INFINITI Q45 vs INFINITI M56 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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User Ranking Drivers and owners ranked these cars in 9 categories.

Used Car Pricing Used listing price comparison and analysis.

2006 INFINITI Q45
Sport RWD
CarGurus Instant Market Value
$58,750
1 vehicle

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2013 INFINITI M56
RWD
CarGurus Instant Market Value
$61,200
1 vehicle

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Expert Reviews Reviews from CarGurus experts.

2006 INFINITI Q45
Sport RWD

The 2006 Infiniti Q45 received sporty updates that improve performance this year, included in a new trim. Along with the base Q luxury sedan, which was dropped mid-year, the 2006 Q45 a...

2013 INFINITI M56
RWD
Patricia Mayo Preview:

Moving into 2013, Infiniti's highest tier of its flagship midsize M sedan benefits from the same updates as its small-block brothers while gaining some new inclusions to option packs t...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2006 INFINITI Q45
Sport RWD
migration_Cureton72 2006 INFINITI Q45 Sport RWDReview:

Moment For Life...nikki Minaj — It's an Infiniti...What else needs to be said! I loved this car from the moment I saw her shining on...

Primary Use: Commuting to work

25
Santiago 2006 INFINITI Q45 Sport RWDReview:

Q 45 — Es increible ese carro... la aceleracion es realmente absurda, el interior del carro es muy elegante...

25
Lynn 2006 INFINITI Q45 Sport RWDReview:

Skid Marks At Your Doorsteps! — I can be a 'soccer mom' and still look good.

2013 INFINITI M56
RWD
No User Reviews

Specs

2006 INFINITI Q45
Sport RWD
2013 INFINITI M56
RWD
Powertrain 5-Speed Automatic 7-Speed Automatic
Drivetrain
RWD
RWD
Fuel Economy, City
15 MPG
16 MPG
Fuel Economy, Highway
22 MPG
24 MPG
Fuel Tank Volume 21 gal 20 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
340 hp @ 6,400 RPM
420 hp @ 6,000 RPM
Torque
333 lb-ft @ 4,000 RPM
417 lb-ft @ 4,400 RPM
Cylinders
8 cylinders
8 cylinders
Compression Ratio
--
11.5:1
Displacement
4,500 cc
5,600 cc
Bore x Stroke
--
3.86 in x 3.62 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Overall -- 4 stars
Front Crash Overall -- 4 stars
Front Crash Driver -- 5 stars
Front Crash Passenger -- 4 stars
Side Crash Overall -- 5 stars
Side Barrier Driver -- 5 stars
Side Barrier Passenger -- 5 stars
Side Pole Driver -- 5 stars
Rollover -- 5 stars
Comfort and Convenience
Sunroof/Moonroof Standard Standard
Leather Seats Standard --
Air Conditioning Standard Standard
CD Player Standard Standard
CD Changer Standard --
Cassette Player Standard --
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 5 seats
Front Legroom 44 in 44 in
Back Legroom 37.3 in 36.2 in
Payload and Towing
Cargo Volume 13.6 cu ft 14.9 cu ft
Maximum Payload 979 lbs 1,111 lbs
Standard Towing Capacity 1,000 lbs --
Maximum Towing Capacity 1,000 lbs --
Exterior
Length 200.8 in 194.7 in
Width 72.6 in 72.6 in
Height 58.7 in 59.1 in
Wheelbase 113 in 114.2 in

Available Options

2006 INFINITI Q45
Sport RWD
2013 INFINITI M56
RWD

Exterior Colors

  • Black Obsidian
  • Liquid Platinum
  • Malbec Black
  • Moonlight White
  • Platinum Graphite
  • Storm Front Grey

Option Packages

  • [H01] Technology PKG
  • [K01] Deluxe Touring PKG
  • [R01] Sport PKG
  • [R93] Aerodynamic Kit
  • [W01] Performance Tire & Wheel PKG

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