INFINITI M45 vs INFINITI Q45 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Used Car Pricing Used listing price comparison and analysis.

2010 INFINITI M45
RWD
CarGurus Instant Market Value
$52,150
2006 INFINITI Q45
Sport RWD
CarGurus Instant Market Value
$58,750
3 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2010 INFINITI M45
RWD
Michael Perkins Preview:

The 2010 M45 takes Infiniti’s M35 sports sedan and adds some numbers, namely 23 hp in the form of a V8 upgrade over the M35’s V6. Unfortunately, that upgrade also comes with an extra 1...

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...

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

2010 INFINITI M45
RWD
No User Reviews
2006 INFINITI Q45
Sport RWD
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
2006 INFINITI Q45 Sport RWDReview:

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

25
2006 INFINITI Q45 Sport RWDReview:

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

Specs

2010 INFINITI M45
RWD
2006 INFINITI Q45
Sport RWD
Powertrain 5-Speed Automatic 5-Speed Automatic
Drivetrain
RWD
RWD
Fuel Economy, City
16 MPG
15 MPG
Fuel Economy, Highway
21 MPG
22 MPG
Fuel Tank Volume 20 gal 21 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
325 hp @ 6,400 RPM
340 hp @ 6,400 RPM
Torque
336 lb-ft @ 4,000 RPM
333 lb-ft @ 4,000 RPM
Cylinders
8 cylinders
8 cylinders
Compression Ratio
10.5:1
--
Displacement
4,500 cc
4,500 cc
Bore x Stroke
3.66 in x 3.26 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
Comfort and Convenience
Sunroof/Moonroof Standard Standard
Leather Seats Standard Standard
Air Conditioning Standard Standard
CD Player Standard Standard
CD Changer Standard 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 44.2 in 44 in
Back Legroom 37.3 in 37.3 in
Payload and Towing
Cargo Volume 14.9 cu ft 13.6 cu ft
Maximum Payload 1,066 lbs 979 lbs
Standard Towing Capacity -- 1,000 lbs
Maximum Towing Capacity -- 1,000 lbs
Exterior
Length 194.1 in 200.8 in
Width 71.1 in 72.6 in
Height 59.4 in 58.7 in
Wheelbase 114.2 in 113 in

Available Options

2010 INFINITI M45
RWD
2006 INFINITI Q45
Sport RWD

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