NHTSA lists 1 safety recall and 27 owner complaints for the 2003 Cadillac Seville. Most complaints involve engine and engine cooling (5) and suspension (4). The EPA rates it 19 mpg combined.
ON CERTAIN CADILLAC DEVILLE AND SEVILLE PASSENGER VEHICLES, FUNERAL COACHES, AND LIMOUSINES EQUIPPED WITH A V8 (4.6L) ENGINE, OLDSMOBILE AURORA PASSENGER VEHICLES EQUIPPED WITH A V8 (4.0L ) ENGINE, AND PONTIAC BONNEVILLE SSEI PASSENGER VEHICLES EQUIPPED WITH A SUPERCHARGED V6 (3.8L) ENGINE, THE FUEL TANK PRESSURE SENSORS ARE UNUSUALLY SUSCEPTIBLE TO MALFUNCTIONS. IF THE SENSOR MALFUNCTIONS, EXCESSIVE VACUUM CAN BE APPLIED DURING SELF-DIAGNOSTIC TESTING.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“DT*: THE CONTACT STATED WHILE DRIVING THE VEHICLE AT VARIOUS SPEEDS BETWEEN 5 TO 50 MPH THE ENGINE STALLED WITHOUT WARNING, THIS INCIDENT OCCURRED FOUR TIMES. THE VEHICLE HAS NOT BEEN TO THE DEALERSHIP TO BE INSPECTED. THE MANUFACTURER HAS NOT BEEN ALERTED. THE DEALER CORRECTED THE PROBLEM BY REPLACING THE BATTERY AND CRANKSHAFT SENSOR. UPDATED 02/21/06. *JB”
“2003 CADILLAC SEVILLE SLS. CONSUMER WRITES IN REGARDS TO RUSTED STABILIZER BAR BOLTS. *SMD THE CONSUMER STATED THE VEHICLE MADE A KNOCKING NOISE, WHEN HE MADE A LEFT OR RIGHT TURN. IT WAS DISCOVERED THAT ONE OF THE BOLTS HAD BROKE IN HALF. *JB”
“I DRIVING ON I-20 WEST GOING APPROXIMATELY 70 MPH WHEN RIGHT REAR TIRE BLEW. I STOPPED IN EMERGENCY LANE AND MY CAR WOULDN'T STAY CRANKED. THERE WERE 7 WIRES THAT WERE CUT IN HALF. I COULDN'T CRANK CAR BECAUSE THE WIRES WENT TO FUEL SYSTEM AND HAD TO HAVE CAR TOWED AND SOMEONE TRAVEL 3 HRS ONE WAY TO PICK ME UP.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Seville Auto 4-spd, 8 cyl, 4.6 L · Front-Wheel Drive | 16 | 25 | 19 | $3,300 | 468 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
1 safety recall as of Nov 10, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 27 complaints with NHTSA. The most-cited components are engine and engine cooling (5), suspension (4), structure (3). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2003 Cadillac Seville at 19 mpg combined, depending on engine and drivetrain (1 version rated).