MINI Aceman Dimensions: How It Compares to the Cooper and Countryman

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For now, the MINI Aceman is not coming to North America. That simple fact has made it easy for US and Canadian enthusiasts to shrug and scroll past the headlines. Electric only. Built in China. A Europe and Asia play. Interesting, sure, but not relevant. That assumption is increasingly looking shortsighted.

As we explored in Why MINI’s Next Big Pivot Could Be a Gas Powered Aceman on MotoringFile, there are credible signs that MINI is evaluating a combustion powered Aceman for broader global markets. If that happens, the Aceman is no longer a regional curiosity. It becomes the missing piece in North America’s lineup, the car that slots precisely between the Cooper and the ever growing Countryman.

Which makes now the right time to take it seriously.

Because when you look at its size, positioning and intent, the Aceman is less an oddity and more a potential reset button for what a MINI crossover should be.

The Car That Rebalances the Range

The MINI Aceman sits between the Cooper and the Countryman, at least on paper. In practice, it represents something more nuanced.

As detailed in The MINI Aceman: New Details and Photos Answer Your Questions and MINI Aceman In Depth: Size, Cost, Range and Where It Will Be Sold on MotoringFile, the Aceman is built on the Spotlight EV architecture and offered in E and SE forms, with output ranging from roughly 184 horsepower to over 215 horsepower. The Aceman JCW pushes performance further, marking MINI’s first true electric performance crossover.

But numbers only tell part of the story. The bigger question is scale.

Comparison: Aceman vs Other Four Door MINIs

The original MINI Countryman was controversial at launch. Too big, said purists. Too practical, said everyone else.

The Aceman is just 18 mm shorter than the R60 and rides on an 11 mm longer wheelbase. It is narrower and lower, but in footprint, it is almost a perfect echo of MINI’s first crossover experiment. In other words, the Aceman is roughly the size of the Countryman that North America once embraced as daring but acceptable.

Models	J05 Aceman SE / ELECTRIC  (’24-’31)	F65 Cooper 5 Door / PETROL (’25-‘32)	R60 Countryman All4 S / PETROL (’10-’16)	F60 Countryman  All4 S / PETROL  (’17-’23)	U25 Countryman  SE / ELECTRIC (’24-’32)
Length	4079 mm / 161 in	4,036 mm (158.9 in)	4097 mm / 161.3 in	4298 mm / 169.2 in	4429 mm / 174.37 in
Height	1514 mm / 59.6 in	142.5 mm / 56.1 in	1562 mm / 61.5 in	1557 mm / 61.3 in	1613 mm / 63.5 in
Wheelbase	2526 mm / 99.44 in	2567 mm / 101 in	2596 mm / 102.2 in	2670 mm / 105.1 in	2692 mm / 106 in
Weight	1710 kg / 3,770 lbs	1355 kg / 2987 lbs	1455 kg / 3208 lbs	1605 kg / 3538 lbs	2075 kg / 4,574 lbs

The second generation MINI Countryman grew decisively. Compared to the Aceman, the F60 is 220 mm longer and 68 mm wider. Its wheelbase stretches 64 mm further.

The F60 moved MINI firmly into mainstream compact SUV territory. It was roomier, more refined, and far more conventional. It sold well in North America precisely because of that.

Back to front: the original R60, F60 and current U25 Countryman

The Aceman pulls back from that expansion. It is more urban, more tightly packaged, more aligned with the brand’s historic footprint discipline.

The current and third Generation Countryman (U25) Countryman is the largest yet and creates an even greater contrast in size. The U25 is 365 mm longer than the Aceman and nearly 150 mm taller. Its presence is substantial, its mission global and family focused.This is no longer a niche MINI. It is a full fledged compact SUV. And that creates the perfect space for the Aceman to fill.

Why MINI Going Small is a Big Deal

If MINI introduces a gas powered Aceman for global markets, as our reporting over the past year suggests, it would land in North America at almost exactly the size of the original Countryman. Not the current U25, but the R60 that once felt daring yet still unmistakably MINI. That alone reshapes how we should be thinking about this car.

A combustion Aceman would neatly fill the widening gap between the Cooper 4 Door and the increasingly substantial U25 Countryman. It would give MINI dealers a more accessible crossover, one that prioritizes urban maneuverability and brand character over sheer interior volume. For buyers who find the new Countryman a bit too grown up, a bit too large, the Aceman could feel like a return to proportion discipline.

More importantly, it would signal that MINI recognizes the tension in its own lineup. The brand has chased space and mainstream acceptance with each Countryman generation. The Aceman suggests a recalibration, a reminder that utility does not have to mean expansion. For North America, that could translate into a crossover that feels engineered around MINI’s identity first and market trends second.

Today the Aceman is an electric crossover sold elsewhere. Tomorrow, if the pivot happens, it could become the most strategically important vehicle in MINI’s North American portfolio.

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