[1984-2020] maruti omni engine oil capacity

your Maruti Omni ready for its next oil change?

The iconic van, a staple for Indian families and businesses from 1984 to 2020, relies on proper engine oil maintenance for reliability.

This guide details the Maruti Omni engine oil capacity for its 796cc F8B engine across all variants, recommended oil grades, and ARAI mileage stats.

Maruti Omni Engine Oil Capacity by Model Years

The Maruti Omni 796cc F8B engine, used across all model years 1984 to 2020, has a consistent engine oil capacity of 2.7 liters with filter replacement.

This applies to petrol, CNG, and LPG variants, including 5-seater, 8-seater, cargo, and ambulance models.

Year	Modification	Engine code	Capacity (liters)	Oil Type
1984-1999	Maruti omni 0.8L MT	F8B	2.7L	SAE 5W-30

Year	Modification	Engine code	Capacity (liters)	Oil Type
1998-2006	Maruti omni 0.8L MT	F8B CARB	2.7L	SAE 5W-30
2000-2006	Maruti omni 0.8L MT	F8B MPFI	2.7L	SAE 5W-30

Year	Modification	Engine code	Capacity (liters)	Oil Type
2005-2020	Maruti omni 0.8L MT	F8B MPFI	2.7L	SAE 5W-30
2005-2020	Maruti omni 0.8L MT	F8B MPFI	2.7L	SAE 5W-30

Maruti omni Recommended engine oil grade

Choosing the right oil ensures your Omni’s engine performs reliably.

maruti omni manufacturer recommends API SG+ oil with SAE 5W-30 viscosity for ll Maruti Omni variants—Petrol, CNG, and LPG, for every year.

What it means:

5W-30: The oil remains thin enough to flow well in cold conditions (“5W” for winter), but thick enough (“30”) to protect the engine when it’s hot.

API SG+: An oil quality standard from the American Petroleum Institute; SG+ or higher (like SH, SJ, SL, etc.) is required for good protection.

Why choose this?

Maruti Suzuki recommends 5W-30 for the Omni’s F8B engine because it:

1. Keeps the engine safe in both cold and hot weather
2. Enhances engine life and mileage
3. Reduces engine wear
4. Improves fuel efficiency

Alternative Oil Grades for maruti omni

10W-40 or 20W-40 are sometimes used, especially in older engines or very hot climates

but they may slightly reduce fuel mileage compared to 5W-30.

maruti omni engine oil change

Change engine oil every 10,000km or 12 months whichever comes first

after the initial change at 1,000km or 1 month

Pro Tip: For high-mileage Omnis or commercial use (e.g taxis), change oil every 7,500 km to maintain engine health.

Maruti Omni Mileage 

Mleage is also a important thing when you oil change , Over its long life, the Omni’s modest engine delivered practical fuel efficiency vital for its market.

Variant	ARAI Mileage
Petrol (Manual)	14–19.7kmpl
LPG (Manual)	10.9km/kg
CNG (Manual)	10.9km/kg

the most  popular Petrol models report up to 19.7kmpl ARAI, with real-world city mileage closer to 13–15kmpl and highway mileage up to 16–17kmpl.

Quick Maintenance Tips

• Always check engine oil levels before long journeys.
• Use only the recommended oil grade and avoid mixing different grades.
• Replace the oil filter with every oil change for engine longevity.

final thoughts

Maintaining your Maruti Omni’s engine with the right oil, at the correct intervals, and in the right quantity ensures reliable performance,

and better fuel efficiency at last always refer to the owner’s manual and trust only genuine or approved oils.

I hope this article was helpful for you.

thank you.