4 Minutes
Iconic luxury SUV gets an aggressive aftermarket makeover
A Rolls-Royce Cullinan Series II has been transformed into a far more aggressive-looking machine, and the images shared by tuning houses on Instagram have turned heads across the luxury car community. This widebody conversion takes the famously restrained British SUV and amplifies its road presence until it resembles an exotic crossover ready to mix it up with performance-focused rivals.
What changed visually?
The most obvious updates are cosmetic but extensive: a full widebody kit stretches the fenders, while pronounced side skirts and modified lower bumper elements sharpen the Cullinan's silhouette. Additional daytime running lights were integrated into a reworked front apron, and the rear receives a four-fin diffuser plus bespoke add-ons around the bumper. A chrome-delete treatment, replacing brightwork with black trim, helps the matte-gray finish read sportier and more modern.
Highlights:
- Widebody fender flares and side skirt extensions
- Modified front bumper with extra DRLs and apron
- Four-fin rear diffuser and rear bumper attachments
- Multi-spoke aftermarket wheels with thin, low-profile tires
- Blacked-out trim package for a stealthy look

Ride, feel and engineering trade-offs
Lowering the Cullinan and fitting smaller-profile tires give it a planted, athletic stance, but the trade-off is a firmer, less cushioned ride. The Cullinan Series II shares architecture and many components with Rolls-Royce’s modern family — from the Spectre EV’s quiet refinement to the Ghost and Phantom — yet this conversion leans into a different character: visual drama over the brand’s classic float.
That said, upscale tuners have found a niche turning ultra-luxury SUVs into more extroverted statements. For wealthy buyers who want presence and visual intimidation as much as Rolls-Royce opulence, these conversions land perfectly.

Performance basics — has the power changed?
Under the hood, the Cullinan Series II typically retains its twin-turbo 6.75-liter V12. In standard spec that V12 is rated around 562 bhp (≈419 kW) with roughly 627 lb-ft (≈850 Nm) of torque. Rolls-Royce’s Black Badge treatment pushes output further — about 592 bhp (≈442 kW) and 664 lb-ft (≈900 Nm) — helping the SUV sprint to 62 mph (100 km/h) in just over four seconds. Unless the tuner also modifies engine and drivetrain components, most widebody kits are visual and chassis-focused rather than power-upgrading.
How does it compare to rival performance SUVs?
Visually, this Cullinan now looks prepared to stand alongside sportier luxury SUVs such as the Aston Martin DBX S, Ferrari Purosangue and Lamborghini Urus. In straight-line performance and track capability, though, factory performance models — and especially those with bespoke power and chassis tuning — will generally maintain the advantage. What the modified Cullinan gains is presence: it signals intent without abandoning Rolls-Royce’s signature refinement.

"Not every Cullinan owner wants a disguise — but for those who do, the aftermarket offers bold results," says a tuner source familiar with recent projects.
Market and appeal
This kind of conversion won’t suit purists who prize factory authenticity and the trademark Rolls-Royce ride. But among buyers who prioritize individuality and dramatic curb appeal, a widebody Cullinan represents a growing subtrend: ultra-luxury vehicles reimagined with aggressive styling cues. Whether displayed on social feeds or driven to exclusive events, these modified Cullinans carve out a distinctive niche between luxury and performance.

Are you a fan of the look? For some it’s sacrilege; for others it’s exactly the kind of flamboyance a billionaire buyer expects.
Source: autoevolution
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