Maruti / Suzuki Ertiga Tuning

"Tuning guide to the greatest Maruti Ertiga modifications."

The Ertiga is a compact multi-purpose vehicle (MPV) produced by the Japanese automaker Suzuki branded as Maruti in some regions.

It was first introduced in April 2012 and has since gained much popularity and we often get asked about mods and upgrades for them.

The Ertiga is designed to offer a balance between affordability, practicality, and versatility, making it a popular choice for families and those looking for a budget-friendly people carrier.

The Suzuki Ertiga has gone through multiple generations, with each generation being updated in terms of design, features, and technology. As of my last knowledge update in September 2021, the Ertiga was available in its second generation, which was introduced in 2018. However, there might have been updates or changes beyond that point.

The engines used in the Suzuki/Maruti Ertiga can vary based on the market it's being sold in. Common engine options include small-displacement gasoline engines and, in some markets, diesel engines. These engines are designed to provide decent fuel efficiency and adequate power for urban and highway driving, which is in line with the vehicle's intended usage.

The problem we have is the lack of off the shelf tuning parts, so in the absence of upgrades we can talk generally about tuning and upgrading.

If you have found a decent spec performance upgrade please let me know in the comments below so that I can make this a more useful article, I do hate only being able to provide general advice.

Maruti Ertigas are fantastic to work on and with carefully chosen tuning modifications you can really increase your driving fun.

Tuning tips and articles

Engine tuning Transmission tuning Care care Intake & exhaust mods Improve handling Forums

Handling/Suspension upgrades

Handling modifications are the thing most do first for the Ertiga.

We found that most Ertiga factory suspension setups need tweaking, a few degrees of toe out for cornering or toe in for stability, 1-1.7, and some negative camber will substantially enhance your cornering and handling.

We suggest that you fit sports suspension and lower the car by 22mm - 39 mm. Larger drops require arch work - especially on models already equipped with motorsport suspension.

The Eibach Pro-Kit does a good job of upgrading the factory setup on the Ertiga, it drops the car around 25mm. This is a set of replacement springs. (Unfortunately I still can't find an adjustable suspension kit but will keep asking, and one day someone will make one, let me know if you've found one out there.)

Please bear in mind that older suspension will have sagged so the drop of 25mm is from the factory setting, not from the current height the car sits at.

Don't just look at the peak power figures, you need to see the whole torque curve when determining if a mod is right for you Ertiga.

Spending just a little money on the right engine and handling mods should transform your car into a potential super car beater.

Smaller engines do not provide much of a return in terms of power so start with a bigger engine. Engine swaps are a good option if you have a small engine size.

Power mods.

This list of the stages and modified modifications are usually fitted by our members, decide how far you want to go before you get going.

  • 1.4 L K14B DOHC 16-valve EFI inline-four with VVT
    70 kW (94 hp; 95 PS) at 6,000 rpm
    130 Nm (96 lbft) at 4,000 rpm
  • 1.5 L K15B DOHC 16-valve EFI inline-four with VVT
    77 kW (103 hp; 105 PS) at 6,000 rpm
    138 Nm (102 lbft) at 4,400 rpm
  • 1.3 L D13A DDiS DOHC 16-valve inline-four with turbocharger
    68 kW (91 hp; 92 PS) at 4,000 rpm
    200 Nm (150 lbft) at 1,750 rpm
  • 1.5 L E15A DDiS DOHC 16-valve inline-four with turbocharger
    70 kW (94 hp; 95 PS) at 4,000 rpm
    225 Nm (166 lbft) at 1,500–2,500 rpm

Second generation

  • 1.5 L K15B i4 77 kW (103.3 hp; 104.7 PS) (petrol)
  • 1.3 L D13A I4-T 68 kW (91 hp; 92 PS) (1.3 L diesel)
  • 1.5 L E15A I4-T 70 kW (94 hp; 95 PS) (1.5 L diesel)

XL6/XL7 (Crossover SUV version)

This came in 3 trim versions Zeta, Beta and Alpha

  • 1.5 L K15B i4 (petrol) 77 kW (103 hp; 105 PS)

Getting the correct grade of modified upgrade kits for your planned usage of the car is vital. Stage 3 competition upgrades just won't work well on the road and will make the car undrivable.

Please watch our video which covers the 5 principles of tuning your car. Be sure to keep up with our latest YouTube content and subscribe.

Best Engine Mods for your car

  1. Engine Tunes - engine tuning/remapping provides the most advantage in terms of cost savings,  aftermarket ECUs, and piggyback ECUs are all alternatives.
  2. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft.
  3. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction.
  4. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. It is one of the most costly upgrades but provides the best gains.
  5. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence.

Typical stage 1 mods often include: Remap, Panel air filter, Lighter flywheel, Suspension upgrade (drop 22mm - 39 mm.), Sports exhaust, Alloy wheels.

