Compare Infiniti Q50 vs Lexus IS 500

Engine

3.0L Twin-Turbo V6 Gas

Engine

5.0L V8 Gas

Transmission

7-Speed Automatic

Transmission

8-Speed Automatic

Drivetrain

Rear-Wheel Drive

Drivetrain

Rear-Wheel Drive

Fuel Economy

City: 20 MPG

Hwy: 29 MPG

Fuel Economy

City: 17 MPG

Hwy: 25 MPG

Fuel Tank Capacity

20 gallons

Fuel Tank Capacity

17.4 gallons

Seating Capacity

5 seater

Seating Capacity

5 seater

Trunk Volume

13.5 ft³

Trunk Volume

10.8 ft³

Engine and Transmission

Engine

3.0L Twin-Turbo V6 Gas

5.0L V8 Gas

Horsepower

300 hp @ 6400 rpm

472 hp @ 7100 rpm

Torque

295 lb-ft @ 1500 rpm

395 lb-ft @ 4800 rpm

Transmission

7-Speed Automatic

8-Speed Automatic

Drivetrain

Rear-Wheel Drive

Weight and Towing

Curb Weight

3,781 lbs

3,891 lbs

Fuel Economy

Combined

23 MPG

20 MPG

City

20 MPG

17 MPG

Highway

29 MPG

25 MPG

Emissions

CO2 Emissions @ 15K mi/year

7.7 Tons/yr

8.9 Tons/yr

Fuel Tank

Fuel Tank Capacity

20 gallons

17.4 gallons

Cruising Range City

400 miles

295.8 miles

Cruising Range Highway

580 miles

435 miles

Exterior Dimensions

Length

189.6 in

187.3 in

Height

57.2 in

56.5 in

Max Width

71.8 in

72.4 in

Front Width

60.8 in

62.2 in

Rear Width

61.8 in

63.2 in

Wheelbase

112.2 in

110.2 in

Ground Clearance

5.3 in

5.5 in

Interior Space

Seating Capacity

5 seater

Front Seat Leg Room

44.5 in

44.8 in

Front Seat Headroom

39.5 in

38.2 in

Front Seat Shoulder Room

56.7 in

55.9 in

Front Seat Hip Room

53.2 in

54.3 in

Rear Seat Leg Room

35.1 in

32.2 in

Rear Seat Headroom

36.8 in

36.9 in

Rear Seat Shoulder Room

56.1 in

53.4 in

Rear Seat Hip Room

52.5 in

54 in

Cargo Space

Trunk Volume

13.5 ft³

10.8 ft³

Steering

Steering Type

Rack-Pinion

Turning Diameter

36.7 ft

34.2 ft

Wheels

Wheels Type

Aluminum Wheels

Front Wheel Size

18" x 7.5"

19" x 8.5"

Rear Wheel Size

18" x 7.5"

19" x 9.5"

Suspension

Front Suspension

Double Wishbone

Rear Suspension

Multi-Link

Tires

Front Tire

P225/50VR18

P235/40YR19

Rear Tire

P225/50VR18

P265/35YR19

Spare Tire

N/A

Compact

Standard Exterior Colors

Black Obsidian
Dynamic Sunstone Red
Grand Blue
Graphite Shadow
Majestic White
Midnight Black
Pure White

Atomic Silver
Caviar
Cloudburst Gray
Grecian Water
Infrared
Iridium
Ultra White
Ultrasonic Blue Mica 2.0

Standard Interior Materials

Graphite, Leather Seating Surfaces
Stone, Leather Seating Surfaces

Black w/Black, F SPORT NuLuxe Seat Trim
Circuit Red w/Black, F SPORT NuLuxe Seat Trim
White w/Black, F SPORT NuLuxe Seat Trim

Infotainment

HD Radio

Standard

Bluetooth Connection

Standard

Premium Sound System

Standard

Satellite Radio

Standard

Smart Device Integration

Standard

WiFi Hotspot

Standard

Auxiliary Audio Input

Standard

MP3 Player

Standard

Interior Trim

Bucket Seats

Standard

Leather Seats

Standard

Not Available

Leather Steering Wheel

Standard

Premium Synthetic Seats

Not Available

Standard

Sun/Moonroof

Standard

Comfort

Steering Wheel Audio Controls

Standard

Power Mirror(s)

Standard

A/C

Standard

Adaptive Cruise Control

Standard

Climate Control

Standard

Cooled Front Seat(s)

Not Available

Standard

Cruise Control

Standard

Heated Front Seat(s)

Standard

Heated Steering Wheel

Standard

Keyless Entry

Standard

Multi-Zone A/C

Standard

Power Driver Seat

Standard

Power Passenger Seat

Standard

Remote Engine Start

Standard

Remote Trunk Release

Standard

Not Available

Seat Memory

Standard

Universal Garage Door Opener

Standard

Keyless Start

Standard

Telematics

Standard

Safety Features

Back-Up Camera

Standard

Cross-Traffic Alert

Not Available

Standard

Rear Parking Aid

Standard

Blind Spot Monitor

Standard

Lane Departure Warning

Standard

Lane Keeping Assist

Not Available

Standard

ABS

Standard

Tire Pressure Monitor

Standard

Brake Assist

Standard

Stability Control

Standard

Traction Control

Standard

US NHTSA Crash Test Result

Rollover Rating

N/A

Airbags

Driver Air Bag

Standard

Front Head Air Bag

Standard

Front Side Air Bag

Standard

Knee Air Bag

Not Available

Standard

Passenger Air Bag

Standard

Rear Head Air Bag

Standard

Rear Side Air Bag

Not Available

Standard

Warranty Summary

Basic

4 Years / 60,000 Miles

4 Years / 50,000 Miles

Corrosion

7 Years / Unlimited Miles

6 Years / Unlimited Miles

Drivetrain

6 Years / 70,000 Miles

Roadside Assistance

4 Years / Unlimited Miles

Maintenance

N/A

1 Years / 10,000 Miles

Compare Infiniti Q50 vs Lexus IS 500

Overview

Photos

Performance Specs

Engine and Transmission

Weight and Towing

Fuel and MPG

Fuel Economy

Emissions

Fuel Tank

Dimensions and Measurement

Exterior Dimensions

Interior Space

Cargo Space

Wheels and Suspension

Steering

Wheels

Suspension

Tires

Colors and Materials

Standard Exterior Colors

Standard Interior Materials

Features and Options

Infotainment

Interior Trim

Comfort

Safety

Safety Features

US NHTSA Crash Test Result

Airbags

Warranty

Warranty Summary