Watch The Hardcore Mini JCW GP Hit The Dyno

Sports Cars / Comments

Find out how much power the Mini JCP GP really has.

The 2021 Mini John Cooper Works GP is the most hardcore and most powerful road car Mini has ever made, with a 2.0-liter turbocharged four-cylinder engine sending 302 horsepower and 332 lb-ft of torque to the front wheels through an eight-speed automatic transmission. That's 74 more hp than the regular John Cooper Works.

This setup enables the new Mini JCP GP to do the 0-62 mph sprint in 5.2 seconds and onto a top speed of 165 mph. We know it's a feisty car to tame, as one owner recently found out after accidentally flipping it over in their backyard. But is the new John Cooper Works GP as powerful as Mini claims? To find out, UK Tuning shop Evolve Automotive has hooked up Mini's new hardcore hatchback to the dyno.

Evolve Automotive
Evolve Automotive

In the past, BMW Group's power estimates have been very conservative. In some cases, dyno testing has revealed BMW Group's models to be much more powerful than advertised. The BMW M5 Competition, for example, produces 617 hp and 553 lb-ft of torque according to BMW's official figures, but dyno testing revealed the performance sedan generates nearly 700 hp at the crank.

Before being strapped to the dyno, Evolve's Mini JCW GP had clocked up around 700 miles on the clock and was given a thorough workout at a track day.

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Evolve Automotive
Evolve Automotive
Front View Driving Mini

After three runs, Evolve found that the Mini JCP GP's peak power output was 305 hp and 340 lb-ft of torque. That's slightly higher than the official specifications, but the result is very close to Mini's official claims. Impressively, the Mini JCP GP also produced more power on the dyno than the BMW M135i, which has the same engine and gearbox.

Despite having the same setup, the BMW M135i delivered just under 300 hp on the dyno. This isn't necessarily conclusive, however, as the BMW M135i may not have been running on the same fuel as the Mini JCW GP, but Evolve is keen to test the M135i again with the same fuel as the Mini to see how it compares.

Front View Driving Mini
Rear View Driving Mini
Front View Driving Mini

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