Tata Tiago vs Used Mahindra KUV100 – Which is best?

It looks at two small cars. One is brand new. One you can only buy used. They are the Tata Tiago iCNG new in 2026 and the Mahindra KUV100 NXT Petrol used, made until 2023.

The Big Difference:

• Tata Tiago: You can walk into a Tata showroom and buy this car brand new.
• Mahindra KUV100: This car stopped being made in 2023. You can only buy it used from another person.

Fuel and Power: CNG Saver vs Old Petrol

The Tiago is made to save you money on fuel. The KUV100 is an older petrol car.

What to Know	Tata Tiago iCNG	Mahindra KUV100 NXT
Engine	1.2-litre petrol + CNG	1.2-litre petrol only
Power (Petrol Mode)	86 horsepower	82 horsepower
Power (CNG Mode)	73.5 horsepower	— (No CNG)
Fuel Mileage	26-28 km per kg (CNG)	18 km per litre (petrol)
Gearbox	Manual OR Automatic	Manual only

Special Tiago Feature: It can start directly on CNG. The CNG tanks are under the floor, so you still have a good boot.

Safety:

• Tata Tiago: Has a 4-star Global NCAP safety rating. This means experts crashed it and gave it 4 stars for safety. It has Corner Stability Control, ABS brakes, and a strong body.
• Mahindra KUV100: Was never officially crash-tested by Global NCAP. We don’t know its exact safety star rating.

Inside Space and Technology: Modern vs Old

Tata Tiago Modern Tech:

• Seats: 5 seats.
• Technology: Has a big 10.25-inch touchscreen, a fully digital instrument screen, and a good 8-speaker sound system.
• Boot Space: About 107 litres with CNG tanks (still usable).

Mahindra KUV100 Old Practical:

• Seats: Can be a 6-seater! It has a small, foldable middle seat in the front. But it is cramped and has no seatbelt for that person.
• Technology: Has a small screen and basic features. It feels old now.
• Boot Space: 243 litres  –bigger than Tiago’s petrol version.

Money and Running Cost: Save Later vs Cheap Now

Running Cost (Fuel):

• The Tata Tiago iCNG is 70% cheaper to run than the petrol KUV100. You save a lot of money on fuel.

Cost to Buy:

• Tata Tiago: You pay a new car price.
• Mahindra KUV100: A used car price (usually much lower).

Service and Parts:

• Tata: Easy to find parts and service because the car is still being made.
• Mahindra: Parts may become harder to find as the car gets older.

Quick Comparison Chart

Feature	Tata Tiago iCNG	Mahindra KUV100 NXT
To Buy	Brand New Car	Used Car Only
Fuel Type	Petrol + CNG	Petrol Only
Mileage	26-28 km/kg (CNG)	18 km/l (Petrol)
Safety Rating	4-Star (Tested Safe)	Not Tested
Technology	Big Screen, Digital Dials	Old Technology
Seats	5 Seats	6 Seats (but cramped)
Running Cost	Very Low	Higher

Which Car Should You Choose?

Choose the NEW Tata Tiago iCNG if:

1. You want a brand new, safe car.
2. You want to save a lot of money on fuel. CNG is cheap.
3. You want modern technology, big screen, digital dials.
4. You want the choice of an automatic gearbox.

Only choose a USED Mahindra KUV100 if:

1. Your budget is very tight and you can only afford a used car.
2. You really need 6 seats sometimes, even if one is small.
3. You like the tall seating position like a small SUV.
4. You only drive short distances in the city.