Aeternum ADx (1998-2003)
Nakatani Auto Museum Entry #001
INTRODUCTION
A 1998 example in pearl two-tone
On occasion, we will pull a model on display at our auto museum for an online feature. Starting it off is the Aeternum ADx, the luxury marque’s first SUV. Intended to compete with other luxury SUVs, the ADx was made available in 1998 to honor the brand’s tenth anniversary - in fact, ADx means “Aeternum Decade Crossover”. It sold well in the beginning, exceeding sales targets. Sales quickly fell off in the 2000s as the ADx got overshadowed by larger, more powerful SUVs, causing it to be prematurely discontinued in 2003. The ADx started at $33000 in 1998, or about $57000 today.
UNDERPINNINGS

The ADx was intended to be a luxury SUV fit for any environment, be it city streets or the roads less traveled. For durability, a body-on-frame platform was chosen. The engine was longitudinally mounted, with 4x4 and an automatic locker coming standard. Suspension was an advanced double wishbone front, multi-link rear setup, tuned for comfort. The underpinnings lent the ADx somewhat serious off-roading credentials, with the SUV recently appreciating in value as the availability of 90s Starcruisers dwindles.
PERFORMANCE
Yes, it’s the same 3.5 that’s in the Zenith, minus the extensive modernization
Being a large, body-on-frame SUV, the ADx was not designed for cornering. However, thanks to its underpinnings, it was exceptional off-road. The soft suspension and automatic locker allowed effortless driving over rough terrain. Of course, most owners never took theirs off-road, only buying them to comfortably drive over potholes and neglected infrastructure. Chosen for its near lack of vibration, Nakatani’s 3.5L V6 was the only engine option, mated to a five-speed automatic transmission. The ADx accelerated from 0-60 in an impressive 8.2 seconds, getting a not-so-impressive 20 MPG highway and 16 MPG city. That being said, if you were buying one of these new, you probably didn’t care too much about fuel costs.
FEATURES & INTERIOR

I didn’t feel like fully modeling the interior
Befitting of a luxury SUV, the ADx was generously filled with gathered leather, genuine wood trim, and soft-touch plastics. The SUV was relatively ahead of its time, including optional touchscreen navigation, automatic dual-zone climate control, and even radar cruise control. Of course, radar cruise control was only advised to be used in clear weather due to the technology’s infancy. Heated seats came standard, with heated and ventilated seats being introduced as an option in 2001. While more features were planned to be included, such as auto-leveling headlights and massaging seats, the ADx died a premature death in 2003. The A6x and A9x, its successors, would inherit its innovations.
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