← Back to Search

2001 Infiniti Q45 Luxury

The 2001 Infiniti Q45 Luxury is a 266-hp 4.1-liter V8 with a 4-speed electronically-controlled automatic and rear-wheel drive. It starts at $49,440 MSRP and is rated at 18 mpg combined.

It makes 266 horsepower at 5,600 rpm and 278 lb-ft of torque at 4000 rpm, spinning to a 6,600 rpm redline. EPA fuel-economy estimates are 16 mpg city and 21 mpg highway (18 mpg combined).

The Q45 measures 199.1 inches long on a 111.4-inch wheelbase and has a curb weight of 4,007 lb.

Spec Value
Vehicle
Body TypeSedan
PowertrainGas
Price
MSRP$49,440 ($90,728 *)
Engine
Engine TypeVH41DE 4.1L DOHC 32-valve V8
Displacement4.1 L
Horsepower266 hp @ 5,600 rpm
Torque278 lb-ft @ 4000 rpm
Redline6,600 rpm
ValvetrainDOHC, 4 valves/cylinder, 32 valves total
Bore and Stroke93 x 76 mm
Compression Ratio10.5:1
Injection TypeSequential multi-port fuel injection (SMPFi)
Drivetrain
Drive TypeRWD
Differential TypeViscous limited-slip differential (VLSD)
Transmission
Transmission4-speed electronically-controlled automatic (overdrive, lock-up torque converter)
1st Gear2.56 (54 mph **)
2nd Gear1.48 (94 mph **)
3rd Gear1 (139 mph **)
4th Gear0.69 (202 mph **)
Reverse2.27
Final Drive3.69
Fuel Economy
City16 MPG
Highway21 MPG
Combined18 MPG
Recommended FuelPremium unleaded
Tank Capacity21.4 gal
Suspension
Front SuspensionMacPherson strut, coil spring, anti-roll bar
Rear SuspensionIndependent multi-link, coil spring (3-link design)
Turning Diameter36.1 ft
Brakes
Front Brake Disc297 mm vented disc
Rear Brake Disc292 mm vented disc
Tires & Wheels
Wheels Front16x7 in
Wheels Rear16x7 in
Tires Front215/60R16
Tires Rear215/60R16
Dimensions & Weight
Length199.1 in
Width71.7 in
Height56.9 in
Wheelbase111.4 in
Front Track60.6 in
Rear Track60.6 in
Ground Clearance5.8 in
Cargo Volume12.6 ft³
Curb Weight4,007 lbs
Weight Distribution (F/R)57% / 43%
Interior
Headroom Front37.6 in
Headroom Rear36.9 in
Legroom Front43.6 in
Legroom Rear35.9 in
Shoulder Room Front56.7 in
Shoulder Room Rear56.7 in
Hip Room Front55.7 in
Hip Room Rear55.7 in
* Amount adjusted for inflation to 2026 dollars
** Theoretical max speed per gear at redline

Safety & Recalls

NCAP safety ratings

Not crash-tested by NHTSA for this model year.

Recalls

1 recall on file with NHTSA for the 2001 Infiniti Q45. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Mar 19, 2003 · WHEELS

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 17 INCH ALLOY WHEELS, THE WHEELS MAY HAVE A CASTING DEFECT FROM WHICH CRACKS COULD PROPAGATE AS THE VEHICLE IS BEING DRIVEN.

Consequence: IF A SUFFICIENT NUMBER OF CRACKS DEVELOP, THE WHEEL COULD FAIL AND SEPARATE FROM THE MOUNTING HUB, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THESE WHEELS. OWNER NOTIFICATION BEGAN APRIL 28, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT INFINITI AT 1-800-662-6200.

NHTSA campaign 03V098000

4 owner complaints to NHTSA for the 2001 Infiniti Q45

Owner Complaints

4 owner complaints filed with NHTSA for the 2001 Infiniti Q45 (1 mention a crash). See all on nhtsa.gov

Most-cited areas
Electrical System2
Child Seat1
Vehicle Speed Control1
A complaint can cite more than one area.
Most recent complaints
Jan 16, 2007 · Electrical System
“TL* - THE CONTACT STATED THAT DURING 2006 THEY REPLACED THE ALTERNATOR IN HER 2001 INFINITI Q45. THE CONTACT IS CONCERNED BECAUSE SHE WAS INFORMED OF A RECALL IN CANADA FOR A SIMILAR FAILURE. THE…”
Dec 11, 2004 · Electrical System
“VEHICLE EXPERIENCES A TOTAL ELECTRICAL SHUTDOWN. FIRST OCCASION WAS AFTER A 6 HOUR DRIVE AND SHUT DOWN IN THE PARKING LOT. VEHICLE WAS TRANSPORTED 100 MILES TO NEAREST INFINITY DEALERSHIP, ALTERNATOR…”
Sep 28, 2004 · Child Seat
“CHILD SAFETY SEAT FAILURE, HARNESS ADJUSTER FAILS TO PROPERLY TIGHTEN. *BF *SC *JB”
Aug 1, 2003 · Vehicle Speed Control Crash
“WHEN THE CONSUMER PLACED THE VEHICLE IN THE REVERSE GEAR THE VEHICLE ACCELERATED SUDDENLY AND CAUSED AN ACCIDENT. *AK *CB *NLM”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2001 INFINITI Q45. US-market vehicles only; data cached for up to 7 days.

← Back to Search