Yes—a V16 can fit transversely in a supercar. The Cizeta V16T is the documented example: its bespoke engine sits across the chassis, tilted 10 degrees forward, while twin crankshafts and gearing connect it to a longitudinally mounted ZF gearbox. The engine and gearbox point in different directions; that unusual arrangement is the key to understanding the car’s name and packaging.
What do transverse and longitudinal mean?
These terms describe orientation relative to the car’s direction of travel. A transverse engine sits across the vehicle, with its crankshaft axis broadly side to side. A longitudinal engine sits front to back. The terms describe the component’s orientation—not the number of cylinders—so a V16 is not inherently too large or unsuitable for transverse installation.
Whether an engine fits depends on the entire powertrain and chassis layout: engine dimensions, gearbox position, cooling, service access, passenger and luggage space, weight distribution, and the room required for aerodynamic features. The Cizeta shows that a transverse V16 is possible, but its bespoke design is not evidence that any V16 can be installed that way.
Was the Cizeta V16T engine really transverse?
Yes. Cizeta’s vehicle page describes the V16 as mounted transversely and inclined 10 degrees forward. The stated tilt was intended to help keep the centre of gravity low and mate the engine to the transaxle. Cizeta’s description of the V16T makes this a specific, documented layout rather than a guess based on the car’s name.
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The engine was purpose-built for the car. Cizeta describes an assembly with four cylinder heads, eight camshafts, 64 valves, two injection systems, four distributors, 16 spark plugs and two radiators. Its page reports 5,995 cc, 540 bhp at 8,000 rpm and 500 lb-ft at 6,000 rpm. Those are manufacturer-page figures, not independently verified test results.
How does a transverse engine drive a longitudinal gearbox?
The V16T does not simply bolt to a gearbox mounted in the same orientation. Cizeta describes twin crankshafts geared to a longitudinally mounted ZF gearbox. In other words, the engine lies across the car, but the gearbox runs front to back; gearing bridges the two orientations.
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This is a distinctive, complex powertrain arrangement, not a conventional transverse engine-and-transaxle package. The available description establishes the twin-crankshaft and gear connection, but does not provide enough detail to map every stage of the torque path or specify the components’ dimensions.
How does the Cizeta compare with a modern V16 layout?
The Bugatti Tourbillon is a useful contrast, not another transverse example. Bugatti describes its V16 as angled, longer and narrower than the W16 it replaces. The gearbox sits behind the engine, and electric motors drive the front wheels. Bugatti says the arrangement creates room for larger underbody Venturi tunnels. Its layout demonstrates that packaging choices are linked to the whole car, not just engine orientation.
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| Car or engine | Engine layout and scale | Gearbox or axle arrangement | What the source establishes |
|---|---|---|---|
| Cizeta V16T | Transverse V16, inclined 10 degrees forward; Cizeta reports 5,995 cc. | Twin crankshafts and gearing connect to a longitudinal ZF gearbox. | Cizeta’s page documents the transverse installation and reports the engine specifications. Cizeta |
| Bugatti Tourbillon | Angled V16; Bugatti describes it as longer and narrower than the preceding W16. | Gearbox behind the engine; electric motors drive the front wheels. | Bugatti links the packaging to space for larger underbody Venturi tunnels. Bugatti Newsroom |
| Cosworth-developed Tourbillon engine | Cosworth reports 8.35 litres, 252 kg and an engine length just under 1 metre; the crankshaft is 900 mm long. | Not stated in Cosworth’s engine announcement. | Cosworth’s 2024 figures illustrate the scale of this engine; they do not establish that it could be transplanted into the Cizeta layout. Cosworth |
The comparison is about different packaging choices, not a matched test. The sources do not provide comparable chassis measurements, so they cannot show which layout is smaller overall or prove that one is easier to service, cool or balance. As Bugatti Rimac CEO Mate Rimac puts it, “When you develop a car, especially from scratch, you can never look at a single component individually without taking the whole context of the car into account.” Bugatti’s packaging explanation
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why don’t more supercars use transverse V16 engines?
The Cizeta demonstrates feasibility, not simplicity. A transverse V16 installation has to account for the engine’s width, the gearbox’s orientation and the hardware connecting them, alongside cooling, access for maintenance and space for the rest of the car. Depending on the design, the chosen layout may also affect weight distribution and the space available for passengers, luggage or aerodynamic channels. These are engineering considerations inferred from the documented layouts; there is no matched chassis study here that quantifies the trade-offs.
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Nor does cylinder count by itself establish speed or packaging advantage. A V16’s performance depends on the complete vehicle and powertrain, while fitting it depends on dimensions, orientation and how the gearbox and other systems are arranged. The Cizeta’s bespoke solution is an answer to “can it fit?”—not a general recipe for building a supercar.
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