Typical stage 2 mods often include: fuel pump upgrades, Ported and polished head, Power/Sport clutch, high flow fuel injector, Fast road cam.

Typical stage 3 mods often include: Internal engine upgrades (pistons/head/valves), Engine balancing, Adding or upgrading forced induction (turbo/supercharger), Sports gearbox, Competition cam.

Peak power is nice in motorsport but for a daily driven car you need a long power band and perhaps extending the rev range.

The point of our guides is to give a brief overview of tuning modifications and point you in the right direction, our forum is the place to go for detailed advice and tips on your car tuning project, the best uprated parts and all aspects of modding cars. One of the best mechanical modified upgrades you can do to your NA (naturally aspirated) engine is to fit a fast road camshaft .

It maximises the intake and exhaust durations and increases the power if done right. Ideally you'd add other mods and finish up with a remap. We'd also caution you not to go with a motor sports profile cam as this affects the engines idling and general town driving characteristics.

You will need to ensure that the engine is not starved of fuel so will need to look at the fuelling.

Most power losses, flat spots and erratic idling after uprated kits are done can usually be traced to fuel delivery or timing issues. Upgraded injectors will enable you to supply sufficient fuel to the engine.

Uprate the fuel pump to cope with the extra fuel requirements of your tuned Ertiga's uprated injectors.

Intake and Exhaust Tuning.

The next area for modification is the intake and exhaust.

Contrary to common belief, fitting an induction kit often results in minimal, if any, power gains on most engines.

These gains are generally not significant enough to justify the investment. It's important to note that induction kits tend to perform well and are recommended when you've increased the engine's power to a level where the standard air intake box becomes inadequate.

For the majority of Ertiga engines, TorqueCars recommends opting for a washable panel air filter. In the case of highly tuned engines and turbocharged vehicles, an induction kit can be beneficial in unlocking additional power, provided you also address the challenge of supplying cold air.

Sports exhaust systems play a role in optimizing the flow of gases through the engine. However, it's crucial to avoid going overboard with the exhaust pipe size. If the exhaust pipe diameter exceeds 2.5 inches, you might experience a significant reduction in exhaust flow rate, resulting in a decrease in both power and torque.

Internal Mods & Notes About Other Upgrades.

Getting a professionally ported and polished head with larger valves can fully maximise your power gains.

This is best done on higher performance projects where bolt on mods will not quite get you there.

Thankfully the stock heads actually flow pretty well, probably due to the manufacturers attempts to meet the ever more stringent emissions regulations.

A good heavy duty fast road sports clutch will help to keep that power going where it should. Never make false economies or think that a standard OEM clutch to cope. The best mods we recommend for your Ertiga are fast road camshaft, remap, induction and exhaust, suspension.

NA (naturally aspirated) engines do not achieve big power gains if you tune/remap them, unless you have done extensive modifications.

The 90 horsepower 1.3 can be tuned to around 110 which is a bump up in power of around 20hp. Not much of a gain, but on a light car like the Ertiga it is felt and appreciated by the driver.

The 94hp 1.4 will only reach around 100hp when tuned, and the Turbo Diesel 1.5 DDIS 200 will gain around 26 horsepower taking the power to around 120hp.

Why are turbocharged engines so different? A tuned/remapped turbo will give impressive power gains and take full advantage of the strength of the block plus the turbo acts as an air pump, and if this is increased you have a lot more potential to burn more fuel and make more power.

Can you turbo a NASP engine? Well adding forced induction will see significant power gains but this is usually too expensive to be cost effective. Getting a turbo to work and setting the timing and fuel takes a lot of know how, putting this out of the reach of most owners.

It is usually easier to add a supercharger than it is to get a turbo working. With a turbo the boost curve is related exponentially to the engine speed making it harder to map.

Superchargers will give a boost which is directly proportional to engine speed so is simpler. Adding forced induction will nearly always require a lower compression ratio or water injection.

Alloy wheel upgrades.

As alloys are less heavy they improve performance and they help to cool the brake disks. Further improvements can be made to your cars handling with the addition of soft compound tire. Large Ertiga alloy wheels can decrease performance. If you get big alloy wheels you will be changing your final drive ratio.

With this in mind endeavour to keep the overall rolling diameter of the wheel the OEM setup. In all cases avoid going over 17 or 18 inches.

Older models tended to come with 15's and newer ones sit on 17's, I personally feel that 16's work really well when it comes to handling, although I have to concede the larger rim sizes do look much nicer in the Ertiga Arches.

If you would like to know more, or just get some friendly advice on Tuning your car please join us in our friendly forum where you can discuss Ertiga options in more detail with our Ertiga owners. It would also be worth reading our unbiased Maruti tuning articles to get a full grasp of the benefits and drawbacks of each modification.

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