2020 BMW 840i xDrive Convertible

Compact Sedan Premium
BMW 840i xDrive Convertible 2020
23MPG Combined
1 Trim
2020 2021 →
Updated February 27, 2026

Get the full picture on the 2020 BMW 840i xDrive Convertible. As a Compact Sedan, it achieves 23 combined MPG and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2020 BMW 840i xDrive Convertible Specifications

SpecValue
Combined MPG23 combined MPG
City MPG20
Highway MPG27
Body StyleCompact Sedan
Fuel TypePremium
DriveAWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2020 BMW 840i xDrive Convertible costs approximately $2,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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