Brimly Blog: real-world fuel economy and car care
Real-world fuel economy and car ownership — no fluff.
The True Cost of Car Ownership: What One Mile Really Costs You — Depreciation, Insurance, Fuel and the Lines Nobody Counts
AAA’s 2026 figure is $12,863 a year — 86¢ a mile — and a third of it is depreciation, not gas. The six lines of the bill with national benchmarks, a worked compact-SUV example at 61¢ a mile, why the car that sits costs the most, where the used-car curve bottoms out, EV vs hybrid vs gas, and a calculator for your own car.
How to Calculate Your Real Gas Mileage: the Full-Tank Method, the Trip-Computer Error and How Far from the Sticker Is Normal
Miles between two clicks divided by the gallons of the second one — with a worked five-tank example, the seven mistakes that skew the figure, mpg ↔ L/100 km ↔ km/L conversions, why the dash reads up to 6% high (AAA), how far from the EPA sticker is normal, and a free calculator.
Check Engine Light On? The 10 Most Common OBD2 Codes — What They Mean, Whether You Can Keep Driving and What the Fix Costs
P0420, P0171, P0300, the gas-cap code and six more decoded from CarMD’s 31-million-car index: the likely cause in order, a solid-vs-flashing verdict for each, real 2026 US repair prices — and the $1,500 catalytic converter that was really a $250 sensor.
The 10 Best-Selling German Cars of 2025 — What Germans Actually Buy
The official KBA registrations, model by model: the drivetrain mix that made the pure combustion car vanish from the executive class, measured ADAC economy figures instead of brochure numbers, and the documented weak point of each one.
How to Use an OBD2 Scanner With Your iPhone (and Why Most ELM327s Won’t Connect)
Bluetooth Classic vs BLE — the one fact that explains nearly every failed connection — plus the verified adapters, the two-minute setup, what stored/pending/permanent codes mean, and when clearing them backfires.
Is My Mechanic Ripping Me Off? How to Tell — and What to Do About It
The wallet flush, the every-visit air filter, fear as a sales tool: the classic upsells decoded, the 10-minute fair-price check, and why your own service log — plus an AI that knows your exact car — flips the asymmetry.
Toyota RAV4 Common Problems and Real-World MPG by Generation
Fuelly fleet averages vs EPA stickers, and every documented weak spot per generation — the 2AZ oil burner, the 12V battery fire recall, the 8AT hesitation, the hybrid tank saga — with recall numbers, TSBs and repair costs.
Are Chinese Car Engines Reliable? What the Recall and Survey Data Shows
MG has 12 UK recalls and not one for engine mechanicals, while a single European wet-belt defect covers 97,499 cars — yet MG also finished last in the reliability survey. What the DVSA database, the owner surveys and 350,000 km taxi fleets actually say.
Brimly Now Runs in Your Browser — Meet Brimly Web
A free fill-up and expense log for desktop browsers: no account, no server — your data stays in the browser, syncs with the iPhone app via a single file, and works offline.
How Driving Style Affects Fuel Consumption: What the Research Shows
Aggressive driving costs 10–40%, speed alone up to 25%, cold short trips nearly double the burn — what studies actually measured, habit by habit, plus the myths.
Looking for a Fuelio Alternative on iPhone? An Honest Comparison
Why long-time Fuelio users are looking around in 2026 — the subscription, the iOS gap, the backup scares — and how Brimly compares, with a free one-tap import of your history.
Looking for a Fuelly Alternative? Here's an Honest Comparison
Fuelly's iPhone app hasn't been updated since June 2024 and its Android app is gone from Google Play. What Fuelly still does best, how Brimly differs, and how to move your logs via CSV.
Looking for a Drivvo Alternative? An Honest Comparison
Price hikes, full-screen ads, a Pro that 'un-buys' itself and data tied to an account — why Drivvo users switch, and how to import your Drivvo CSV into Brimly in one tap.
What Happens If You Put Regular Gas in a Premium Car
Knock sensors, retarded timing, lost mpg — and the cases where regular is genuinely risky: what really happens on 87, once or every day, and when the savings are real.
Car Maintenance Schedule by Mileage: The Complete Checklist
What to service and when — every fill-up, 10k, 30k, 60k and 100k miles — with the time-based intervals everyone forgets and the myths that waste money.
The 10 Greatest Off-Road Vehicles of All Time
From the Willys and the Land Cruiser to the Lada Niva and the Jimny: what each legend invented, the pros and cons of owning one — with a comparison table and the 20-minute check that decides whether the one in front of you is a bargain or a money pit.
The Best Road Trip Cars of 2026: 8 Picks Ranked by Real Range, Comfort and Reliability
Judged by what hour six actually tests: real highway range on one tank (with a comparison table), seats built for whole days, cargo space and reliability far from home — plus the weak point of each pick and the answers to the questions people actually ask.
The 8 Best Cars for Long Road Trips in Russia (2026)
Range between fuel stops, suspension that survives regional roads and service beyond the big cities: from the used-market Camry to the Tank 300 — with the weak points of each.
The 10 Most Reliable Cars on the US Market in 2026
Consumer Reports' and J.D. Power's 2026 data distilled into ten models — with the score behind each pick and the few things that still deserve attention.
The 10 Most Reliable Cars on the Russian Market in 2026
Lada, Haval, Geely, Chery, Tank and GAC ranked by real-world dependability, parts availability and cost of ownership — and why Toyota sits just outside the ten.
America's 5 Best-Selling Cars and Their Most Common Problems (With Fixes)
F-150, Silverado, RAV4, Model Y and CR-V: the documented weak points of each — symptoms, mileage windows, and which repairs a recall covers for free.
Russia's 5 Best-Selling Cars and Their Most Common Problems (With Fixes)
Lada Granta, Vesta, Haval Jolion and two Chery Tiggos: the documented weak points of each — symptoms, mileage windows and the fixes that actually work.
How to Reduce Fuel Consumption in an Automatic Car: 12 Proven Ways
Why automatics burn more gas and what actually works: driving style, tires, transmission care — and the neutral-coasting and warm-up myths.