Petrol · 2016–2020
BMW 340I
MPG, running costs and specs for the BMW 340I. By the official figures, the 2020 gets 33 mpg, about £1,670 a year in the UK.
- MPG
- 33 mpg
- 2020 official · 8.5 L/100km
- A year's petrol
- £1,670
- at today's prices in the UK
- On a full tank
- 417 miles
- 57 L tank
- Seats
- 5
What a 340I costs to run
At today's average petrol prices, by its official fuel use, the UK first.
| Country | Average price today | Cost to drive | A typical year |
|---|---|---|---|
| United Kingdom | £1.74/L petrol | £23.86 per 100 miles | £1,670 |
| New Zealand | $2.94/L petrol | $24.99 per 100 km | $2,749 |
| Australia | $2.41/L petrol | $20.52 per 100 km | $2,278 |
| United States | $4.35/gal petrol | $15.73 per 100 miles | $2,124 |
A typical year: New Zealand 11,000 km (Ministry of Transport's average for a light vehicle); Australia 11,100 km (ABS Survey of Motor Vehicle Use average); United Kingdom 11,265 km (DfT National Travel Survey average of about 7,000 miles); United States 21,726 km (FHWA average of about 13,500 miles). Real costs depend on how and where you drive. Work out a particular trip.
F30 (6th generation 3 Series), 2015–2019
Specs for the 340i 3.0 turbo; other versions differ a little.
About
- Body
- Sedan
- Size class
- Medium
- Generation
- F30 (6th generation 3 Series)
- Built
- 2015-2019
- Seats
- 5
- Doors
- 4
- Drive
- RWD
Size and weight
- Length
- 4,709 mm
- Width
- 1,811 mm
- Height
- 1,429 mm
- Wheelbase
- 2,810 mm
- Kerb weight
- 1,595 kg
- Boot
- 480 L
Engine
- Engine
- 3.0 L 6-cylinder turbo petrol
- Engine size
- 2,998 cc
- Cylinders
- 6
- Aspiration
- Turbo
- Power
- 240 kW
- Torque
- 450 Nm
- Gearbox
- 8-speed automatic
Economy
- Fuel use (combined)
- 7.4 L/100km
- CO₂
- 169 g/km
- Fuel tank
- 57 L
- Minimum petrol
- 95 RON
Safety
- Euro NCAP
- ★★★★★
- Euro NCAP tested
- 2012
Official figures by year
From the US EPA, the UK's DfT and NZTA, newest first.
| Year | Fuel | Uses | UK | US | Range |
|---|---|---|---|---|---|
| 2020 | Petrol | 8.5 L/100km | 33 mpg | 28 mpg | — |
| 2017 | Petrol | 7.2 L/100km | 39 mpg | 33 mpg | — |
| 2016 | Petrol | 7.4 L/100km | 38 mpg | 32 mpg | — |
BMW 340I questions
What MPG does the BMW 340I get?
The 2020 BMW 340I gets 33 mpg in UK gallons by its official figures (8.5 L/100km). Each year's figures are listed below.
How much does a BMW 340I cost to run a year in the UK?
About £1,670 a year at today's average petrol price of £1.74/L and a typical year's driving in the UK.
How far does a BMW 340I go on a full tank?
About 417 miles (671 km) from its 57 L tank at its official fuel use.
How big is the BMW 340I's boot?
480 L, for the 340i 3.0 turbo.
Cars like the 340I
From other makes, closest in what they use.
More from BMW
Every BMW
What will a drive in your 340I cost?
Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and splits it between everyone in the car.
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