Cadillac De Ville 1997–1999 car dimensions: 5326 mm long, 1943 mm wide and 1433 mm high. Unladen weight is 1,838 kg. Braked towing is 1,361 kg.
Dual-zone automatic climate control is standard, with electronic controls and solar sensor for consistent cabin temperature. Cruise control is standard. Front side airbags, ABS, and traction control come standard. StabiliTrak is standard on Concours and optional on other trims. OnStar is available as a dealer option. Power seats and a driver information center are fitted.
Trunk volume is 566 liters with the seats in place. Storage dividers are available.
Base towing is limited to 450 kg. An optional trailer towing package raises the braked limit to 1361 kg and includes a transmission oil cooler. this cooler is standard on the Concours. Gross combined weight must stay under the stated limit.
The cabin is roomy for five or six with supportive power front seats that include lumbar adjustment on higher trims. Dual-zone automatic climate control keeps temperatures even. Optional heated front seats warm quickly. An acoustic headliner and sound-absorbing materials keep the interior quiet on the highway. Leather is available or standard depending on trim, and a power moonroof can be added for open-air feel.
Fuel economy rated 15 city/24 highway mpg on premium gasoline.
Standard dual front airbags plus front side airbags.
Four-wheel ABS and traction control standard.
NHTSA front crash ratings 4 stars for driver and passenger.
Oil life monitoring system standard.
StabiliTrak stability control standard on Concours.
The Northstar V8 runs on premium fuel and delivers the stated EPA figures of 15 mpg city and 24 mpg highway. Real-world highway runs can exceed 20 mpg when driven gently.
An oil-life indicator helps time oil changes based on actual use rather than a fixed mileage. Long-life coolant is designed for extended service. Routine checks of fluids and the stainless exhaust keep the car reliable.
Safety equipment includes dual front airbags, door-mounted front side airbags, four-wheel disc brakes with ABS, and full-range traction control. Concours models add StabiliTrak. NHTSA tested the car at 4 stars in frontal impacts for both driver and passenger positions.
The big sedan rewards careful maintenance of the Northstar engine and electronic systems. Keep the battery healthy for the many power accessories and store the car properly in winter climates to preserve the body and interior.
Length 5326 mm, Width 1943 mm, Height 1433 mm, Wheelbase 2891 mm (De Ville 1997–1999)
Sources: manufacturer data, amazingclassiccars.com 1997 DeVille history, KBB/Cars.com/conceptcarz/CarGurus.