The **2018-2025 BMW 840d xDrive Coupe** revived BMW's iconic 8 Series as a grand touring flagship, pairing luxury with a potent 3.0-liter inline-six diesel producing 320 hp and massive 501 lb-ft torque. Reviews praise its effortless high-speed cruising, refined cabin technology, and surprisingly economical fuel consumption for a luxury coupe. The all-wheel-drive xDrive system delivers confident handling in varied conditions. Enthusiasts appreciate its blend of performance and efficiency, though some criticize its substantial weight and less engaging dynamics compared to sportier M models. It's famous for making long-distance travel supremely comfortable while maintaining BMW's sporting pedigree. **Ideal for:** Affluent buyers seeking a sophisticated grand tourer for highway commutes and continent-crossing journeys, particularly in Europe where diesel availability remains strong. Less suitable for North America, where diesel infrastructure is limited.
The BMW 840d xDrive features a complex diesel engine unavailable in North America, requiring specialized maintenance and expensive DEF fluid. Expect high costs for carbon cleaning, dual-turbo repairs, and xDrive system servicing. Insurance is premium-tier. European diesel reliability concerns include DPF/EGR issues. Parts are expensive and dealer-dependent, though major reliability issues are uncommon.
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