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Average Diesel Engine Specialist Salary in United Kingdom for 2026

A diesel engine specialist in United Kingdom earns about 37,300 GBP a year. That's 46% below the national average of 69,700 GBP.

Pay ranges widely from country to country and from role to role. The lowest reported salaries in United Kingdom sit around 20,900 GBP a year, while the very top stretches to 57,800 GBP. Everything on this page is in British pound (GBP, symbol £), which lets you compare numbers like-for-like without worrying about exchange rates.

The numbers here are pulled together from official government wage data, large independent salary surveys, and aggregated worker-reported pay. Most reported salaries include the benefits that are common in United Kingdom, such as housing or transport allowances, which is worth keeping in mind if you're comparing against a country where those are usually paid on top.

To turn a gross salary in United Kingdom into a take-home figure, use our United Kingdom salary after tax calculator, which works the latest tax brackets and contributions through the math for you.

How much does a diesel engine specialist make in United Kingdom?

Average salary
37,300 GBP
3,108 GBP per month
Lowest reported
20,900 GBP
1,741 GBP per month
Highest reported
57,800 GBP
4,816 GBP per month

A typical diesel engine specialist working in United Kingdom brings home around 3,108 GBP a month before tax. Entry-level pay starts near 20,900 GBP, and the top of the ladder reaches roughly 57,800 GBP for the most experienced and specialised people in the role.

The wide gap between low end and top end reflects how much pay can vary inside the same job title. A junior diesel engine specialist working at a small local employer earns very different money from a senior at a multinational. Skills, employer, city and years in the seat all push the number around. For a cross-country comparison, see the diesel engine specialist salary in Guernsey or Jersey, both of which pay in the same currency.

How diesel engine specialist pay ranges in United Kingdom

A good way to think about salary in United Kingdom is to look at the distribution rather than the headline average. Half of all diesel engine specialists in United Kingdom earn less than 34,300 GBP a year, and the other half earn more. That middle number is the median, and it is usually more useful than the average for answering "is my pay normal here".

Looking at the quartiles fills in the picture. A quarter of earners take home less than 25,400 GBP (the 25th percentile), and a quarter clear 45,300 GBP (the 75th percentile). The middle 50% of diesel engine specialists sit somewhere inside that band, which is where the typical reader of this page probably lives.

The very lowest reported salaries sit around 20,900 GBP. The highest stretch to 57,800 GBP, though only a small fraction of earners ever reach that level. If you are deciding whether your own offer or current pay is reasonable, work out which of those four bands you would fall into and use that as your reference point.

20,900
Low
34,300
Median
57,800
High
25,400
25th
45,300
75th
The middle 50% sit between the 25th and 75th percentile Tails are the lowest and highest reported All figures in GBP

Diesel engine specialist pay by experience in United Kingdom

Years of experience is the single biggest lever on pay for a diesel engine specialist in United Kingdom, ahead of education and almost any other single factor. The longer you have been in the role, the more your employer can trust you to handle complexity, mentor others and act independently, all of which command higher pay. The chart below shows how the typical diesel engine specialist salary changes as you move through the career ladder.

  • 0-2 Years
    22,300 GBP
  • 2-5 Years
    +38% from previous
    30,800 GBP
  • 5-10 Years
    +18% from previous
    36,200 GBP
  • 10-15 Years
    +28% from previous
    46,400 GBP
  • 15-20 Years
    +9% from previous
    50,700 GBP
  • 20+ Years
    +2% from previous
    51,800 GBP

The single largest jump on the ladder is from 0 - 2 Years to 2 - 5 Years, where pay rises by about 38%. That is the point at which a diesel engine specialist typically goes from "competent in the role" to "the person other people in the team learn from", and the market pays well for that step.

Diesel engine specialist pay by education in United Kingdom

Education sits alongside experience as one of the biggest factors driving diesel engine specialist pay in United Kingdom. Higher qualifications consistently pull higher salaries, but the size of the gap tends to be smallest at junior levels and widens as people move up. Two people in the same role with the same years of experience but different degrees can end up earning very different money once they reach mid-career.

Below is the average diesel engine specialist salary in United Kingdom broken down by the highest level of education a worker has completed.

  • High School
    24,200 GBP
  • Certificate or Diploma
    +46% from previous
    35,400 GBP
  • Bachelor's Degree
    +39% from previous
    49,300 GBP

Diesel engine specialist gender pay gap in United Kingdom

The gender pay gap is a stubborn feature of almost every labour market, and United Kingdom is no exception. Male diesel engine specialists in United Kingdom earn an average of 36,400 GBP a year, while female diesel engine specialists earn around 35,000 GBP. That works out to a 4% gap in favour of men, even when comparing people doing the same work.

A pay gap of this size has a real long-term cost. Over a typical thirty-year career it can add up to several years of pay, and it compounds through pensions, retirement contributions and bonus-linked stock. Some of the gap is explained by women being more likely to work part-time, take career breaks, or be steered toward lower-paying specialisations. Some of it is straightforward unequal pay for the same job, which is harder to defend.

