A blocked DPF is expensive to clean and even more expensive to replace. The issue is often signified by black smoke coming out of the exhaust when a car moves off or starts up. Diesel-engined cars were promoted by successive UK Governments for more than a decade because they have, on average, lower CO2 emissions and better official fuel economy than their petrol counterparts.
Drivers were incentivised by the lower road tax and company car tax that applied to diesels in the past. But now the Government needs to deal with rising levels of air pollution in UK cities. If you want to have one eye on the future, then take a look at our guides to the best electric cars and best hybrid cars.
The nitrogen oxides NOx produced by diesel engines are one cause of air pollution. The future of diesel cars is yet to be known, but the market share of diesels has dropped catastrophically in the last two years.
When you take into account the falling residual values for diesel cars, drivers are opting for new diesels less and less. Saying that, though, there are some great deals on new and used diesel cars.
Modern diesel engines, those meeting Euro 6 emissions regulations and later models, are impressively clean. But the older, dirtier engines will likely be banned in stages. We forecast that diesel will continue as a relatively small part of the mix for many years to come but will continue to clean up its act.
Yes, some will. Porsche has already shunned diesel engines, while Suzuki has paused supply of diesel engines for the UK market and Toyota is gradually axing its diesel models. No, not necessarily. If you do a lot of motorway miles and you want to save money on fuel, a diesel could be right for you. The question is whether the increased noise comes at a level that you find acceptable.
Our independent agents shop around to find you the best coverage. Emission standards in the United States are much stricter. Anyone who has ever had the misfortune of driving directly behind a school bus or construction vehicle is aware of the smell and dark soot that these vehicles often produce, particularly when accelerating from a dead stop.
Those who are concerned about the environment will like the fact that they will be using less of the non-renewable fuel source that vehicles require. Some people may even consider using bio-diesel, which is an option, though it does lead to decreased engine performance. On the downside, however, despite the cleaner emissions that catalytic converters can provide, diesel cars still pollute the air, particularly when accelerating from a complete stop.
Some of the particulates in the emissions of these cars include carcinogens, soot and nitrous oxide. If you will be doing frequent city driving or you want to own a vehicle that is good for the environment, you may be better off with a hybrid or electric car. When considering the cost of owning a diesel car, the first thing you may notice is that these cars are more expensive to purchase.
However, you can recoup most of this cost at the gas pump if you keep your vehicle for long enough. In fact, Deanna Sclar, author of Auto Repair for Dummies , 2nd Edition, reports that there are several Mercedes-Benz diesel-fueled vehicles that have exceeded , miles on the original engine.
If you plan to keep your car a long time and to provide it with frequent routine maintenance, you can expect your vehicle to save you money in the long run.
If, however, you are lax on the upkeep because of the increased cost of having a diesel mechanic work on it, buying a diesel car may end up balancing out or costing you more in the long run. It is difficult to compare the gas mileage offered by diesel- and gasoline-powered cars because EPA estimates tend to be generous for gasoline-powered cars but very conservative for the diesels.
That said, however, these are the mileage estimates for some of the most popular diesel-powered cars on the market today, along with their gasoline-powered counterparts. Of course, many other diesel vehicles provide exceptional quality and gas mileage, so be sure to read reviews of any that you may be interested in. Only you can decide whether a diesel car is right for you.
These cars have the potential to save you a lot of money. Diesel engines, NOx and CO2 Among the reasons for the continuing popularity of diesel engines is that they typically emit less carbon dioxide CO2 than a petrol engine of equivalent power. Most Popular. Tips and advice 4 Nov What is a DSG gearbox? Should I buy one? Car buying 3 Nov Tips and advice 5 Nov View All.
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