2017 BMW 640i Convertible

Compact Sedan Premium
BMW 640i Convertible 2017
23MPG Combined
1 Trim
← 2016 2017 2018 →
Updated February 27, 2026

The 2017 BMW 640i Convertible Compact Sedan provides 23 combined MPG. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2017 BMW 640i Convertible Specifications

SpecValue
Combined MPG23 combined MPG
City MPG20
Highway MPG29
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2017 BMW 640i Convertible costs approximately $2,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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