Buyer's guide

Choosing a car comes down to three decisions: how much space you genuinely need, how you will fuel it, and how long you plan to keep it. Work through them in that order and the shortlist writes itself.

1. Size before badge

Segments A through F describe length, cabin space and price positioning; J, M, P and S describe purpose. A C-segment hatchback and a compact crossover often share a platform and engine — the crossover simply trades a little efficiency for ride height and easier access. Start with the segment guide and only then compare brands.

2. Pick the right powertrain

PowertrainBest forWatch out for
Petrol / GasolineLow annual mileage, long trips, simplest servicingHighest fuel cost per kilometre in city traffic
DieselHeavy towing, high motorway mileage, pickups and large SUVsParticulate filters dislike short urban trips; urban restrictions in Europe
Full hybrid (HEV)City and mixed driving with no plug requiredSmaller boot in some models; battery health matters on used cars
Plug-in hybrid (PHEV)Short electric commutes with occasional long tripsOnly economical if you charge it consistently
Battery electric (BEV)Home or workplace charging, low running and service costsCharging access, cold-weather range, higher purchase price

3. Run the checks

  • Match the segment to your actual weekly use, not your busiest weekend of the year.
  • Compare total cost: purchase price, insurance, fuel or electricity, tyres, servicing and depreciation.
  • Check boot volume in litres and rear legroom in person — brochure size classes hide big differences.
  • For used cars, verify service history, tyre dates, and whether recalls have been completed.
  • Test drive on the roads you actually use, including a rough surface and a parking manoeuvre.
  • Confirm the safety spec: autonomous emergency braking, blind-spot monitoring and ISOFIX points.

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