Parkers overall rating: 4.1 out of 5 4.1

Miles per pound (mpp) Miles per pound (mpp)

Petrol engines 5.9 - 9.6 mpp
Diesel engines 8.5 - 11.1 mpp
Low figures relate to the least economical version; high to the most economical. Based on WLTP combined fuel economy for versions of this car made since September 2017 only, and typical current fuel or electricity costs.

Fuel economy

Petrol engines 34.9 - 56.5 mpg
Diesel engines 51.4 - 67.3 mpg
  • Frugal petrol and diesel engines
  • Cheap servicing
  • Mild hybrid tech on 1.0-litre petrols

How much is it going to cost to run?

Without a hybrid or electric version in the line-up, the running costs of the Focus will take a hit when compared with rivals featuring a more versatile line-up – such as the Volkswagen Golf.

A mild hybrid system (mHEV) was fitted in 2020 to the 1.0-litre petrol engines, using a small amount of stored energy to electrically assist the engine at low speeds. This removes some of the strain from the petrol unit and can reduce fuel consumption by a small amount. This also has regenerative braking to reclaim electrical energy as you slow down and activates the stop-start system sooner.

In what Ford claims is an industry first on three-cylinder motors, the EcoBoost units also come with cylinder deactivation technology designed to reduce fuel consumption and CO2 emissions by automatically shutting down one of the cylinders when the engine is not required to work hard.

MPG and CO2

If you’re after the lowest running costs from a petrol-powered Ford Focus then your best bet is the 125hp 1.0-litre model with mild hybrid technology.

  • 1.0-litre EcoBoost 125: 50.4-51.4mpg,125-127g/km CO2
  • 1.0-litre EcoBoost 125 auto: 44.1-47.9mpg,134-144g/km CO2
  • 1.0-litre EcoBoost mHEV 125: 52.3-56.5mpg,114-124g/km CO2
  • 1.0-litre EcoBoost mHEV 155: 51.4-55.4mpg,116-125g/km CO2
  • 1.5-litre EcoBlue diesel: 62.8-67.3mpg, 111-119g/km CO2
  • 1.5-litre EcoBlue diesel auto: 56.5-61.4mpg, 121-130g/km CO2
  • 2.0-litre EcoBlue diesel: 57.6-61.4mpg, 121-129g/km CO2
  • 2.0-litre EcoBlue diesel auto: 55.4-58.9mpg, 126-134g/km CO2
  • ST EcoBoost: 35.3mpg, 183-184g/km CO2
  • ST EcoBoost auto: 34.4-34.9mpg,186-187g/km CO2
  • ST EcoBlue diesel: 52.3-53.3mpg, 140g/km CO2

The 1.5-litre EcoBlue diesel delivers around 45mpg in the real-world, but it’s no surprise the Focus ST and its 2.3-litre petrol drinks the most fuel and emits the most CO2. The 2.0-litre EcoBlue diesel ST is far more friendly - combine the lower CO2 rating with the lower list price and better fuel economy figure and this makes much more sense as a company car proposition than the petrol. During our time of testing, we saw indicated mpg figures in the high 50s on a motorway run, with an estimate 600 miles per tank.

Fuel tank capacity for the petrols are 52 litres, with a smaller 47 litres for the diesels.

Servicing and maintenance

There should be no unpleasant surprises when it comes to servicing and maintaining a Focus, as Ford parts and labour costs are typically lower. A number of service packages are also available from main dealers, which further help keep costs in check.

Reliability

  • The early signs are reliability is good
  • New car has had some recalls
  • Previous car had only one recall

In 2020, it had received five recalls. The first is relating to a potential fault causing the rear doors to open when the rear windows are lowered. Four of the others relate to potential electrical gremlins, while the last involved the seat belt anchors needing to be checked. If buying a used Focus, it's worthwhile making sure these potential issues have been rectified.

The previous Ford Focus was reliable, and, despite being sold from 2011 through to 2018, only had one recall regarding an airbag fault. Exceptionally good going for a car built in such huge numbers.

Head on over to our owner's review section to see what this generation Focus has been like to live with.

Ford Focus rear spoiler 2020

Ongoing running costs

Road tax (12 months) £155
Insurance group 8 - 34
How much is it to insure?