How much does the 2010 INFINITI M45 cost?

The 2010 INFINITI M45 has a starting MSRP of $52,150, ranging up to $54,650 for the top trim. Trim pricing includes 45 from $52,150; 45 x from $54,650.

What is the fuel economy of the 2010 INFINITI M45?

The 2010 INFINITI M45 achieves up to 18 MPG combined (EPA estimate), depending on trim and configuration.

How much cargo space does the 2010 INFINITI M45 have?

The 2010 INFINITI M45 offers up to 14.9 cubic feet of cargo capacity, depending on trim and seating configuration.

How many trims does the 2010 INFINITI M45 come in?

The 2010 INFINITI M45 is available in 2 trims across Sedan body styles with rear wheel drive, all wheel drive.

2010 INFINITI M45

2 trims · Sedan

Starting MSRP

$52,150 – $54,650

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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)

$52,150

Typical monthly

$1,033/mo

Avg. APR

7.00%

60-month loan estimate for good credit (rates as of 2026-08-23). Not a credit offer; actual APR varies by lender, credit, and dealer.

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Compare 2010 INFINITI M45 trims

45
MSRP
$52,150
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 x
MSRP
$54,650
Fuel economy (city/hwy)
14/20
Horsepower
325 hp
Torque
336 lb-ft
Engine
4.5L V8 gas
Seating
5
Drivetrain
AWD
Cargo (cu ft)
14.9
Max towing
—

Compare 2010 INFINITI M45 trim specifications
Spec	45	45 x
MSRP	$52,150	$54,650
Fuel economy (city/hwy)	16/21	14/20
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	AWD
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 xgas
Fuel type: 45premium unleaded (required)
45 xpremium unleaded (required)
Cylinders: 45V8
45 xV8
Displacement: 454.5 L
45 x4.5 L
Horsepower: 45325 hp
45 x325 hp
Torque: 45336 lb-ft
45 x336 lb-ft
Transmission: 455-speed shiftable automatic
45 x5-speed shiftable automatic
Drivetrain: 45rear wheel drive
45 xall wheel drive

Dimensions

Body type: 45Sedan
45 xSedan
Doors: 454
45 x4
Seating: 455
45 x5
Length: 45194.1 in
45 x194.1 in
Width: 4571.1 in
45 x71.1 in
Height: 4559.4 in
45 x60 in
Wheelbase: 45114.2 in
45 x114.2 in
Ground clearance: 455.1 in
45 x5.5 in

Capacity & weight

Cargo capacity: 4514.9 cu ft
45 x14.9 cu ft
Max cargo capacity: 4514.9 cu ft
45 x14.9 cu ft
Curb weight: 453,990 lbs
45 x4,176 lbs
Fuel tank: 4520 gal
45 x20 gal

Fuel economy & EV

Combined MPG: 4518
45 x16
City MPG: 4516
45 x14
Highway MPG: 4521
45 x20

Full specifications by trim
Spec	45	45 x
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	all wheel drive
Dimensions
Body type	Sedan	Sedan
Doors	4	4
Seating	5	5
Length	194.1 in	194.1 in
Width	71.1 in	71.1 in
Height	59.4 in	60 in
Wheelbase	114.2 in	114.2 in
Ground clearance	5.1 in	5.5 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	3,990 lbs	4,176 lbs
Fuel tank	20 gal	20 gal
Fuel economy & EV
Combined MPG	18	16
City MPG	16	14
Highway MPG	21	20

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2010 INFINITI M45 FAQ

How much does the 2010 INFINITI M45 cost?: The 2010 INFINITI M45 has a starting MSRP of $52,150, ranging up to $54,650 for the top trim. Trim pricing includes 45 from $52,150; 45 x from $54,650.
What is the fuel economy of the 2010 INFINITI M45?: The 2010 INFINITI M45 achieves up to 18 MPG combined (EPA estimate), depending on trim and configuration.
How much cargo space does the 2010 INFINITI M45 have?: The 2010 INFINITI M45 offers up to 14.9 cubic feet of cargo capacity, depending on trim and seating configuration.
How many trims does the 2010 INFINITI M45 come in?: The 2010 INFINITI M45 is available in 2 trims across Sedan body styles with rear wheel drive, all wheel drive.