There is a car produced by Suzuki between 1991 and 1997 that weighs 700kg, has a 657cc turbocharged three-cylinder engine producing around 63 PS (the kei car limit), and somehow manages to be one of the most entertaining driving experiences money can buy. The Suzuki Cappuccino EA11R makes no logical sense on paper and absolute perfect sense the moment you start driving it.

The kei car regulations that define it are uniquely Japanese: maximum engine displacement of 660cc, maximum power of 47kW (64 PS), maximum length of 3.4m, maximum width of 1.48m. These rules create a category of vehicle that exists nowhere else in the world, and within those constraints, some Japanese engineers have produced machines of extraordinary capability relative to their size.

Why 700kg Changes Everything

Power-to-weight ratio is the number that matters for driving performance, not absolute power. The Cappuccino's 63 PS driving a 700kg car produces a power-to-weight ratio of 90 PS per tonne. A stock BMW 3 Series of the same era produces around 85 PS per tonne. The Cappuccino, by this measure, is a faster car than the BMW it shares a traffic light with.

But raw acceleration numbers miss the point. The Cappuccino weighs so little that the physics of driving it feel fundamentally different from any heavier car. Braking distances are tiny. Direction changes are immediate. The tiny wheels and short wheelbase create a feedback loop between driver inputs and car behaviour that feels like the car is an extension of your nervous system rather than a machine you're operating from inside.

The front-engine, rear-wheel drive layout is the correct setup for driver enjoyment. The rear tyres are 165/60R13 — tiny by any modern standard. Under hard acceleration from a corner, the rear steps out controllably, at very manageable speeds, in a way that teaches you car control without the penalty of high-speed consequences. Every professional driver should spend time in a Cappuccino. It teaches more about car dynamics than a simulator can.

The Engineering Inside the Small Package

The F6A engine is a 657cc DOHC twelve-valve three-cylinder with a single IHI turbocharger. Suzuki found 63 PS from this engine in the late 1980s by using quality engineering rather than displacement. The turbo is small enough to spool quickly, providing most of its boost by 3,000 rpm. The DOHC head breathes efficiently for the displacement.

The EA11R uses a five-speed manual gearbox connected to a limited-slip differential. The LSD is standard on the Cappuccino because without it, lifting a rear inside wheel through a corner with this little weight over it would make the car undriveable at any real pace. With it, the Cappuccino can be driven through corners cleanly and progressively.

The convertible roof system is genuinely clever: three panels can be removed in combinations to create a full open-top car, a T-bar configuration, or a targa arrangement. Each panel stores in the boot (which is small, but sufficient for the three roof panels and not much else).

Modification Potential

The Cappuccino has a dedicated tuning scene in Japan, where kei car performance is taken seriously. Power upgrades within the kei limits are available from Suzuki's own aftermarket division — improving throttle response, exhaust flow, and ignition management. Going beyond the kei limits into full engine replacement territory is also done, with some builds running larger displacement engines (typically from the Suzuki Jimny or Vitara range) for significant power increases.

Suspension modification is the most rewarding area. Lowering springs and upgraded dampers dramatically improve cornering performance because the factory suspension is tuned for comfort and compliance with the kei regulations. A modest suspension upgrade on a Cappuccino transforms it into a genuine track weapon — light, balanced, and fast in a way that embarrasses cars costing five times as much on a technical circuit.

Why You Should Import One

The Cappuccino became legal for US import in 2016 and 2017 (depending on production year). Prices have risen from the very low levels they were at initially, but clean examples remain affordable relative to their entertainment value. These are not expensive cars.

Running costs are kei car levels — minimal. The F6A engine sips fuel. Tyres are cheap because they're tiny. Insurance is low because values are low. The Cappuccino is the car that proves you don't need to spend serious money to have serious fun. Find one, buy one, and go find the smallest, twistiest road you know. You'll understand immediately.