The M340i was the first M Performance version of the 3 Series, arriving with the G20 generation and a 382-hp B58 inline-six. With an M Sport differential and near-M3 pace in a package that draws no attention, it revived the spirit of the great understated BMW sedans.
Specifications
| Year | 2021 |
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| Make | BMW |
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| Model | M340i |
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| Engine | 3.0L 6-cylinder |
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| Horsepower | 382 hp |
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| Torque | 369 lb-ft |
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| 0-60 mph | 4.4 sec |
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| Top Speed | 155 mph |
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| Transmission | Automatic (S8) |
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| Drivetrain | RWD |
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| Fuel | Premium Gasoline |
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| EPA MPG (City/Hwy) | 23 / 32 |
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| Original MSRP | $54,000 |
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BMW M340i by year