DENIS
Denis Kataev, founder of ForCar
Founder & Editor · Serial Solopreneur

Denis Kataev

Denis Kataev is a serial solopreneur and the founder of ForCar. With 15+ years in software engineering and 10 years in SEO, he builds data-driven products end to end — backed by a sharp eye for design. At ForCar he mines proprietary vehicle datasets, turning raw numbers into buying advice you can actually trust.

267Guides
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Guides by Denis

267 articles
VIN check rate versus market share by car brand
VIN & History

Mercedes Buyers Check the VIN Eight Times More Often Than the Market Average. Chrysler Buyers Check Half as Often.

We can compare how often a brand gets checked against how often it's actually for sale. The gap doesn't track risk at all — it tracks how much the mistake would cost.

Sep 1, 2026 · 2 min
Manual versus automatic transmission price premium by car type
Depreciation & Value

A Manual Adds 33% to a Mustang and Takes 10% off a Honda Fit

"Manuals are worth more" is repeated as a rule. Compared model by model against the automatic version of the same car, it's true of one category and false of the rest.

Sep 1, 2026 · 2 min
Used car relative price by fuel economy within the same class
Depreciation & Value

Thirsty Saloons Hold Their Value. Economical Ones Don't.

Buying an economical car saves money at the pump and is supposed to be the sensible choice. On the used market that same economy turns out to be a liability.

Aug 31, 2026 · 2 min
Branded title rate by rollover crash test rating
Buying Guides

Cars With the Best Rollover Rating Are Written Off Two and a Half Times More Often

A five-star rollover score sounds like the safest possible outcome. Cross-referenced with title status, those cars turn out to be the ones most likely to have been written off.

Aug 31, 2026 · 2 min
Used car price discount by leading complaint component
Depreciation & Value

A Transmission Problem Costs 14% of the Car. An Airbag Problem Costs Nothing.

The used market does react to what owners complain about — but only to some of it. Sorting by which part generates the complaints reveals exactly what buyers are afraid of.

Aug 31, 2026 · 2 min
Used car price by number of recall campaigns
Depreciation & Value

A Car With 11 Open Recall Campaigns Sells for the Same as One With None

You'd expect a documented safety defect to cost a seller money. I normalised prices against class and year to find out how much, and the answer came back as nothing.

Aug 31, 2026 · 2 min
Car brands that left the US market and the total brand count by year
Comparisons

Thirteen Car Brands Died in America and the Total Never Changed

Names with decades of history vanished one after another, and at no point did the showroom get emptier. Every death was matched by an arrival within a few years.

Aug 31, 2026 · 1 min
Hybrid versus petrol car mileage by vehicle age
Comparisons

Two-Year-Old Hybrids Have 24% More Miles Than Petrol Cars the Same Age

Every powertrain has a mileage profile, and hybrids have a strange one: ahead early, behind later. The crossover happens at about three years, and it says who buys them first.

Aug 30, 2026 · 2 min
Vehicles with contradictory greenhouse gas and smog ratings
Ownership Costs

A Lamborghini Urus Scores 8 out of 10 for Climate and 2 out of 10 for Air Quality

The window sticker gives a car two environmental scores. On one particular type of vehicle they disagree so violently that both can't be describing the same machine.

Aug 30, 2026 · 2 min
Car insurance state ranking changes versus actual premium changes
Ownership Costs

Washington Fell 12 Places in the Insurance Rankings While Its Bill Went Up

State insurance rankings get republished every year and treated as news. They can move a dozen places without anybody's bill changing in the direction you'd assume.

Aug 30, 2026 · 1 min
Average used car price by model year showing depreciation floor
Depreciation & Value

Cars Stop Losing Value at About Sixteen Years Old. Then They Start Gaining.

Depreciation is described as a curve that flattens towards zero. Plotted against actual listings it doesn't flatten — it turns around and goes back up.

Aug 30, 2026 · 2 min
Used car models with the highest branded title rates
Buying Guides

One in Five Subaru Crosstreks for Sale Has Been Written Off and Rebuilt

Branded titles cluster on specific models rather than spreading evenly. The four at the top of the list got there for four completely different reasons.

Aug 30, 2026 · 2 min