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SGT Automobili creates Alfa Romeo 155 V6 TI DTM ’55-SGT’, 2.9TT V6

If you’ve spent the last three decades pining for the boxy, championship-winning absurdity of the 1993 Alfa Romeo 155 V6 TI DTM, an Italian startup is finally ready to take your money. SGT Automobili has pulled the covers off the 55-SGT, a hardcore coach-built tribute that pairs the unmistakable silhouette of Alfa’s legendary touring car with the mechanical guts of a modern Giulia Quadrifoglio.

While it might look like a heavily massaged 1990s relic, this is not a traditional restomod. SGT has entirely discarded the factory Alfa bodywork, replacing every single exterior panel with a bespoke blend of carbon-fibre, Kevlar, and carbotitanium – the same exotic composite favoured by Pagani. The visual transformation is absolute, adopting the aggressive, squared-off aerodynamic profile, massive fixed rear wing, and white centre-lock racing wheels that defined the original DTM conqueror.

SGT Automobili Alfa Romeo 155 V6 TI DTM 55-SGT - rear wing

Visually, the vehicle retains the aesthetic of a four-door sedan, but the physical reality is significantly more uncompromising. SGT has effectively converted the platform into a two-seater, sealing the rear doors and discarding the rear cabin entirely in favour of a structural roll cage, an integrated fire extinguisher, and carbon fibre bucket seats. Thanks to the heavy use of exotic materials, the standard ‘Stradale’ specification tips the scales at 1590kg, while the track-focused ‘Trofeo’ variant sheds another 100kg to achieve a 1490kg kerb weight.

Under the skin, the donor vehicle’s Ferrari-derived 2.9-litre twin-turbo V6 remains, but the output has been wound up. In the Stradale configuration, the V6 produces 450kW. Opt for the flagship Trofeo trim, and SGT pushes the mechanical power to a staggering 544kW and 800Nm of torque.

SGT Automobili Alfa Romeo 155 V6 TI DTM 55-SGT - interior

Crucially, SGT has ditched the standard Giulia’s rear-drive layout. To properly emulate the all-wheel drive traction that made the original 155 so devastating on track, the 55-SGT integrates a custom AWD system with a self-locking centre differential and torque vectoring. The setup routes power through a reinforced eight-speed automatic transmission, though drivers can manually adjust the torque split or engage a dedicated drift mode that sends 100 per cent of the output exclusively to the rear axle.

The production run is strictly limited to just 55 units globally. Ten of these will be reserved as ‘Opening Edition’ models, carrying an eye-watering base price of approximately €500,000 (AU$825,000). Naturally, that astronomical figure does not include the cost of the donor Giulia Quadrifoglio required to actually build the thing.

Mitchell Jones

Mitchell brings over a decade of automotive journalism to Driving Enthusiast, backed by an extensive, hands-on background in the wider automotive industry. Whether he's testing the limits of a space-age EV, advocating for the survival of tactile, analogue interiors, or digging deep into the rich lore of classic Australian motoring, his passion is all-encompassing. Following a ten-year stint at PerformanceDrive, Mitchell now channels his meticulous obsession with automotive history, obscure facts, and "what-if" design realities into his reviews and features.
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