Mazda CX-5 Forums
General Category => Models & Trims => Topic started by: Caldean on September 01, 2015, 11:04:59 pm
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Having read numerous reviews on the CX5 before taking the plunge, the overall impression given by motoring journalists is that the 150 bhp diesel is the preferred choice. Being a natural contrarian, I opted for petrol, mainly due to concerns about DPF's clogging up and rising oil levels reported by some owners,. I am also a lowish mileage driver so mpg is not that important to me but I will be keeping the car for quite a few years - I think the diesel tide will turn on environmental and taxation grounds at some time.
Are there any petrol version owners out there who can give some guidance on the performance and refinement of their motor in comparison to the diesel.... is it fair that the petrol is dismissed so readily by the motoring mags or is it indeed justified?
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Hi Caldean,
I am a proud and very happy owner of a Petrol CX-5, and have been for the last 15 months. Have now covered 13000 trouble free miles and achieving 40mpg. It is refined, responsive, comfortable and still a pleasure to drive. Let me know if you have any concerns or questions.
McDon
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Can't really comment other than to say that the Honest John real MPG data shows that the petrol model is the only one in the range where the official and real MPG figures start to resemble each other (87% of official MPG compared to 71-76% for the diesel variants).
Alan
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we have done 18k and getting 33.3 mpg avg round town, on a run it will do 38, but its all about how you drive cruising at 50 mph will give over 40, my 3 has the same engine and BHP, I managed 43.4 miles on a 160 mile journey non stop but what you gain in economy you lose in time in this case it was a full hour between Aberdeen and Glasgow. having done over 14k in the 3 now its showing 38 mpg avg.
we bought the petrol because we wasn't going over 6k per year, and I previously had a madza 6 diesel 1st gen DPF, I was only getting 44mpg and just didn't like this rising oil levels and the light came on after 11 months, dealer said it was due a service, still having 1500miles left, I wouldn't have bought the car if id known about all these dpf issues back then and its not just mazda who were suffering, but that was over 5 years ago know and I know the dpf technology has come on with different and better versions,
remember the compression ratio is 14.1 the first time I drove the cx-5 it felt a little like a diesel in that you had to quickly gear up as you progressed. you can use 6th gear a lot more than before indicator lighting up at 1800 rev about 40 mph, we have had out cx5 39 months now and its looking like we will be getting another petrol, but I would like to go see the Honda HRV first. Having said all this if you give this car some welly it really is a different beast, I managed to fend off a supercharged petrol rangie, he probably could see his fuel going down right in front of his eyes, lol. I think its one of the best handling SUV,s at speed there is for the money.
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Thanks guys. I've a week to go and have no regrets on my choice. It seems the real world mpg gap is narrower than on paper. I suspect the main plus is the low down torque the diesel gives without having to change gear. Just as well the cx5 has a gearbox that encourages you to shift frequently. Sadly there were so few petrol demonstrators around when I started my search (4 in Scotland, 30 nationally) I tested the diesel and then took a leap of faith. I'm sure it'll be fine !
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Just done my first long trip up the A9, sticking to the speed limits due to the average speed cameras. I managed 46mpg with no bother at all. Quiet and refined, a wee bit of wind flutter around the wing mirrors but definitely quieter than my VW Golf Gti. The torque of the diesel would be better under cruise control as a steep hill requires me to drop a gear or two, but it's not an issue for me. Very comfortable journey with no back ache. Only issue was a shredded tyre due to a large chunk of metal getting embedded in the tyre half way to Inverness. Unlucky but the tpms system worked well. Thankfully I'd ordered the spare wheel option which kept me mobile.....love our CX5 !!!!
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Glad, your impressed, 46mpg WOW that's impressive, sorry to hear about the tyre you can go years without a puncture then have 2, we are still sat at 36.4mpg, but I have a lead right front once I get on the motorway for short blasts.
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I'm sure the mpg is all downhill from that peak as the new car, cotton wool driving technique descends into a less focused style... :)
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NA petrol is fine for reliability but I prefer a turbo engine, it gives a much more relaxed drive.
I was really impressed with a 1.8T petrol I had that would dismiss hill like they wasn't there, having owned 7 NA petrol cars before it.
