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The Spectre’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Celestiq doesn’t offer a driver alert monitor.
The Spectre has standard Rolls Royce Assist, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Celestiq doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the Spectre and the Celestiq have standard driver and passenger frontal airbags, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.
The Rolls-Royce Spectre weighs 443 pounds more than the Cadillac Celestiq. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts.
