How much does the 2007 INFINITI M45 cost?

The 2007 INFINITI M45 has a starting MSRP of $49,100, ranging up to $50,550 for the top trim. Trim pricing includes 45 from $49,100; 45 Sport from $50,550.

What is the fuel economy of the 2007 INFINITI M45?

The 2007 INFINITI M45 achieves up to 18 MPG combined (EPA estimate), depending on trim and configuration.

How much cargo space does the 2007 INFINITI M45 have?

The 2007 INFINITI M45 offers up to 14.9 cubic feet of cargo capacity, depending on trim and seating configuration.

How many trims does the 2007 INFINITI M45 come in?

The 2007 INFINITI M45 is available in 2 trims across Sedan body styles with rear wheel drive.

2007 INFINITI M45

2 trims · Sedan

Starting MSRP

$49,100 – $50,550

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Pricing

How much should you pay for the INFINITI M45? Select a trim to update purchase and lease estimates.

MSRP by trim

Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.

Purchase information

Based on 45

Total price (45 MSRP)

$49,100

Typical monthly

$972/mo

Avg. APR

7.00%

60-month loan estimate for good credit (rates as of 2026-07-12). Not a credit offer; actual APR varies by lender, credit, and dealer.

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Compare 2007 INFINITI M45 trims

45
MSRP
$49,100
Fuel economy (city/hwy)
16/21
Horsepower
325 hp
Torque
336 lb-ft
Engine
4.5L V8 gas
Seating
5
Drivetrain
RWD
Cargo (cu ft)
14.9
Max towing
—
45 Sport
MSRP
$50,550
Fuel economy (city/hwy)
16/21
Horsepower
325 hp
Torque
336 lb-ft
Engine
4.5L V8 gas
Seating
5
Drivetrain
RWD
Cargo (cu ft)
14.9
Max towing
—

Compare 2007 INFINITI M45 trim specifications
Spec	45	45 Sport
MSRP	$49,100	$50,550
Fuel economy (city/hwy)	16/21	16/21
Horsepower	325 hp	325 hp
Torque	336 lb-ft	336 lb-ft
Engine	4.5L V8 gas	4.5L V8 gas
Seating	5	5
Drivetrain	RWD	RWD
Cargo (cu ft)	14.9	14.9
Max towing	—	—

Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.

Full specifications

Engine & drivetrain

Engine type: 45gas
45 Sportgas
Fuel type: 45premium unleaded (required)
45 Sportpremium unleaded (required)
Cylinders: 45V8
45 SportV8
Displacement: 454.5 L
45 Sport4.5 L
Horsepower: 45325 hp
45 Sport325 hp
Torque: 45336 lb-ft
45 Sport336 lb-ft
Transmission: 455-speed shiftable automatic
45 Sport5-speed shiftable automatic
Drivetrain: 45rear wheel drive
45 Sportrear wheel drive

Dimensions

Body type: 45Sedan
45 SportSedan
Doors: 454
45 Sport4
Seating: 455
45 Sport5
Length: 45192.6 in
45 Sport192.6 in
Width: 4570.8 in
45 Sport70.8 in
Height: 4559.4 in
45 Sport59.5 in
Wheelbase: 45114.2 in
45 Sport114.2 in
Ground clearance: 455.1 in
45 Sport5.3 in

Capacity & weight

Cargo capacity: 4514.9 cu ft
45 Sport14.9 cu ft
Max cargo capacity: 4514.9 cu ft
45 Sport14.9 cu ft
Curb weight: 454,005 lbs
45 Sport4,032 lbs
Fuel tank: 4520 gal
45 Sport20 gal

Fuel economy & EV

Combined MPG: 4518
45 Sport18
City MPG: 4516
45 Sport16
Highway MPG: 4521
45 Sport21

Full specifications by trim
Spec	45	45 Sport
Engine & drivetrain
Engine type	gas	gas
Fuel type	premium unleaded (required)	premium unleaded (required)
Cylinders	V8	V8
Displacement	4.5 L	4.5 L
Horsepower	325 hp	325 hp
Torque	336 lb-ft	336 lb-ft
Transmission	5-speed shiftable automatic	5-speed shiftable automatic
Drivetrain	rear wheel drive	rear wheel drive
Dimensions
Body type	Sedan	Sedan
Doors	4	4
Seating	5	5
Length	192.6 in	192.6 in
Width	70.8 in	70.8 in
Height	59.4 in	59.5 in
Wheelbase	114.2 in	114.2 in
Ground clearance	5.1 in	5.3 in
Capacity & weight
Cargo capacity	14.9 cu ft	14.9 cu ft
Max cargo capacity	14.9 cu ft	14.9 cu ft
Curb weight	4,005 lbs	4,032 lbs
Fuel tank	20 gal	20 gal
Fuel economy & EV
Combined MPG	18	18
City MPG	16	16
Highway MPG	21	21