Diesel Engine Specialist gender pay gap

4%

Men earn this much more than women on average in United Kingdom.

Men 36,400 GBP
Women 35,000 GBP

Pay raises for a diesel engine specialist in United Kingdom

Most countries hand out at least some kind of pay raise every year, typically when an employee's contract is reviewed or as a cost-of-living adjustment to keep wages roughly in step with inflation. The rhythm and size of those raises varies hugely between industries.

A typical worker doing this role in United Kingdom sees a raise of about 10% every 15 months, which works out to roughly 8% on an annual basis. That figure is the typical underlying rate; in years where inflation runs high you can usually expect a bit more, and in flat-economy years a bit less.

Across all jobs in United Kingdom, the national average raise is around 9% every 15 months.

By industry

Industries with the highest pay raises in United Kingdom:

  • Banking
  • Energy
  • Information Technology
  • Healthcare
  • Travel
  • Construction
  • Education

By experience level

Experienced workers tend to see larger raises. Retaining a senior is cheaper than replacing them, so employers fight harder for them.

  • Junior Level
    3% - 5%
  • Mid-Career
  • Senior Level
  • Top Management

Diesel engine specialist bonus rates in United Kingdom

Bonuses are the other half of total compensation, and they vary a lot between jobs and industries. Some roles are paid almost entirely in base salary; others lean heavily on bonus structures tied to revenue, project completion or company performance. Whether a job pays a bonus, how big it is, and how often it lands all factor into whether the headline salary is actually a good offer.

29%

29% of diesel engine specialists in United Kingdom reported a bonus of some kind in the past twelve months. That makes a diesel engine specialist a low-bonus role overall, which is useful context when you're weighing up a job offer where the base is below market.

Among those who did receive a bonus, the size of the payment varied substantially. Reported bonuses ranged from 1% to 3% of base salary. The remaining 71% of diesel engine specialists reported no bonus at all over the same period.

Which careers pay bonuses in United Kingdom

Revenue-facing roles tend to pay the biggest bonuses. Operational and support roles tend toward smaller, more predictable ones.

  • Finance
  • Architecture
  • Sales
  • Business Development
  • Marketing / Advertising
  • Information Technology
  • Healthcare
  • Insurance
  • Customer Service
  • Human Resources
  • Construction
  • Transport
  • Hospitality

Diesel engine specialist: public vs private sector pay

Public-sector pay in United Kingdom is about 7% more than private-sector pay for similar work. The private sector typically offers stronger upside and bigger bonuses; the public sector typically offers better benefits and stability.

Public vs private pay gap

6%

Public-sector workers earn this much more than private-sector workers in United Kingdom on average.

Public sector 72,700 GBP
Private sector 68,200 GBP

Diesel engine specialist salary by city and region in United Kingdom

Diesel engine specialist pay is not even across United Kingdom. The chart below shows the highest-paying cities and regions in the dataset, followed by the full location table.

