INFINITI Q50 vs. Lexus IS 250
iSeeCars' unbiased and data-driven comparison of the INFINITI Q50 and Lexus IS 250 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 Lexus IS 250.
When we compare the INFINITI Q50's and the Lexus IS 250's specifications and ratings, the INFINITI Q50 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. The Lexus IS 250 has the advantage in the area of fuel efficiency. Based on this comparison of the INFINITI Q50's and the Lexus IS 250's specifications and ratings, the INFINITI Q50 is a better car than the Lexus IS 250.
Pricing: A used 2015 INFINITI Q50 ranges from $10,997 to $21,000 while a used 2015 Lexus IS 250 is priced between $14,422 to $24,727.
Engine Power and Fuel Efficiency Comparison: For engine performance, the INFINITI Q50’s base engine makes 328 horsepower, and the Lexus IS 250 base engine makes 204 horsepower. The Q50 is rated to deliver an average of 23 miles per gallon, with a highway range of 580 miles. The IS 250 is rated to deliver an average of 24 miles per gallon, with a highway range of 522 miles.This gives the Lexus IS 250 the advantage in fuel efficiency and the INFINITI Q50 the advantage in maximum range. Both models use gasoline.
Passenger Space Comparison: The INFINITI Q50 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear head room, rear shoulder room and rear leg room. The Lexus IS 250 has the advantage in the areas of front leg room cargo space.
New Car Pricing
Asking Price:
-
Starting MSRP:
$37,150
Category Avg Starting MSRP:
(Luxury Compact Cars)
$38,801
Category Starting MSRP Range:
(Luxury Compact Cars)
$21,065 - $62,000
New Car Pricing
Asking Price:
-
Starting MSRP:
$36,550
Category Avg Starting MSRP:
(Luxury Compact Cars)
$38,801
Category Starting MSRP Range:
(Luxury Compact Cars)
$21,065 - $62,000
Used Car Pricing
Avg Used Car Price:
$16,285
Price Range:
$10,997 - $21,000
Category Avg Price:
(Luxury Compact Cars)
$17,656
Category Avg Price Range:
(Luxury Compact Cars)
$11,301 - $37,852
# Used Cars for Sale Nationally:
167
Avg Mileage of Used Cars for Sale:
101,921
# Good or Great Deals:
75
Used Car Pricing
Avg Used Car Price:
$19,316
Price Range:
$14,422 - $24,727
Category Avg Price:
(Luxury Compact Cars)
$17,656
Category Avg Price Range:
(Luxury Compact Cars)
$11,301 - $37,852
# Used Cars for Sale Nationally:
155
Avg Mileage of Used Cars for Sale:
98,629
# Good or Great Deals:
51
INFINITI Q50 Scores & Rankings
Overall Score:
7.2 / 10
Reliability:
7.2 / 10
Retained Value:
7.3 / 10
Safety:
Not available
Lexus IS 250 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:
5.2%
iSeeCars Reliability Insights for Lexus IS 250
Remaining Life Expectancy (years):
3.7
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:
47.4%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2
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:
0.8
Typical Category Recalls:
(Luxury Compact Cars)
3.2
Category Range for Recalls:
(Luxury Compact Cars)
0.8 - 27.2
INFINITI Q50 Rankings
Ranking
3 out of / 36Ranking
5 out of / 12Ranking
8 out of / 36Ranking
9 out of / 36Ranking
10 out of / 31Ranking
13 out of / 36Ranking
14 out of / 36Ranking
21 out of / 36Ranking
33 out of / 36Lexus IS 250 Rankings
Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
INFINITI Q50 Trim Levels
Base, Premium, Sport
Lexus IS 250 Trim Levels
Base, Crafted Line
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 / 50000 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:
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
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:
204 hp @ 6400 rpm
Torque:
185 foot-lbs @ 4800 rpm
Power-to-Weight Ratio (higher is better):
0.059 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:
2.5 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
21 / 30 / 24
Range (city/hwy):
365 / 522 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:
Standard
Adaptive Cruise Control:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Navigation System:
Available
Paddle Shifters:
Standard
Parking Sensors:
Available
Roadside assistance:
N/A
Sunroof/Moonroof:
Standard
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
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:
N/A
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
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:
38.2 inches
Front Leg Room:
44.8 inches
Front Shoulder Room:
55.9 inches
Rear Head Room:
36.9 inches
Rear Leg Room:
32.2 inches
Rear Shoulder Room:
53.4 inches
Cargo Space:
13.8 cubic feet
Overall Interior Volume:
90.2 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:
3461 lbs
Width:
79.8 inches
Height:
56.3 inches
Length:
183.7 inches
Wheelbase:
110.2 inches
Ground Clearance:
5.3 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:
P225/45R17
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
Obsidian
Blue
Deep Sea Mica
Brown
Not available
Gray
Nebula Gray Pearl
Red
Matador Red Mica
Silver
Atomic Silver / Silver Lining Metallic
White
Starfire Pearl / Ultra White
Interior Colors
Black
Graphite
Gray
Stone
Beige
Not available
Purple
Not available
Interior Colors
Black
Black / Black w/ Matte Black trim / Black w/ Silver Performance trim
Gray
Stratus Gray / Stratus Gray w/ Matte Black trim / Stratus Gray w/ Silver Performance trim
Beige
Flaxen / Parchment
Purple
Rioja Red
