2023 Maturo Stradale, a new restomod of the Lancia Delta Integrale

2023 Maturo Stradale, a new restomod of the Lancia Delta Integrale

Lancia Integrale’s evolution — Group A thrills in a road-going Delta – that’s the promise of a new restomod.

This is the Maturo Stradale, a new restomod of the Lancia Delta Integrale that promises the ferocious performance and excitement of a Group A Delta rally car inside a road car-style body. Maturo Competition Cars is a Dutch restoration company that’s been working on reimagined Deltas for the last five years or so, joining its main business of refurbishing both Lancias and other period rally cars with new or heavily restored elements in both road-going and competition forms. The new Stradale aims to bridge the gap between its existing road car and Group A models, with a run of ten examples on the cards.

2023 Maturo Stradale, a new restomod of the Lancia Delta Integrale

Each is built from an existing 16v Integrale chassis, stripped back to bare metal and strengthened with over 250 new weld points to increase structural rigidity. From here the chassis is sand-blasted and primered and a custom-made integrated roll-cage is secured in place, further stiffening the structure. Maturo then fits a totally bespoke carbonfibre interpretation of an original Delta Group A body, with only the most subtle of new additions mounted to the lower front splitter and rear wing. The composite body itself saves around 50kg, contributing to a total weight saving of 140kg compared to a Delta Evo road car, at a projected 1190kg.

Under the carbon bonnet, the Integrale’s Lampredi twin-cam 2.0-litre four gets a new cylinder head, camshafts, pistons, connecting rods, injectors and valves and a rebuilt turbo. The turbo housing is original, but it too has new internals, including the fitment of roller bearings. The intake has also been modified, supporting both a big increase in peak boost pressures (1.8bar, up from 1.2) and spool time. Maturo quotes target figures of over 380bhp and 405lb ft of torque.

The drivetrain has received equal attention, with the five-speed manual gearbox strengthened to cope with the higher engine outputs. An optional dog-leg straight-cut ’box is also offered, compromising low-speed usability for lightning-fast Group A-like gearshifts. The 4WD system features limited-slip differentials on both front and rear axles. The brakes are straight from a Group A car, utilising a non-hydraulically powered system with competition-spec calipers working on 330mm (front) and 282mm (rear) discs, complete with a flyoff handbrake. The discs sit behind original 17-inch EVO Corse forged alloy wheels.

As standard, there are four-way adjustable dampers and coil springs at each corner, combined with a hydraulic system that facilitates a variable ride height. There are three settings to select from, with Rally, Race and Highway modes, each combining a different combination of ride height and damper firmness.

Inside, the cockpit is retrimmed and refinished with new elements around the dash, door cards and centre console. Carbonfibre Sparco bucket seats are standard fit up front, with the option to either delete or retain the rear seats. Upgraded materials include carbon, titanium, anodised aluminium, leather and Alcantara.

Final testing will commence before the end of this year, with orders being taken from that point onwards, when the price will be confirmed.

Above and below: reworked cabin takes elements of both road and competition cars; bodywork is fully carbonfibre – panel fit is light years ahead of original and composite body saves around 50kg over standard car.

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