1998 Acura SLX Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- 75,000miles, 3 complaints with mileage
- Recalls
- 1campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 15 mpgcombined, 3.5L 6-cyl 4WD/AWD · 13 city / 18 hwy
Sources: NHTSA records for the 1998 Acura SLX (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 6 consumer complaints for the 1998 Acura SLX. The part named most often is engine cooling, with 3 complaints (50% of the total), followed by fuel system (1) and tires (1). 3 of the complaints include a mileage, and 33% of those were filed for vehicles with under 50,000 miles; the median is 75,000 miles. NHTSA lists 1 recall campaign and 3 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Engine cooling3 50%
- Fuel system1 17%
- Tires1 17%
Example complaints
Engine cooling: “My 1998 Acura SLX, with 122,000 miles, requires a new engine. The car developed a loud slapping noise and was diagnosed by 2 mechanics as a broken piston skirt. I was told that this is a common issue with these cars - a result of a mismatch between the isuzu engine and the Acura transmission.”
NHTSA complaint #10156940, filed 2006-05, 122,000 milesMileage when problems were reported
33% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 38,000 and 122,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Fuel economy and running cost
EPA ratings for each 1998 Acura SLX version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| SLX 4WD/AWD | 3.5L 6-cyl | 4-speed automatic | 13 | 18 | 15 | $4,450 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 98V180000Aug 3, 1998Power train › Transfer case (4-wheel drive)Covers: Acura SLX 1998, Isuzu Trooper 1998
Vehicle description: sport utility vehicles. The transfer gearbox flange nuts were not properly installed, causing the nuts to loosen.
Recall details for the 1998 Acura SLX → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 3 on record; the latest 3 are shown.
- 10193392Jan 1, 2017Equipment. Sending vehicle data to tech line.
- 10128562Jul 24, 2014Electrical system. Service bulletin - The MIL comes on and DTC P1441 (EVAP system flow during non-purge) is set. The PCM software does not compensate for signal variation in the fuel tank pressure sensor when fuel…
- 10037486Nov 1, 2010Tires. Acura: there are guidelines for various situations and procedures including: tire pressure valve stem installation, trailer stability malfunction light is on, engine oil application guide, new…
Other model years of the Acura SLX
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 1998 | 6 | 75,000 | 1 | — | 15 | — | Not enough data |
Frequently asked questions
How many NHTSA complaints does the 1998 Acura SLX have?
NHTSA recorded 6 consumer complaints for the 1998 Acura SLX as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1998 Acura SLX is reported most often?
Engine cooling is named most often, in 3 complaints (50% of the total), followed by fuel system with 1.
Has the 1998 Acura SLX been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1998 Acura SLX get?
The EPA rates the 1998 Acura SLX (SLX, 3.5L 6-cyl) at 15 mpg combined, 13 city and 18 highway, with an estimated annual fuel cost of $4,450 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 1998 Acura SLX reported?
Among the 3 complaints that include a mileage, the median is 75,000 miles and the middle half falls between 38,000 and 122,000 miles; 33% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.