2018 BMW 340i xDrive Gran Turismo
23MPG
Combined
1
Trim
Updated February 27, 2026
Get the full picture on the 2018 BMW 340i xDrive Gran Turismo. As a Full-Size 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.
2018 BMW 340i xDrive Gran Turismo Specifications
| Spec | Value |
|---|---|
| Combined MPG | 23 combined MPG |
| City MPG | 20 |
| Highway MPG | 29 |
| Body Style | Full-Size Sedan |
| Fuel Type | Premium |
| Drive | AWD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2018 BMW 340i xDrive Gran Turismo costs approximately $2,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
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