ThrottleJournalCar costs, explained with real numbers
Free calculators and plain-English guides to buying, running and maintaining your car in India.
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Car Loan EMI Calculator
See your monthly EMI and total interest.
Open calculator →Fuel Cost Calculator
Trip, monthly and yearly fuel cost.
Open calculator →Mileage Calculator
Your real km/l vs the claimed figure.
Open calculator →EV vs Petrol vs Diesel
Which is cheaper for how you drive.
Open calculator →Total Cost of Ownership
The true cost over the years you own it.
Open calculator →Latest guides
Car Loans in India: The Complete Guide to EMIs, Rates and Tenure
Car loan rates in India start near 7.5%. See how EMI is calculated, a worked ₹8 lakh example, and how tenure and down payment change what you pay.
Fuel Costs & MileageHow to Calculate and Cut Your Monthly Fuel Cost
Work out your monthly fuel cost in 3 steps, see what the same car costs to run in 10 cities, and the habits that save ₹7,000 a year or more.
EV vs Petrol vs Diesel vs CNGEV, Petrol, Diesel or CNG: Which Is Cheapest to Run?
An EV costs about ₹1/km to run vs ₹9.46 for petrol. See per-km costs, break-even distances and 5-year totals for all four fuels, with the maths.
Buying SmartHow to Buy the Right Car for Your Budget
Keep total car costs near 20% of take-home pay. See on-road price, EMI and running costs for 3 cars on a ₹1 lakh salary, with the math shown.
Ownership & Running CostsThe True Cost of Owning a Car in India: Beyond the EMI
A ₹10 lakh car costs about ₹22,600 a month to own over 5 years. See the full rupee breakdown: depreciation, fuel, interest, insurance and servicing.
Car Loans & FinanceHow Car Loan EMI Is Calculated, With a Worked Example
How car loan EMI is calculated, step by step: a ₹6 lakh loan at 9% for 4 years gives ₹14,931 a month. See the formula, Excel method and EMI per lakh table.
Car Loans & FinanceFlat Rate vs Reducing Balance Car Loans: What You Really Pay
A 5% flat car loan rate really costs 9.31% on a reducing balance. Use our conversion table, the 1.8x shortcut and Excel's RATE to check any quote.
Car Loans & FinanceBank vs Dealer Financing: Which Is Cheaper?
Bank vs dealer car financing compared: a 6.99% showroom scheme that drops a ₹40,000 discount really costs 9.50%. See 5 offers worked out in rupees.
Car Loans & FinanceHow Your Credit Score Changes Your Car Loan Rate
Your credit score can move your car loan rate from 7.85% to 11.55%. On ₹8 lakh over 5 years, that's ₹87,026 more interest. See how to get a lower rate.
Fuel Costs & MileageHow to Measure Real Mileage: The Tank-to-Tank Method
Measure your car's real mileage with the tank-to-tank method: a 3-tank worked log (13.65 km/l), the errors to avoid and your true cost per km. Try it.
Fuel Costs & MileageClaimed vs Real-World Mileage: Why They Never Match
Claimed vs real-world mileage, explained: why a 24.80 km/l car does about 18.3 km/l, what the gap costs (₹1,755 a month) and what's normal. Check yours.
Fuel Costs & MileageDaily Commute Cost: What 20, 40 and 60 km a Day Really Costs
Daily commute cost in India for 20, 40 and 60 km a day: petrol, diesel, CNG and EV per month at Delhi prices, with worked maths and ways to cut it.
Fuel Costs & MileageManual vs Automatic Mileage: Which Really Saves More Fuel?
Manual vs automatic mileage compared: AMT, CVT, DCT and torque converter figures for Swift, Creta and Venue, what the gap costs and when an AT pays off.
Why ThrottleJournal?
Most car sites cover launches and opinions. We answer the money questions: what a loan really costs, why your mileage is lower than the brochure, and whether an EV pays off for the way you drive. Every calculator comes with a guide that shows the formula and a worked example.
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