I only drive a diesel because I tow and need low down torque, which the sequential turbo provides. I only but cars now with a turbo and AWD, now on my soon to be number five.
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I have to remind myself that the cx is my wife's car and she doesn't care about POWER as JC would say. She loves it, I've managed 49mpg so far , no dpf problems and arguably cleaner than diesel. I understand torque is needed for towing and low down grunt... I've had a few diesels in the past but I have my own toy cars for driving thrills these days :)
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Just done a 120 mile round trip to york, busy roads, managed 39.8 might, for a car nearly 4 years old very impressed although it's only got 20k on clock
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Driving round town, my missus gets 37. I really don't know how she does it!!
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That's ok I can manage that too it all about taking foot off the accelator every time going downhill, and cruising where possible hard to do during rush hours and very busy traffic everyone rushing to get home to watch telly, lol
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Just a update Cal, done 350 miles with me in the driving seat and still 38.4, this is down to driving at rush hour times due to hospital visits so I reckon I could still make it at least 39 if not 40, obviously it's just a number not scientifically exact etc, you know what I mean, anyway going to reset on Wednesday got 380 miles to do in one go apart from a fill up at 150 miles. Will be interesting to see what it says I wish I could time how long I would be in 6th gear. Will repost result at the weekend. well it managed 39 mpg on the read out I know its not accurate I was experimenting to see how much higher it could go. that was at motorway speed with cruise set as much as possible. hoping on way down to drive like a nun and see if I can break the 40 mpg barrier whilst still driving at national speed limit.
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I've just done a round trip from Dundee to Inverness, around the town centre, down to Edinburgh and finished with 43.2 mpg. 70mph Dundee to Perth, average speed cameras to Inverness (60 to 70mph ) and motorway from Perth to Edinburgh plus 15 miles town driving. Great car for cruising, although turbo would help rather than thrashing engine to overtake, but otherwise it's simply a superb car. Still in the wife's good books...!!
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Hi Caldean,
I am a proud and very happy owner of a Petrol CX-5, and have been for the last 15 months. Have now covered 13000 trouble free miles and achieving 40mpg. It is refined, responsive, comfortable and still a pleasure to drive. Let me know if you have any concerns or questions.quote]
If you are not doing high mileage then petrol is the one to go for for a number of reasons:-
1. Motoring Hacks are more interested in 0-60 Times and whether the engine will rev to the max. Not something the everyday owner will want to do ( Yes' there are exceptions )
2. Unless you are high mileage 12-18,000 a year, only then, the diesel comes into it's own in terms of Mileage/cost of fuel'
3. Ad Blu is used on diesels nowadays to reduce pollutants, however when it comes close to 2 years it begins to crystalise and can clog up the delivery system which will cost a lot to replace. You will find on a yearly service if you are low mileage the garage will drain the adblu and replace it to prevent that occurring but again it is a cost you don't need
4. Diesels on short runs will clog the DPF (Diesel Particulate filter ) very quickly and unless you put it through a cleaning phase, that could be a £1000 cost to replace unless it goes through it automatically and that burns fuel to do so.
5. Having had a Diesel ourselves for 6+ years our mileage has now dropped to less than half of what it once was, we have tried the Petrol 2.0 CX-5 and found that there is very little in terms of performance as per everyday use, and Yes we tried it in both Sport and normal driving modes. the only difference is in sport mode you're going to suffer in your economy.
6. Depending on your driving technique you will find that the MPG even on a petrol can be good for a vehicle of it's size, if you are a traffic light Grand Prix type driver with the resultant crash stop at the next set of lights before revving up to get to wherever, then your MPG will be frankly CRAP. if driven with foresight and consideration it will be much better.
7. To emphasise the last point we have a 2 litre MX5 Roadster which is petrol and i can achieve 45+MPG when some others can't get past 29 MPG but that's down to driving style or as has been put Economy and speed don't mix.
Enjoy your Petrol CX5
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Wow clarice, where did you exhume this thread????????. Just to show how much the petrol has come on in 10 years, give or take 2 months, i did a 70 mph test between carlise and glasgow thru the night on cruise and got 44mpg, I will admit thou that above that its around 36 to 39mpg. It will be our 10 year anniversary of cx5 ownership in april i have no regrets.