MOT comparison

Vauxhall Astra Mk6 vs Renault Megane Mk3

How the Vauxhall Astra Mk6 (2009–2015) and the Renault Megane Mk3 (2008–2016) do at their MOTs, compared at the same mileage so a high-mileage car is never measured against a low-mileage one.

Vauxhall Astra Mk6

3,952,614

MOT tests compared · built 2009–2015

Passes more often in 15 of 15 mileage bands

Renault Megane Mk3

1,067,590

MOT tests compared · built 2008–2016

Passes more often in 0 of 15 mileage bands

MOT pass rate by mileage

Share of MOTs passed first time, at the mileage recorded at the test.

Vauxhall Astra Mk6 Renault Megane Mk3

Under 10,000 miles 92.5% vs 88.9%

35,509 and 8,148 MOTs

10,000–20,000 miles 89.9% vs 84.1%

170,415 and 43,485 MOTs

20,000–30,000 miles 85.1% vs 78.0%

324,320 and 83,991 MOTs

30,000–40,000 miles 80.6% vs 72.5%

411,451 and 103,839 MOTs

40,000–50,000 miles 76.6% vs 67.4%

442,172 and 110,549 MOTs

50,000–60,000 miles 72.8% vs 63.1%

438,964 and 111,706 MOTs

60,000–70,000 miles 69.7% vs 59.2%

416,078 and 108,235 MOTs

70,000–80,000 miles 67.1% vs 56.1%

377,660 and 101,171 MOTs

80,000–90,000 miles 65.0% vs 53.5%

328,457 and 90,155 MOTs

90,000–100,000 miles 63.3% vs 51.9%

271,331 and 76,982 MOTs

100,000–125,000 miles 61.5% vs 49.9%

433,354 and 130,217 MOTs

125,000–150,000 miles 60.1% vs 48.5%

190,620 and 62,279 MOTs

150,000–175,000 miles 59.1% vs 48.6%

72,589 and 24,769 MOTs

175,000–200,000 miles 58.2% vs 48.1%

26,111 and 8,528 MOTs

200,000–250,000 miles 58.1% vs 49.7%

13,583 and 3,536 MOTs

Parts that fail more often

Only differences that hold across at least half of the mileage bands we could compare, and that are far too large to be chance, are listed. How we decide

Vauxhall Astra Mk6 fails more often on

Windscreen washer

Fails about 1.5 times as often as the Renault Megane Mk3: 2.5% of MOTs against 1.5%.

In 9 of 15 mileage bands · Driver's View
Exhaust system

Fails about 8 times as often as the Renault Megane Mk3: 1.0% of MOTs against 0.13%.

In 9 of 15 mileage bands · Exhaust & Emissions
Fuel system

Fails about 16 times as often as the Renault Megane Mk3: 0.75% of MOTs against 0.06%.

In 9 of 15 mileage bands

Renault Megane Mk3 fails more often on

Front drive shaft

Fails about 17 times as often as the Vauxhall Astra Mk6: 3.1% of MOTs against 0.33%.

In 15 of 15 mileage bands
Rear brakes

Fails about 3 times as often as the Vauxhall Astra Mk6: 1.8% of MOTs against 0.58%.

In 14 of 15 mileage bands · Braking System

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Check a car's MOT Compare the Vauxhall Astra Mk6 with another model

These are differences in real MOT results, not engineering verdicts. Owner mix differs between models (some are more often taxis, first cars or rural cars), which is why every figure compares cars at the same mileage. How we compare cars.

MOT records: DVSA MOT history, which contains public sector information licensed under the Open Government Licence v3.0. See this the other way round.