Cadillac has a new one-of-one CELESTIQ headed to Monterey Car Week. Called Night Test, the commission leans hard into dark finishes and a specific aesthetic thesis: the idea that performance happens quietly, away from cameras, before anyone is watching. Whether that concept lands as meaningful or merely poetic is a matter of taste, but the physical execution is concrete enough to evaluate on its own terms.
The exterior is finished in Caspia Tricoat Metallic, a high-gloss coat that Cadillac describes as evoking solitude. The more specific visual move is the Jade lighting bezel up front, which frames the headlamps in a dark finish that diffuses rather than reflects light — a subtle contrast that most people will register subliminally before they can name it. Twenty-three-inch wheels in a dark reverse-rim finish carry Jade-finish accents, tying the front and flank together without being obvious about it.
Inside, the color story tightens considerably. Backen Black and Sheer Gray leather cover the seating surfaces, while carbon fiber and brushed metal details fill the cabin. The material combination reads as purposefully austere for a vehicle in this price category, which is precisely the point Cadillac is making. A CELESTIQ can be restrained without being anonymous — Night Test is Cadillac’s demonstration of that particular skill.
Like every CELESTIQ, Night Test was hand-assembled at the Cadillac Artisan Center in Warren, Michigan, using what GM describes as an individually curated palette of colors, materials, and finishes. The Artisan Center builds no more than 250 units per year across the entire CELESTIQ program. Close to 25 of those were sold through May 2025, which puts the production volume and the buyer profile in sharp perspective: this is a vehicle assembled in genuinely small numbers for buyers operating at the Rolls-Royce and Bentley tier of the market, not the segment occupied by the BMW 7 Series or Mercedes-Benz S-Class.
Night Test makes its public debut at The Quail, A Motorsports Gathering, the event that routinely draws the kind of clientele who might actually commission one. That venue choice is deliberate — The Quail is where decisions about bespoke vehicles are made over conversation, not over a dealer’s desk.
Cadillac has not disclosed a price for the Night Test commission specifically, nor would it. Each CELESTIQ is priced individually based on the specification, and Cadillac does not publish a public starting MSRP for the model. Interested buyers are directed to request information through Cadillac’s channels. What Night Test actually represents to Cadillac, beyond one carefully considered automobile, is a proof of concept for the bespoke process itself. Every one-of-one commission shown publicly argues that the Artisan Center’s palette is wide enough to produce coherent results at either extreme — maximum drama or, as in this case, maximum restraint.
At 250 units per year maximum, Cadillac does not need Night Test to move metal. It needs it to move conversation. At Monterey, it probably will.
Cadillac CELESTIQ Night Test Photo Gallery
Source: Cadillac. Images courtesy of Cadillac.
