BMW 3 Series 320d MPG: real-world figures (2019–2024)
The BMW 3 Series 320d returns 49 mpg in real-world UK driving, against an official WLTP figure of 60 mpg — a gap of 11.0 mpg.
Real-world MPG figures
- Real-world MPG: 49 mpg
- Official WLTP MPG: 60 mpg
- CO₂: 124 g/km
- Indicative annual fuel cost (10,000 mi @ 145p/L): £1,345
- Cost per mile (fuel only): 0.13p
At a typical 10,000 miles per year and current UK pump prices around 145p per litre, expect to spend roughly £1,345 on fuel — about 112 pounds a month.