Fuel Economy Update for June - Just Getting Started - 2015 BMW M235i Convertible Long-Term Road Test

2015 BMW M235i Convertible Long-Term Road Test

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2015 BMW M235i: Fuel Economy Update for June - Just Getting Started

July 7, 2015

2015 BMW M235i

Our 2015 BMW M235i served light-duty commuting duties through most of June. No road trips, no track romps, no long-distance cruising (although we did pull a very good tank comprised of some long highway commutes). Instead we used it for the fairly blue-collar task of hauling new Mustang tires, driving the dog around (Mya was not impressed) and waxing on the really, really nice powertrain.

We still managed to add almost 1,600 miles though, and observed one tank that returned 25.5 mpg after 311 miles. That's our second best-fill so far and maybe a more legitimate result than the standing record of 25.7 mpg, achieved with just 123.6 trip miles back in April.

June is the first month we actually put some real miles on the car. We started driving it in April, but had fewer than 800 miles to report, even fewer in May. In the first two months, we averaged 17.5 mpg. Over eight tanks in June, we raised that to 20.6 mpg, which also bumped our lifetime average up to 18.6.

That's still well south of the combined EPA estimate, but we've got another 16,000 miles to see how the M235i truly performs.

Worst Fill MPG: 12.5
Best Fill MPG: 25.7
Average Lifetime MPG: 18.6
EPA MPG Rating: 25 Combined (21 city/32 highway)
Best Range: 311 miles
Current Odometer: 3,516

Dan Frio, Automotive Editor

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