Audi S4 Avant (2012)

Estimated running costs and MOT pass rates from 50 MOT tests in 2024.

Annual Cost

£3,003

£250/month

MOT Pass Rate

96%

Excellent

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

4172cc Petrol

Great Choice

96% pass rate, £3,003/year to run. 14 points above average.

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Petrol4172cc14 years old50 tests97k miles avg

Annual Running Costs

Fuel (Petrol, 4172cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£3,003

Per month£250/mo

Per week£58/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 Audi brand average of 90%.

96% of MOT tests on Audi S4 Avants from 2012 ended in a pass in 2024, when they were about 12 years old. That's based on 50 tests across the UK, retests included. The average mileage recorded at those tests was 96,854 miles.

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How Does It Compare?

Rank among 2012 models39th of 650(top 6%)

Rank among Audi models178th of 1,066(top 17%)

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

vs 2012 models average+18%(78% avg)

vs Audi average+6%(90% avg)

Mileage Analysis

96,854

Average miles

88,800

Expected for age

The average 2012 Audi S4 Avant had 96,854 miles on the clock at its 2024 MOT, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.

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Audi S4 Avant by Year

Year	Pass Rate	Tests	Avg Mileage
2012	96%	50	96,854 mi
2011	100%	54	94,508 mi
2010	85%	88	101,537 mi
2009	89%	92	100,885 mi
2007	93%	30	122,020 mi
2006	70%	64	113,870 mi
2005	84%	32	136,700 mi
2004	88%	76	117,351 mi
2003	79%	42	130,012 mi

Similar Cars to Consider

Porsche 911

2014 · 3800cc Petrol

£3,003/year

96%

same

Bentley Continental

2014 · 3993cc Petrol

£3,003/year

97%

+1%

Mercedes SL

2014 · 4663cc Petrol

£3,003/year

92%

-4%

BMW M3

2010 · 3998cc Petrol

£3,003/year

92%

-4%

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About the 2012 Audi S4 Avant

The 2012 Audi S4 Avant is a premium performance car. Our records list a 4172cc petrol engine, though engines vary between versions. 50 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 6% of all 2012 models for MOT pass rate.

With an average of 96,854 miles recorded at its 2024 MOT tests, Audi S4 Avant owners drive about as much as the UK average.

2012 Audi S4 Avant Fuel Costs

The 4172cc petrol engine is on the larger side, so fuel won't be this car's strong point. 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 2012 Audi S4 Avant?

Total estimated annual running cost is £3,003 (£250/month), broken down as £1,958 fuel, £790 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.

Buying a Used 2012 Audi S4 Avant

At 14 years old, the Audi S4 Avant 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. Note: with only 50 tests in our data, these figures should be treated as indicative rather than definitive.

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 14 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 risk

Larger 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 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.

Clutch Wear

Medium risk

With an average of 97k 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 risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 2012 Audi S4 Avant 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 S4 Avant(2012)	96%	£1,958	£790	Grp 35-50	£3,003
Porsche 911(2014)	96%	£1,958	£790	Grp 35-50	£3,003same
Bentley Continental(2014)	97%	£1,958	£790	Grp 35-50	£3,003same
Mercedes SL(2014)	92%	£1,958	£790	Grp 35-50	£3,003same
BMW M3(2010)	92%	£1,958	£790	Grp 35-50	£3,003same

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 2012 Audi S4 Avant

Is the 2012 Audi S4 Avant reliable?

Excellent reliability. Very few MOT failures. 96% of MOT tests on 2012 Audi S4 Avants ended in a pass, from 50 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 2012 Audi S4 Avant cost to run?

Our estimate is £3,003 a year (£250 a month): £1,958 fuel, £790 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 2012 Audi S4 Avant?

96% of 50 MOT tests on the 2012 Audi S4 Avant ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 39th of 650 models first registered in 2012 (top 6%).

What is the average mileage for a 2012 Audi S4 Avant?

The average mileage recorded at MOT tests on the 2012 Audi S4 Avant is 96,854 miles, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.