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Porsche Boxster vs Porsche Taycan 4x2: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Porsche Boxster
83%
MOT pass rate · 46,488 vehicles
Porsche Taycan 4x2
91%
MOT pass rate · 3,641 vehicles
More reliable
Verdict: On MOT pass rate, the Porsche Taycan 4x2 is the more reliable of the two — 91% pass first time versus 83%. It's one signal among several; check the full breakdown below.

Head to head

Measure Porsche Boxster Porsche Taycan 4x2
MOT pass rate 83% 91% ✓
MOT failure rate 17% 9% ✓
Faults & advisories per test 1.4 0.7 ✓
Dangerous-fault share 1% ✓ 12%
Average mileage 74,547 mi 31,069 mi
Sample size (vehicles) 46,488 3,641

Most common faults

Porsche Boxster

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Under-trays fitted obscuring some underside components
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Porsche Taycan 4x2

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
  6. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

Reliability FAQ

On MOT pass rate, the Porsche Taycan 4x2 is the more reliable of the two — 91% pass first time versus 83%. It's one signal among several; check the full breakdown below.

Full Porsche Boxster report Full Porsche Taycan 4x2 report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.