Ford Sierra Sapphire (1990)

Estimated running costs and MOT pass rates from 238 MOT tests in 2024.

Annual Cost

£2,261

£188/month

MOT Pass Rate

96%

Excellent

Road Tax

£375

Estimated/year

Est. Insurance

Grp 18-32

1993cc Petrol

Great Choice

96% pass rate, £2,261/year to run. 14 points above average.

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Petrol1993cc36 years old238 tests49k miles avg

Annual Running Costs

Fuel (Petrol, 1993cc)

~36 mpg

£1,631

Road Tax

Pre-2001 engine size rate

£375

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,261

Per month£188/mo

Per week£43/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

96% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 14 points above the average of 82% across all models in our data. It also outperforms the Ford brand average of 85%.

96% of MOT tests on Ford Sierra Sapphires from 1990 ended in a pass in 2024, when they were about 34 years old. That's based on 238 tests across the UK, retests included. The average mileage recorded at those tests was 49,400 miles.

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How Does It Compare?

Rank among 1990 models7th of 182(top 4%)

Rank among Ford models112th of 1,136(top 10%)

vs average of all models+14%(82% avg)

vs 1990 models average+17%(79% avg)

vs Ford average+11%(85% avg)

Mileage Analysis

49,400

Average miles

251,600

Expected for age

The average 1990 Ford Sierra Sapphire had 49,400 miles on the clock at its 2024 MOT, which is significantly below the expected 251,600 miles for a 34-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Ford Sierra Sapphire by Year

Year	Pass Rate	Tests	Avg Mileage
1993	76%	33	48,711 mi
1992	87%	181	49,047 mi
1991	92%	164	52,634 mi
1990	96%	238	49,400 mi

Similar Cars to Consider

Volkswagen Golf

1991 · 1781cc Petrol

£2,411/year

80%

-16%

BMW 3 Series

1990 · 1990cc Petrol

£2,411/year

84%

-12%

Ford Escort

1990 · 1597cc Petrol

£2,178/year

85%

-11%

Mazda MX-5

1991 · 1597cc Petrol

£2,328/year

78%

-18%

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About the 1990 Ford Sierra Sapphire

The 1990 Ford Sierra Sapphire is a family car. Our records list a 1993cc petrol engine, though engines vary between versions. 238 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It ranks in the top 4% of all 1990 models for MOT pass rate.

With an average of 49,400 miles recorded at its 2024 MOT tests, Ford Sierra Sapphire owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

1990 Ford Sierra Sapphire Fuel Costs

The 1993cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,631 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 1990 Ford Sierra Sapphire?

Total estimated annual running cost is £2,261 (£188/month), broken down as £1,631 fuel, £375 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Ford Sierra Sapphire Reliability Trend

Older Ford Sierra Sapphires tend to have better MOT pass rates than newer ones, with an average decline of 7 percentage points across model years.

Buying a Used 1990 Ford Sierra Sapphire

At 36 years old, the Ford Sierra Sapphire is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Timing Chain / Belt

Watch out

At 36 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 1990 Ford Sierra Sapphire stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Ford Sierra Sapphire(1990)	96%	£1,631	£375	Grp 18-32	£2,261
Volkswagen Golf(1991)	80%	£1,631	£375	Grp 18-32	£2,411+£150
BMW 3 Series(1990)	84%	£1,631	£375	Grp 18-32	£2,411+£150
Ford Escort(1990)	85%	£1,398	£375	Grp 12-25	£2,178-£83
Mazda MX-5(1991)	78%	£1,398	£375	Grp 12-25	£2,328+£67

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 1990 Ford Sierra Sapphire

Is the 1990 Ford Sierra Sapphire reliable?

Excellent reliability. Very few MOT failures. 96% of MOT tests on 1990 Ford Sierra Sapphires ended in a pass, from 238 tests (DVSA MOT data for tests in 2024, retests included). That's 14 points above the average of 82% across all models in the same data.

How much does a 1990 Ford Sierra Sapphire cost to run?

Our estimate is £2,261 a year (£188 a month): £1,631 fuel, £375 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 1990 Ford Sierra Sapphire?

96% of 238 MOT tests on the 1990 Ford Sierra Sapphire ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 7th of 182 models first registered in 1990 (top 4%).

Which year Ford Sierra Sapphire has the best MOT pass rate?

Of the years with at least 100 tests, the 1990 Ford Sierra Sapphire has the highest MOT pass rate at 96% and the 1992 the lowest at 87%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 1990 Ford Sierra Sapphire?

The average mileage recorded at MOT tests on the 1990 Ford Sierra Sapphire is 49,400 miles, which is significantly below the expected 251,600 miles for a 34-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.