Audi Coupe (1991)
Estimated running costs and MOT pass rates from 118 MOT tests in 2024.
Annual Cost
£2,888
£241/month
MOT Pass Rate
74%
Average
Road Tax
£375
Estimated/year
Est. Insurance
Grp 25-38
2309cc Petrol
Check Carefully
74% pass rate, £2,888/year to run. 8 points below average.
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Annual Running Costs
~30 mpg
Pre-2001 engine size rate
Higher estimate due to low pass rate
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
Average reliability. Expect some repairs as it ages. That's 8 points below the average of 82% across all models in our data. It falls below the Audi brand average of 90%.
74% of MOT tests on Audi Coupes from 1991 ended in a pass in 2024, when they were about 33 years old. That's based on 118 tests across the UK, retests included. The average mileage recorded at those tests was 137,436 miles.
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How Does It Compare?
Mileage Analysis
137,436
Average miles
244,200
Expected for age
The average 1991 Audi Coupe had 137,436 miles on the clock at its 2024 MOT, which is below the expected 244,200 miles for a 33-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
Of the years with at least 100 tests, the 1993 model has the highest MOT pass rate at 88%, while the 1995 model has the lowest at 73%. The 1991 scores 74%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Audi Coupe by Year
Similar Cars to Consider
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About the 1991 Audi Coupe
The 1991 Audi Coupe is a premium car. Our records list a 2309cc petrol engine, though engines vary between versions. 118 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It sits in the bottom 25% of 1991 models for MOT pass rate.
With an average of 137,436 miles recorded at its 2024 MOT tests, Audi Coupe owners tend to use this car less than the typical driver.
1991 Audi Coupe Fuel Costs
The 2309cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,958 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 1991 Audi Coupe?
Total estimated annual running cost is £2,888 (£241/month), broken down as £1,958 fuel, £375 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 74% pass rate. Keeping on top of servicing will help avoid surprises.
Audi Coupe Reliability Trend
Older Audi Coupes tend to have better MOT pass rates than newer ones, with an average decline of 5 percentage points across model years.
Buying a Used 1991 Audi Coupe
At 35 years old, the Audi Coupe 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. If you're flexible on year, the 1993 model has the highest pass rate at 88%.
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 outAt 35 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.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 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 outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Watch outWith an average of 137k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Engine Mounts
Medium riskWorn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.
Service History
Low riskAlways 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 1991 Audi Coupe 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 |
|---|---|---|---|---|---|
| Audi Coupe(1991) | 74% | £1,958 | £375 | Grp 25-38 | £2,888 |
| BMW 3 Series(1990) | 84% | £1,631 | £375 | Grp 18-32 | £2,411-£477 |
| Mercedes 190 E(1992) | 79% | £1,631 | £375 | Grp 18-32 | £2,561-£327 |
| Saab 900(1993) | 73% | £1,631 | £375 | Grp 18-32 | £2,561-£327 |
| Ford Escort(1993) | 83% | £1,631 | £375 | Grp 18-32 | £2,411-£477 |
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 1991 Audi Coupe
Is the 1991 Audi Coupe reliable?
Average reliability. Expect some repairs as it ages. 74% of MOT tests on 1991 Audi Coupes ended in a pass, from 118 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points below the average of 82% across all models in the same data.
How much does a 1991 Audi Coupe cost to run?
Our estimate is £2,888 a year (£241 a month): £1,958 fuel, £375 road tax, £55 MOT and £500 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 1991 Audi Coupe?
74% of 118 MOT tests on the 1991 Audi Coupe ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 131st of 172 models first registered in 1991 (bottom 25%).
Which year Audi Coupe has the best MOT pass rate?
Of the years with at least 100 tests, the 1993 Audi Coupe has the highest MOT pass rate at 88% and the 1995 the lowest at 73%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 1991 Audi Coupe?
The average mileage recorded at MOT tests on the 1991 Audi Coupe is 137,436 miles, which is below the expected 244,200 miles for a 33-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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