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  1. ramgopal
  2. Service & Maintenance
  3. Tuesday, January 12 2016
my alto lxi car run 60000 kms recently i changed the engine oil , but as per the specification of maruti suzuki 20w40 engine oil to be used, but mechanic used 10w40 castrol Magnatec oil.

I feel it is bad and not suitable to our car. so please inform , what trouble will come by using the 10w40 engine oil instead of 20w40 engine oil? pleease inform
Admin Accepted Answer
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Hello,

Maruti Suzuki recommends 20W-40 Engine oil as the best recommendation Oil Grade for Performance. Enough R&D is been done while suggesting engine Oil and thats the best grade

However, having said that
Refer this
[img]https://www.mycarhelpline.com/images/Engine%20Oil%20Grade.jpg[/img]

In terms of 20W/40 Engine Oil and 10W/40 Oil
> Thickness of the Oil is same as 40
> The Winter Grade in 10W is rather superior as against 20W - that means that the vehicle can perform efficiently in Cold Start conditions and even is better

For instance in K10 Series Engines - MSIL was earlier recommending 5W/30 Engine Oil and now even shifted to 0W/20 Oil - though the recommendation at dealer end would even be synthetic grade 0W-40 considered universally the best for all sort of driving conditions.

Our view w.r.t Using 10W/40 Engine Oil would likely not cause any damage, but would rather be efficient enough in colder conditions.
Hope should help !!


  1. more than a month ago
  2. Service & Maintenance
  3. # 1
phanendra babu Accepted Answer
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will anything happen if we use synthetic oil in alto 800 and wagonr cars of 0w40 grade engine oil
  1. more than a month ago
  2. Service & Maintenance
  3. # 2
Sreehari Menon Accepted Answer
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Not to worry! I have used 0w40 Mobil1 fully synthetic engine oil for my Alto - 2008 model for the first 20000kms. I am now using 5w30 semi synthetic oil and the car has done about 70000 kms as of now without any problems. It still performs like new and gives good mileage too.
  1. more than a month ago
  2. Service & Maintenance
  3. # 3
Kanishk Accepted Answer
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I am using fully synthetic engine oil in my alto 2011 model since it achieved 100000 kms mile-stone and now it has done135000 kms. trust me engine performs like a gem with fully synthetic engine-oil.
I have used Mobil-1, Castrol Edge ti, and STP (for past two services).
engine idles like a gem for a 3 cylinder. Fuel Efficiency Has Also Increased now i get 17-20 kmpl in city.


  1. more than a month ago
  2. Service & Maintenance
  3. # 4
DEBASIS BISWAS Accepted Answer
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Dear Admin,
Maruti only suggests 5W30 engine oil for Alto 800. So I think we should adhere to their recommendations.
  1. more than a month ago
  2. Service & Maintenance
  3. # 5
KRISHNA MOHAN Accepted Answer
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Sir, recently I changed my Alto Lxi engine oil . Castrol GTX 3.5 letre 20w 50 oil has been filled. I felt some extra noise from engine, complete 3.5 letre oil used for refilling. Pls suggest about oil grade & quantity.
Regards
K M Srivastava
  1. more than a month ago
  2. Service & Maintenance
  3. # 6
Anand Accepted Answer
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Sir can i use Castrol magnatec 10-w40 for wagon r cng 2017
  1. more than a month ago
  2. Service & Maintenance
  3. # 7
Raju chacha Accepted Answer
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If you live in harsh winter lower first is better (for cold start)

If you live in hot summer - but no harsh winters, 40 or even 50 is better

But always follow your car manual recommendation and if necessary deviate as advised above.
  1. more than a month ago
  2. Service & Maintenance
  3. # 8
Akayraj Accepted Answer
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Engine oil i am using after my first car service is ecstar 0W20, is it ok for hot climate as in bikaner rajasthan, nearly 45-50 degree Celsius
  1. more than a month ago
  2. Service & Maintenance
  3. # 9
Prahlad Accepted Answer
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Sir Alto Lxi 2007 km 64245 par mene 20w40 shell helix oil change kiya h yh car k liye best h kya.
  1. more than a month ago
  2. Service & Maintenance
  3. # 10
abhinav Accepted Answer
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im using 5w 30 fully synthetic in my maruti800 i live in shimla.. is it any better than other oils
  1. more than a month ago
  2. Service & Maintenance
  3. # 11
Rambihari Tiwari Accepted Answer
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I am used alto car 800 lx fun 2007 model company recommand 20w40 engine oil but mechanic recomman oil castrol gtx 20w50 please you recmonad which is best my car 64000km is reading meter
  1. more than a month ago
  2. Service & Maintenance
  3. # 12
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