1978 Lambretta Gp150 — MOT History by Age

How cars manufactured in 1978 perform at MOT as they age

48 years

Current Age

88.2%

Latest Pass Rate

423

Total Tests (All Years)

7,746 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1978 Lambretta Gp150 as it ages.

31 yrs80.0%

→ ↓0.0%

32 yrs80.0%

→ ↑2.9%

33 yrs82.9%

→ ↓2.4%

34 yrs80.5%

→ ↑1.3%

35 yrs81.8%

→ ↑3.9%

36 yrs85.7%

→ ↑11.8%

37 yrs97.5%

→ ↓5.7%

38 yrs91.8%

→ ↓6.7%

39 yrs85.1%

→ ↑3.1%

40 yrs88.2%

📊 View as table

Age	Pass Rate	Tests
31 yrs	80.0%	40
32 yrs	80.0%	45
33 yrs	82.9%	41
34 yrs	80.5%	41
35 yrs	81.8%	44
36 yrs	85.7%	42
37 yrs	97.5%	40
38 yrs	91.8%	49
39 yrs	85.1%	47
40 yrs	88.2%	34

Pass Rate Trend

How the 1978 Lambretta Gp150 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (40 yrs)	88.2%	34
2017 (39 yrs)	85.1%	47
2016 (38 yrs)	91.8%	49
2015 (37 yrs)	97.5%	40
2014 (36 yrs)	85.7%	42
2013 (35 yrs)	81.8%	44
2012 (34 yrs)	80.5%	41
2011 (33 yrs)	82.9%	41
2010 (32 yrs)	80%	45
2009 (31 yrs)	80%	40

Year-by-Year MOT Results

2009

80.0%

Age (yrs) 31Tests 40Avg Mileage 6,655Top Failure Motorcycle lighting and signalling — 12.5%

2010

80.0%

Age (yrs) 32Tests 45Avg Mileage 5,082Top Failure Motorcycle lighting and signalling — 11.1%

2011

82.9%

Age (yrs) 33Tests 41Avg Mileage 5,450Top Failure Motorcycle lighting and signalling — 9.8%

2012

80.5%

Age (yrs) 34Tests 41Avg Mileage 5,420Top Failure Motorcycle lighting and signalling — 12.2%

2013

81.8%

Age (yrs) 35Tests 44Avg Mileage 5,717Top Failure Motorcycle steering and suspension — 9.1%

2014

85.7%

Age (yrs) 36Tests 42Avg Mileage 5,744Top Failure Motorcycle lighting and signalling — 11.9%

2015

97.5%

Age (yrs) 37Tests 40Avg Mileage 6,508Top Failure Motorcycle body and structure — 2.5%

2016

91.8%

Age (yrs) 38Tests 49Avg Mileage 5,977Top Failure Motorcycle lighting and signalling — 8.2%

2017

85.1%

Age (yrs) 39Tests 47Avg Mileage 6,703Top Failure Motorcycle lighting and signalling — 8.5%

2018

88.2%

Age (yrs) 40Tests 34Avg Mileage 7,746Top Failure Motorcycle lamps and reflectors — 5.9%

MOT results for 1978 Lambretta Gp150 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	31	80.0%	40	6,655	Motorcycle lighting and signalling — 12.5%
2010	32	80.0%	45	5,082	Motorcycle lighting and signalling — 11.1%
2011	33	82.9%	41	5,450	Motorcycle lighting and signalling — 9.8%
2012	34	80.5%	41	5,420	Motorcycle lighting and signalling — 12.2%
2013	35	81.8%	44	5,717	Motorcycle steering and suspension — 9.1%
2014	36	85.7%	42	5,744	Motorcycle lighting and signalling — 11.9%
2015	37	97.5%	40	6,508	Motorcycle body and structure — 2.5%
2016	38	91.8%	49	5,977	Motorcycle lighting and signalling — 8.2%
2017	39	85.1%	47	6,703	Motorcycle lighting and signalling — 8.5%
2018	40	88.2%	34	7,746	Motorcycle lamps and reflectors — 5.9%

Common MOT Failures

Top failure categories across all test years for 1978 Lambretta Gp150, with age trends.

Motorcycle lighting and signalling

10.1%

↓ Decreases with age

Motorcycle lamps and reflectors

5.9%

— Consistent

Motorcycle fuel and exhaust

5.3%

↑ Increases with age

Motorcycle steering and suspension

5.1%

— Consistent

Motorcycle brakes

4.4%

↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Motorcycle brakes	7.5% (31 yrs)	2.9% (40 yrs)	-4.6%	🟢 ↓
Motorcycle steering and suspension	2.5% (31 yrs)	2.9% (40 yrs)	+0.4%	⚪ —

Other Manufacture Years

1969 1970 1971 1976 1978 1979 1980 1981 1983 1984 1985 2005 2006

← Back to Lambretta Gp150 overview

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About This Data

This page shows how Lambretta Gp150 cars manufactured in 1978 perform at MOT as they age. Data spans from 2009 to 2018, covering 423 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.