Which car should you buy if you drive 20,000 km a year? The options that pay off the most

Did you know that at 20,000 km a year, what you pay in fuel can double the price difference between a combustion car and an electric one? Here is a clear, real and useful comparison to help you decide.

Let’s get to the point: at 20,000 km/year, the cost per km matters more than the purchase price. We explain clear figures, transparent assumptions and the driver profile each type of vehicle suits best.

What you need to know

• At 20,000 km/year, the energy cost makes the biggest annual difference between options.
• An electric car is usually the cheapest per km if you charge mainly at home; if you rely on public fast charging, the advantage shrinks.
• Diesel still pays off for many constant long motorway trips; in the city it loses its advantage due to maintenance and restrictions.
• The hybrid is the best mixed option for those who combine city and motorway driving without giving up range and low running costs.

Who each option suits best

• Electric: If you can charge at home every day and do many recurring km, it is the cheapest option per km. Recommended if your daily route and the infrastructure in your area allow occasional fast charging (AC 7 kW at home, public DC 50–150 kW).
• Hybrid: Ideal if you alternate between city and motorway and want contained consumption and maintenance without depending on charging points. A good compromise for fleets and urban drivers with long routes.
• Diesel: Still makes sense if you do many continuous kilometres on the motorway (steady speed), but check urban restrictions and maintenance costs in your area.
• Petrol: An acceptable choice if you drive fewer kilometres per year or want a lower initial purchase cost; at 20,000 km/year it loses its advantage over hybrids and electric cars in running costs.

Practical advice from driver to driver

• If you plan to keep the car 5+ years and charge at home: go for the electric.
• If you need flexibility and quick refuelling anywhere: hybrid or diesel depending on your main routes.
• Calculate your total cost of ownership TCO (purchase + financing + fuel + insurance + maintenance + public charging) over 3–5 years before deciding.

Final conclusion

With electricity price trends and the expansion of charging points, electric cars will keep gaining ground for those who drive 20,000 km/year, as long as infrastructure and tax policy do not change radically. Over the next 12–24 months we expect end-of-cycle offers, improvements in real-world range (WLTP closer to actual use) and more competitive plug-in hybrid options: if you decide to switch, calculate with your real routes and not with catalogue figures.