2003-2008 Infiniti FX: Full Review
Updated: 11/23/08
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Pros
- Acceleration
- Handling/roadholding
Cons
- Visibility (rear)
- Rear-seat entry/exit
- Ride (w/20-inch wheels)
Vehicle Highlights
Introduced in midseason of 2004, the FX was a particularly stylish premium midsize crossover sport-utility vehicle. Drived from Infiniti's G35 sedan, the FX seated five, with a rear liftgate and an overall height between that of a car and an SUV. Two models were offered. The FX35 had a 280-horsepower V6 engine, and came with rear-wheel or all-wheel drive. The FX45 held a 315-horsepower V8 and came only with AWD. A five-speed automatic with manual shift gate was the sole transmission. The FX's all-wheel-drive system lacked low-range gearing and was not intended for offroading. Antilock braking, antiskid/traction control, front torso side airbags, head-protecting curtain side airbags, and xenon headlamps were standard on all models. The FX35 rode on 18-inch wheels. A sport suspension with 20-inch wheels was standard for the FX45, and optional on the FX35. The same was true of leather upholstery, heated front seats, power tilt/telescope steering wheel, and a driver-seat memory. A sunroof and roof rails were optional. So was a Technology Package with a navigation system, adaptive cruise control designed to maintain a set following distance, rear DVD entertainment, rearview video camera, and tire-pressure monitor. The package also included an "intelligent key" system with a small transmitter that allowed the driver to unlock the vehicle by pressing buttons on the doors and start it without inserting the key into the ignition. Rivals included the Acura MDX, Cadillac SRX, and Lexus RX 300/330, but a FX had a visual personality all its own.
Expert Ratings Summary (view detailed report)
| Category | FX35 AWD w/Sport Pkg.) Rating | |
|---|---|---|
| Performance | 6 | |
| Fuel Economy | 4 | |
| Ride Quality | 2 | |
| Steering/Handling/Braking | 7 | |
| Quietness | 7 | |
| Controls/Materials | 6 | |
| Interior Room | 8 | |
| Room/Comfort (rear) | 6 | |
| Cargo Capacity | 6 | |
| Value within Class | 7 | |
| Total Score: | 59 |
Year to Year Changes
Our road test for the 2003-2008 Infiniti FX includes a full evaluation from the inside out. We've evaluated every aspect of the 2003-2008 Infiniti FX and highlighted the vehicle's performance with pros and cons. Use our comprehensive road test ratings to decide if this generation 2003-2008 Infiniti FX is right for you.
Consumer Guide® Road-Test Evaluation
Each FX emphasizes sport over utility--probably too much so for some buyers. Nevertheless, refinement, virtual otherworldly style, features, and sporty road manners--worthy of an import sport sedan--qualify it as a Recommended. In short, the FX stands out among premium midsize crossover SUVs. Infiniti's strong warranty and kid-gloves customer care are bonuses, but strong resale value translates to used-vehicle prices that lean toward the hefty side.
Expert Ratings Summary
| Category | FX35 AWD w/Sport Pkg.) Rating | |
|---|---|---|
| Performance | 6 | |
| Fuel Economy | 4 | |
| Ride Quality | 2 | |
| Steering/Handling/Braking | 7 | |
| Quietness | 7 | |
| Controls/Materials | 6 | |
| Interior Room | 8 | |
| Room/Comfort (rear) | 6 | |
| Cargo Capacity | 6 | |
| Value within Class | 7 | |
| Total Score: | 59 |
Trouble Spots
Consumer Guide® Estimated Repair Costs
| Item Name | Repair Cost |
| A/C Compressor | $640 |
| Alternator | $545 |
| Automatic Transmission or Transaxle | $6,020 |
| Brakes | $575 |
| Clutch, Pressure Plate, Bearing | $0 |
| Constant Velocity Joints | $2,250 |
| Exhaust System | $805 |
| Radiator | $695 |
| Shocks and/or Struts | $1,180 |
| Timing Chain or Belt | $490 |
| Prices | Good | Average | Poor |
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| 2008 | |||
| FX35 | $28,500-32,000 | $26,500-29,800 | $19,400-21,800 |
| FX45 | $35,000-38,000 | $32,600-35,300 | $24,900-27,000 |
| 2007 | |||
| FX35 | $25,000-28,000 | $23,300-26,000 | $16,500-18,500 |
| FX45 | $31,000-33,000 | $28,800-30,700 | $21,700-23,100 |
| 2006 | |||
| FX35 | $22,900-25,500 | $21,100-23,500 | $14,900-16,600 |
| FX45 | $27,500-29,300 | $25,600-27,200 | $18,400-19,600 |
| 2005 | |||
| FX35 | $20,800-23,300 | $19,100-21,400 | $13,500-15,100 |
| FX45 | $24,000-25,700 | $22,300-23,900 | $15,600-16,700 |
| 2004 | |||
| FX35 | $18,800-21,000 | $17,300-19,300 | $12,200-13,700 |
| FX45 | $21,500-23,000 | $19,800-21,200 | $14,000-15,000 |
| 2003 | |||
| FX35 | $17,000-19,000 | $15,600-17,500 | $10,900-12,200 |
| FX45 | $19,000-20,500 | $17,500-18,900 | $12,400-13,300 |
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Vehicle Dimensions
| Specification | 4-door wagon | |
| Wheelbase, in. | 112.2 | |
| Overall Length, in. | 189.1 | |
| Overall Width, in. | 75.8 | |
| Overall Height, in. | 65.0 | |
| Curb Weight, lbs. | 4204 | |
| Cargo Volume, cu. ft. | 64.5 | |
| Standard Payload, lbs. | -- | |
| Fuel Capacity, gals. | 23.8 | |
| Seating Capacity | 5 | |
| Front Head Room, in. | 40.8 | |
| Max. Front Leg Room, in. | 43.9 | |
| Rear Head Room, in. | 39.5 | |
| Max. Rear Leg Room, in. | 35.2 | |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| dohc V6 | 3.5 / 214 | 280 | 270 | 5-speed automatic: 16/21 | 5-speed automatic: 15.6 |
| dohc V8 | 4.5 / 274 | 315 | 329 | 5-speed automatic: 15/19 | 5-speed automatic: 16 |
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EPA rating for FX35 with 2WD is 17/23 mpg. Specifications Key: NA = not available; "--" = measurement does not exist. |
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NHTSA Crash-Test Results
| Test | 2004 FX35 AWD w/Sport Pkg.) |
|---|---|
| Front Impact, Driver | 5 |
| Front Impact, Passenger | 5 |
The National Highway Traffic Safety Administration (NHTSA) tests a vehicle's worthiness in front- and side-impact collisions and rates its resistance to rollovers. Front-impact crash-test numbers indicate the chance of serious injury: 5 = 10% or less; 4 = 10-20%; 3 = 20-35%; 2 = 35-45%; 1 = More than 45%. Sideimpact crash-test numbers indicate: 5 = 5% or less; 4 = 6-10%; 3 = 11-20%; 2 = 21-25%; 1 = More than 26%. Rollover resistance numbers indicate the chance for rollover when the vehicle leaves the roadway: 5 = Less than 10%; 4 = 10-20%; 3 = 20-30%; 2 = 30-40%; 1 = More than 40%.








