Petrol vs Diesel Used Cars: Which Should You Buy in Ireland?

Choosing between petrol and diesel is one of the biggest decisions many drivers face in the Irish used car market. With fluctuating fuel costs, evolving emissions and tax ratings, and changing driving habits, making an informed decision is more important than ever.

At Gerry Caffrey Motors, based in Terenure, Dublin, we regularly help buyers across South Dublin, Dublin city centres, and surrounding towns navigate this choice. Let’s explore the key differences and what suits your driving style, with a focus on popular Suzuki petrol vehicles and diesel cars.

Petrol vs Diesel Used Cars in Ireland: The Big Picture

In recent years, the car market in Ireland has seen a shift. Older diesel engines, once prized for fuel efficiency and better resale value, now face challenges due to stricter emissions regulations and tax rating changes.

Why Petrol Vehicles Are Often the Better Choice for City Driving

Petrol cars generally perform better in stop-start urban environments. They avoid issues like diesel particulate filter (DPF) blockages common in older diesel engines when used mainly for short journeys. For many drivers in Dublin and other towns, petrol is now the more fuel-efficient and cost-effective option.

When Diesel Cars Still Make Sense

Diesel fuel remains more economical on long-distance trips and motorway driving due to higher fuel efficiency and torque. Larger cars, SUVs, or those regularly covering high mileage can benefit from a diesel engine’s savings on fuel costs and road tax.

Understanding Diesel Particulate Filters and Maintenance

Many diesel cars come equipped with diesel particulate filters designed to reduce harmful emissions. However, these filters require regular long drives to stay up to date and functioning well. Short trips can cause blockages, leading to expensive services and repairs.

Maintenance costs for diesel cars tend to be higher than petrol models, partly due to these additional emissions control systems and more complex engines. It’s important to factor in these services when comparing fuel savings.

Fuel Efficiency and Running Costs: Petrol vs Diesel

Diesel engines typically offer up to 20-30% better fuel economy than petrol engines of the same model. However, the price difference between a new diesel car and its petrol counterpart can be significant. Many drivers find that unless they cover more than 20,000 km annually, the savings on diesel fuel don’t offset the higher purchase and maintenance costs.

Example: Suzuki Petrol vs Diesel Models

Suzuki S-Cross petrol hybrid: A modern, fuel-efficient option blending petrol economy with hybrid savings.

Suzuki Vitara diesel: Better suited for longer journeys and motorway use, offering strong torque and fuel efficiency.

Suzuki Swift petrol: Ideal for city and suburban driving with low fuel costs and maintenance.

Emissions, Tax Ratings, and Irish Legislation

New diesel cars are cleaner than older diesel engines, thanks to advanced emissions controls like AdBlue and DPFs. However, many cities in Ireland and Europe have introduced low emission zones restricting older diesel cars to improve air quality.

Petrol vehicles often enjoy lower road tax and emissions and tax ratings, especially in urban areas. Buyers should check the current tax rating and consider future legislation when choosing their next car.

Resale Value and Demand in the Used Car Market

Historically, diesel cars held a better resale value due to their longevity and fuel economy. However, in recent years, demand for petrol vehicles has increased, narrowing this difference. Buyers often pay a premium for well-maintained petrol models, especially hybrids and newer vehicles.

Making the Right Choice for Your Driving Habits

Those considering electric or hybrid vehicles: These are increasingly popular alternatives offering low emissions and running costs.

Long-distance and high-mileage drivers: Diesel cars can provide significant fuel cost savings and better torque for larger vehicles.

City and short-distance drivers: Petrol vehicles usually offer better savings, fewer services, and avoid diesel emissions issues.

Our Advice at Gerry Caffrey Motors

We recommend discussing your driving habits, budget, and future plans with our team to find the right car for you. Whether you’re searching for a new vehicle or a used car, we have a wide selection of Suzuki petrol and diesel models to suit your needs.

Visit Us for Expert Guidance

Come to Gerry Caffrey Motors in Terenure, Dublin 6W, where our knowledgeable team can help you make an informed decision about your next car purchase. We offer flexible finance options, trade-in services, and up-to-date advice on emissions and tax regulations to ensure you get the best value.

Drive smarter, save on fuel costs, and choose the right car for your lifestyle with our help.