1998 Infiniti Q45 Base
Unverified
All photo credits
- Photo: 1997 Infinit Q45 4.1L front 6.20.18 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Infiniti Q45 Y33 4.1 V8 Black Obsidian by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Infiniti Q45 FYG33 Pewter by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons
- Photo: Infiniti Q45 -- 08-12-2010 by IFCAR, Public domain, via Wikimedia Commons
- Photo: 1997 Infinit Q45 4.1L rear 6.20.18 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
The 1998 Infiniti Q45 Base is a 266-hp 4.1-liter V8 with a 4-speed electronically-controlled automatic and rear-wheel drive. It starts at $48,395 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 22 mpg highway (18 mpg combined).
The Q45 measures 199.6 inches long on a 111.4-inch wheelbase and has a curb weight of 3,879 lb.
| Spec | Value |
|---|---|
| Vehicle | |
| Body Type | Sedan |
| Powertrain | Gas |
| Price | |
| MSRP | $48,395 ($96,493 *) |
| Engine | |
| Engine Type | VH41DE 4.1L DOHC 32-valve V8 |
| Displacement | 4.1 L |
| Horsepower | 266 hp @ 5,600 rpm |
| Torque | 278 lb-ft @ 4000 rpm |
| Redline | 6,600 rpm |
| Valvetrain | DOHC, 4 valves/cylinder, 32 valves total |
| Bore and Stroke | 93 x 76 mm |
| Compression Ratio | 10.5:1 |
| Injection Type | Sequential multi-port fuel injection (SMPFi) |
| Drivetrain | |
| Drive Type | RWD |
| Differential Type | Viscous limited-slip differential (VLSD) |
| Transmission | |
| Transmission | 4-speed electronically-controlled automatic (overdrive, lock-up torque converter) |
| 1st Gear | 2.57 (54 mph **) |
| 2nd Gear | 1.48 (94 mph **) |
| 3rd Gear | 1 (139 mph **) |
| 4th Gear | 0.69 (202 mph **) |
| Reverse | 2.28 |
| Final Drive | 3.69 |
| Fuel Economy | |
| City | 16 MPG |
| Highway | 22 MPG |
| Combined | 18 MPG |
| Recommended Fuel | Premium unleaded |
| Tank Capacity | 21.4 gal |
| Suspension | |
| Front Suspension | MacPherson strut, coil spring, anti-roll bar |
| Rear Suspension | Independent multi-link, coil spring (3-link design) |
| Turning Diameter | 36.1 ft |
| Brakes | |
| Front Brake Disc | 297 mm vented disc |
| Rear Brake Disc | 292 mm vented disc |
| Tires & Wheels | |
| Wheels Front | 16x7 in |
| Wheels Rear | 16x7 in |
| Tires Front | 215/60R16 |
| Tires Rear | 215/60R16 |
| Dimensions & Weight | |
| Length | 199.6 in |
| Width | 71.7 in |
| Height | 56.9 in |
| Wheelbase | 111.4 in |
| Ground Clearance | 5.8 in |
| Cargo Volume | 12.6 ft³ |
| Curb Weight | 3,879 lbs |
| Weight Distribution (F/R) | 57% / 43% |
| Interior | |
| Headroom Front | 37.6 in |
| Headroom Rear | 36.9 in |
| Legroom Front | 43.6 in |
| Legroom Rear | 35.9 in |
| Shoulder Room Front | 56.7 in |
| Shoulder Room Rear | 56.7 in |
| Hip Room Front | 55.7 in |
| Hip Room Rear | 55.7 in |
Similar cars
Rivals to the 1998 Infiniti Q45 Base with similar size, power and price from around the same years.
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
3 recalls on file with NHTSA for the 1998 Infiniti Q45. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Jun 24, 2002 · ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
ON CERTAIN PASSENGER VEHICLES, ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH COULD MELT THE PLASTIC HOUSING.
Consequence: IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE ENGINE COMPARTMENT, IT COULD IGNITE AND IN TURN IGNITE THE FAN GUIDE IN THE ALTERNATOR.
Remedy: DEALERS WILL REPLACE THE ALTERNATOR. OWNER NOTIFICATION BEGAN JULY 29, 2002. 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 NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.
NHTSA campaign 02V171000
May 20, 1999 · ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
VEHICLE DESCRIPTION: PASSENGER VEHICLES. ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH COULD MELT THE PLASTIC HOUSING.
Consequence: IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE ENGINE COMPARTMENT, IT COULD IGNITE AND IN TURN IGNITE THE FAN GUIDE IN THE ALTERNATOR.
Remedy: DEALERS WILL REPLACE THE ALTERNATOR.
NHTSA campaign 99V129000
Dec 14, 1998 · POWER TRAIN:AUTOMATIC TRANSMISSION
VEHICLE DESRIPTION: PASSENGER VEHICLES. THE IGNITION KEY CAN BE REMOVED WHEN THE ENGINE IS TURNED OFF WITHOUT PLACING THE TRANSMISSION SHIFT LEVER IN THE "PARK" POSITION. THIS DOES NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE, STARTER INTERLOCK, AND TRANSMISSION BRAKING EFFECT."
Consequence: IF THIS OCCURRED AND THE DRIVER FAILED TO MOVE THE SHIFT LEVER TO 'PARK' OR ENGAGE THE PARKING BRAKE, THE VEHICLE COULD ROLL AWAY IF PARKED ON A SLOPE.
Remedy: DEALERS WILL REPLACE THE SHIFT LOCK CONTROL UNIT.
NHTSA campaign 98V325000
14 owner complaints to NHTSA for the 1998 Infiniti Q45
Owner Complaints
14 owner complaints filed with NHTSA for the 1998 Infiniti Q45 (4 mention a crash, 1 a fire, 4 an injury). See all on nhtsa.gov
| Air Bags | 6 |
| Electrical System | 2 |
| Engine And Engine Cooling | 1 |
| Hydraulic | 1 |
| Seat Belts | 1 |
| Service Brakes | 1 |
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 1998 INFINITI Q45. US-market vehicles only; data cached for up to 7 days.