Positioning:
Premium luxury sedan for the 2003 model year, competing with brands like Mercedes-Benz, BMW, and Lexus. The STS (Seville Touring Sedan) was the performance-oriented variant.
Competitors:
The 2003 Seville STS competed against models such as the Mercedes-Benz E-Class, BMW 5 Series, Lexus GS, and Audi A6.
Selling Points:
Powerful Northstar V8 engine, Magnetic Ride Control suspension, luxurious interior, advanced technology features for its era, comfortable and quiet ride, performance-oriented handling.
Powertrain:
Engine (Northstar V8, L37), Control System, Mechanical, Fuel Service, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging, Automatic Transmission (4T80-E)
Drivetrain:
Transfer Propeller Shaft, Drive Shaft, Differential, Axle
Chassis:
Suspension, Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering
Electrical & Electronics:
Air Conditioning, Supplemental Restraint System (SRS), Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Multiplex/CAN Communication, Electrical Systems
Body & Interior:
Exterior & Interior, Seat, Engine Hood/Door
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Diagnostics:
Troubleshooting procedures, diagnostic trouble codes (DTCs), electrical diagnostics
Repair:
Component removal and installation, system overhauls, component rebuilding
Technical Information:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications
Depth:
Factory-level detail, comprehensive coverage for technicians and advanced DIY enthusiasts
Compatibility:
Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac
Printable:
Yes, all pages are printable
Binding:
Digital (PDF), allowing selective printing
Paper Description:
N/A (Digital format, user prints on desired paper type)
Length:
Approx. 199.8 inches (5075 mm)
Width:
Approx. 71.4 inches (1813 mm)
Height:
Approx. 56.0 inches (1422 mm)
Wheelbase:
Approx. 109.9 inches (2791 mm)
Curb Weight:
Approx. 3,850 - 3,950 lbs (1746 - 1792 kg)
NHTSA Front Impact Driver:
5-Star (for 2003 model year)
NHTSA Front Impact Passenger:
5-Star (for 2003 model year)
IIHS Front Offset Crash:
Good (for 2003 model year)
Traction Control:
Standard
Stability Control:
StabiliTrak (standard on STS)
Airbags Front:
Dual front airbags
Airbags Side:
Front and rear side-impact airbags (optional/standard depending on sub-trim)
Seatbelts:
Front seatbelt pretensioners, rear seatbelt anchors
Infotainment System:
Delphi-based entertainment system with AM/FM stereo, CD player, optional Bose premium audio system, and available navigation system.
Adaptive Cruise Control:
Available (optional feature)
Parking Assist:
Available rear park assist (Ultrasonic Rear Park Assist)
Onstar:
Available, integrated into the infotainment system for emergency services, vehicle diagnostics, and remote access.
Magnetic Ride Control:
Standard on STS. This advanced suspension system uses magneto-rheological fluid in the dampers, allowing for near-instantaneous changes in damping force based on road conditions and driving input, providing a superior blend of comfort and handling.
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type. Consult manual for specific recommendations.
Tire Rotation:
Every 5,000-7,500 miles
Coolant Flush:
Refer to manual, often around 100,000 miles initially, then at intervals thereafter.
Engine Oil Type:
SAE 4W-50 Synthetic (API Service SG, SH, SJ or higher, ILSAC GF-2 or higher)
Engine Oil Capacity:
Approx. 4.5 quarts (4.3 liters) with filter change
Transmission Fluid Type:
Dexron III H / Dexron VI
Coolant Type:
Dex-Cool Extended Life (Orange)
Common Problems:
Water pump leaks (Northstar engine), intake manifold gaskets, electronic throttle control issues, starter motor failure (often integrated into engine), ABS/Traction control sensor failures, suspension component wear (especially bushings and struts due to Magnetic Ride Control).
Brand Description:
Cadillac, a division of General Motors, is one of America's oldest automobile brands, known for luxury, prestige, and innovation since its founding in 1902.
Seville Lineage:
The Seville nameplate has been a staple in Cadillac's lineup, representing the brand's entry into the luxury personal luxury car segment, evolving from the original front-wheel-drive compact sedan to the larger, more performance-oriented models of the late 90s and early 2000s.
Manufacturing Location:
Hamtramck, Michigan, USA (General Motors Detroit/Hamtramck Assembly Plant)
Production Years For Ninth Gen:
1998-2004
Car And Driver 10Best:
The 2000-2004 Cadillac DeVille (platform shared with Seville) was a multiple recipient of Car and Driver's 10Best list, highlighting its powertrain and refined driving experience.
Jd Power Initial Quality:
Cadillac generally performed well in J.D. Power Initial Quality studies in this era, with the Seville often receiving positive marks for its luxury appointments and features.
