2021 BMW 840i Convertible

Compact Sedan Premium
BMW 840i Convertible 2021
25MPG Combined
1 Trim
← 2020 2021 2022 →
Updated February 27, 2026

Looking at the 2021 BMW 840i Convertible? This Compact Sedan offers 25 combined MPG and comes with 1 available configurations. We break down the specs, safety data, and how it compares to the competition.

2021 BMW 840i Convertible Specifications

SpecValue
Combined MPG25 combined MPG
City MPG22
Highway MPG29
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2021 BMW 840i Convertible costs approximately $2,350 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

Compare the 2021 BMW 840i Convertible

See how it stacks up against similar vehicles:

Other Model Years

Check Vehicle History

Considering a used BMW 840i Convertible? Get a comprehensive vehicle history report including accident records, ownership history, and more.

🔍 Check BMW 840i Convertible Vehicle History Check VIN →
Check Vehicle History

Get the full story — accidents, ownership, recalls, odometer, and more. Decode any VIN instantly.

Check VIN
Buying a used BMW 840i Convertible? Check VIN on RedVIN