a highway range of 540 miles. This gives the INFINITI Q50 the fuel efficiency and maximum range advantage over the INFINITI Q40. Both models use gasoline.
Passenger Space Comparison: The INFINITI Q50 has the advantage of offering more interior volume, reflected in more front shoulder room, front leg room, rear shoulder room and rear leg room. The INFINITI Q40 has the advantage in the areas of front head room and rear head room. The INFINITI Q50 and INFINITI Q40 are comparable in regards to cargo space.
New Car Pricing
Asking Price:
-
Starting MSRP:
37150
Category Avg Starting MSRP:
(Luxury Compact Cars)
38801
Category Starting MSRP Range:
(Luxury Compact Cars)
21065 - 62000
New Car Pricing
Asking Price:
-
Starting MSRP:
33950
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
16285
Price Range:
10997 - 21000
Category Avg Price:
(Luxury Compact Cars)
17656
Category Avg Price Range:
(Luxury Compact Cars)
11301 - 37852
# Used Cars for Sale Nationally:
157
Avg Mileage of Used Cars for Sale:
105653
# Good or Great Deals:
51
Used Car Pricing
Avg Used Car Price:
14197
Price Range:
8994 - 18997
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
29
Avg Mileage of Used Cars for Sale:
103716
# Good or Great Deals:
20
INFINITI Q50 Scores & Rankings
Overall Score:
7.239536 / 10
Reliability:
7.2 / 10
Retained Value:
7.279072 / 10
Safety:
Not available
INFINITI Q40 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for INFINITI Q50
Remaining Life Expectancy (years):
1.5
Typical Category Remaining Life Expectancy:
(Luxury Compact Cars)
2.1
Category Remaining Life Expectancy Range:
(Luxury Compact Cars)
0.5 - 5.4
Chance of Reaching 200k Miles for a New Car:
0.052
iSeeCars Reliability Insights for INFINITI Q40
Remaining Life Expectancy (years):
0.9
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
0.031
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.9809165370327195
Typical Category Recalls:
(Luxury Compact Cars)
3.2
Category Range for Recalls:
(Luxury Compact Cars)
0.8 - 27.2
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
0.9509228032937255
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
INFINITI Q50 Rankings
Ranking
3 out of / 36Ranking
7 out of / 32Ranking
8 out of / 36Ranking
8 out of / 36Ranking
10 out of / 36Ranking
10 out of / 32Ranking
13 out of / 36Ranking
16 out of / 36Ranking
34 out of / 36INFINITI Q40 Rankings
Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
INFINITI Q50 Trim Levels
Base, Premium, Sport
INFINITI Q40 Trim Levels
Base
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 60000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 60000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
5 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:
5 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:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
328 hp @ 7000 rpm
Torque:
269 foot-lbs @ 5200 rpm
Power-to-Weight Ratio (higher is better):
0.092 hp per pound
Base Drivetrain Specs
Horsepower:
328 hp @ 7000 rpm
Torque:
269 foot-lbs @ 5200 rpm
Power-to-Weight Ratio (higher is better):
0.091 hp per pound
Engine Specifications
Engine Size:
3.7 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 29 / 23
Range (city/hwy):
400 / 580 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
3.7 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 27 / 22
Range (city/hwy):
380 / 540 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Navigation System:
Available
Paddle Shifters:
Available
Parking Sensors:
Available
Roadside assistance:
Available
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Power outlet:
Standard
Satellite radio:
Standard
Voice Recognition:
Available
Adaptive Cruise Control:
N/A
Heated Seats
Standard
Heated Steering Wheel:
N/A
Navigation System:
Available
Paddle Shifters:
N/A
Parking Sensors:
N/A
Roadside assistance:
N/A
Sunroof/Moonroof:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Backup camera:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention 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
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
Available
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:
40.2 inches
Front Leg Room:
44.5 inches
Front Shoulder Room:
56.7 inches
Rear Head Room:
37.5 inches
Rear Leg Room:
35.1 inches
Rear Shoulder Room:
56.1 inches
Cargo Space:
13.5 cubic feet
Overall Interior Volume:
101.9 cubic feet
Interior Dimensions
Front Head Room:
40.5 inches
Front Leg Room:
43.9 inches
Front Shoulder Room:
55.6 inches
Rear Head Room:
37.7 inches
Rear Leg Room:
34.7 inches
Rear Shoulder Room:
55.2 inches
Cargo Space:
13.5 cubic feet
Overall Interior Volume:
99.0 cubic feet
Exterior Dimensions
Curb Weight:
3574 lbs
Width:
71.8 inches
Height:
56.8 inches
Length:
188.3 inches
Wheelbase:
112.2 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3624 lbs
Width:
69.8 inches
Height:
57.2 inches
Length:
187.9 inches
Wheelbase:
112.2 inches
Ground Clearance:
5.1 inches
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
P225/55R17
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
P225/55R17
Exterior Colors
Black
Black Obsidian / Malbec Black
Blue
Hagane Blue
Brown
Chestnut Bronze
Gray
Graphite Shadow
Red
Venetian Ruby
Silver
Liquid Platinum
White
Moonlight White
Exterior Colors
Black
Black Obsidian
Blue
Not available
Brown
Not available
Gray
Graphite Shadow
Red
Not available
Silver
Liquid Platinum
White
Moonlight White
Interior Colors
Black
Graphite
Gray
Stone
Interior Colors
Black
Graphite
Gray
Stone