  • England
  • Scotland
  • Edinburgh
  • Somerset
  • Birmingham
  • London
  • Glasgow
  • Sheffield
  • Liverpool
  • Leeds
LocationTypeAverageMedianRange
EnglandRegion69,100 GBP65,800 GBP36,000-105,800 GBP
ScotlandRegion54,100 GBP51,300 GBP29,200-83,800 GBP
EdinburghCity45,100 GBP39,300 GBP23,500-64,800 GBP
SomersetCity45,000 GBP39,500 GBP21,500-65,100 GBP
BirminghamCity45,000 GBP48,600 GBP22,000-70,900 GBP
LondonCity43,500 GBP45,300 GBP20,000-68,200 GBP
GlasgowCity43,500 GBP46,100 GBP21,200-68,400 GBP
SheffieldCity43,500 GBP38,900 GBP23,200-63,400 GBP
LiverpoolCity43,500 GBP39,800 GBP22,800-66,900 GBP
LeedsCity43,200 GBP45,600 GBP20,400-67,800 GBP
BelfastCity41,700 GBP38,000 GBP21,700-63,200 GBP
NottinghamCity41,500 GBP40,500 GBP21,500-65,500 GBP
ManchesterCity41,400 GBP44,900 GBP20,000-65,900 GBP
NewcastleCity40,900 GBP40,900 GBP19,100-59,800 GBP
CardiffCity40,600 GBP40,000 GBP23,800-64,500 GBP
OxfordCity40,500 GBP40,700 GBP19,000-61,600 GBP
LincolnCity40,500 GBP39,400 GBP20,500-59,100 GBP
Kingston upon HullCity40,300 GBP36,700 GBP20,100-62,600 GBP
WolverhamptonCity40,300 GBP43,500 GBP17,100-63,500 GBP
BristolCity39,800 GBP39,800 GBP20,000-63,900 GBP
BradfordCity39,800 GBP44,300 GBP20,400-64,800 GBP
CoventryCity39,700 GBP41,100 GBP20,200-61,400 GBP
PlymouthCity39,600 GBP37,800 GBP18,600-62,100 GBP
BrightonCity39,600 GBP39,600 GBP19,100-61,300 GBP
DerbyCity39,600 GBP37,100 GBP22,600-58,000 GBP
SwanseaCity39,500 GBP39,500 GBP19,200-59,700 GBP
LeicesterCity39,300 GBP39,500 GBP19,400-63,100 GBP
DundeeCity38,700 GBP36,900 GBP19,300-58,800 GBP
GloucesterCity38,100 GBP38,100 GBP20,300-59,000 GBP
NewportCity38,100 GBP39,500 GBP16,000-58,700 GBP
ArmaghCity38,000 GBP38,000 GBP17,800-59,100 GBP
ExeterCity38,000 GBP41,100 GBP17,900-60,700 GBP
PeterboroughCity37,900 GBP39,800 GBP19,200-62,100 GBP
SouthamptonCity37,900 GBP35,500 GBP21,700-59,700 GBP
SalisburyCity37,200 GBP37,200 GBP19,400-56,100 GBP
PortsmouthCity36,800 GBP41,300 GBP16,900-60,500 GBP
DerryCity36,600 GBP32,300 GBP18,900-54,100 GBP
CambridgeCity36,500 GBP33,300 GBP22,600-58,700 GBP
AberdeenCity36,400 GBP36,400 GBP20,300-59,000 GBP
PooleCity36,400 GBP35,300 GBP18,900-54,200 GBP
YorkCity36,200 GBP39,800 GBP17,100-58,000 GBP
NewryCity36,200 GBP38,000 GBP20,300-59,500 GBP
HartlepoolCity35,600 GBP33,000 GBP20,300-54,700 GBP
AbingdonCity35,500 GBP35,300 GBP16,300-55,100 GBP
RiponCity35,300 GBP35,600 GBP18,300-55,100 GBP
ChesterCity35,300 GBP36,800 GBP18,600-54,200 GBP
WalesRegion34,400 GBP34,400 GBP19,100-55,600 GBP
WinchesterCity34,300 GBP35,100 GBP20,200-52,800 GBP
CanterburyCity34,300 GBP38,700 GBP15,700-54,500 GBP
NorwichCity34,300 GBP33,000 GBP17,100-55,400 GBP
WakefieldCity34,000 GBP33,000 GBP16,100-51,300 GBP
InvernessCity34,000 GBP34,400 GBP15,300-53,600 GBP
LisburnCity34,000 GBP36,500 GBP16,300-51,900 GBP
BangorCity33,600 GBP33,000 GBP18,600-54,600 GBP
StirlingCity33,600 GBP34,100 GBP19,000-51,900 GBP
DurhamCity33,500 GBP34,800 GBP14,200-53,600 GBP
Northern IrelandRegion33,300 GBP35,600 GBP16,100-54,900 GBP
WellsCity33,000 GBP33,500 GBP19,100-51,100 GBP
StromnessCity33,000 GBP36,700 GBP15,100-55,100 GBP
KirkwallCity32,900 GBP31,400 GBP15,700-50,700 GBP
TruroCity32,200 GBP33,800 GBP14,200-51,400 GBP
St DavidsCity31,700 GBP34,000 GBP13,500-49,200 GBP
StrontianCity31,700 GBP35,300 GBP15,500-53,300 GBP

Diesel Engine Specialist in United Kingdom: FAQs

  • How much does a diesel engine specialist make per month in United Kingdom?

    A diesel engine specialist in United Kingdom earns about 3,108 GBP a month before tax, based on an annual average of 37,300 GBP.

  • What's the salary range for a diesel engine specialist in United Kingdom?

    Entry-level diesel engine specialists in United Kingdom start near 20,900 GBP. Top-end pay reaches around 57,800 GBP. The middle 50% of earners sit between 25,400 and 45,300 GBP.

  • Is the median diesel engine specialist salary in United Kingdom higher or lower than the average?

    The median is 34,300 GBP, lower than the average of 37,300 GBP. Half of diesel engine specialists in United Kingdom earn below the median, half earn above it.

  • What's the gender pay gap for diesel engine specialists in United Kingdom?

    Men working as a diesel engine specialist in United Kingdom earn around 4% more than women on average (36,400 vs 35,000 GBP a year).

  • Do diesel engine specialists in United Kingdom get bonuses?

    About 29% of diesel engine specialists in United Kingdom reported a bonus in the past 12 months. Reported bonuses ranged from 1% to 3% of base salary.

  • Do diesel engine specialists earn more in the public or private sector in United Kingdom?

    In United Kingdom, the public sector pays a diesel engine specialist about 7% more on average. Public-sector pay tends to be steadier; private-sector pay tends to offer bigger upside.

  • How often do diesel engine specialists in United Kingdom get a pay raise?

    A diesel engine specialist in United Kingdom sees a raise of around 10% every 15 months, equivalent to roughly 8% a year.