Best diesel cars 2021

With diesel cars usually offering lower-running costs than petrol models, their popularity has soared over the past 10-15 years. No longer the unrefined units of the past, diesel engines are now smooth, quiet and efficient – returning good MPG and low CO2 figures. Advances in technology mean that long distances can be covered between fuel stops, helping keep running costs low.
The list below shows the best diesel cars available to buy and/or lease in the UK in 2021 according to your selection. The listing displays NGC Rating, official fuel economy and emissions figures, and gives a brief overview of the model.
Use the vehicle class and technology drop-downs above to filter the results and find the best diesel car for your needs. To search by vehicle manufacturer use the search box on the right.
Why pick a diesel car?
Diesel cars tend to be more expensive to buy than petrol cars but this is off-set by their lower running costs. With higher MPG figures and lower CO2 emissions, diesel models will go further between fuel stops and cost less to tax compared with comparative petrol cars. For many buyers, running a car is one of their biggest drains on their monthly budget and it is the diesel engine's efficiency that has seen it become increasingly popular over recent years. With lower regular outgoings, a diesel car will make back its increased purchase price quickly.
Much time is spent comparing the relative merits of petrol vs diesel, however an alternative, low emission and low running cost option for consideration is a battery electric cars or plug-in hybrids