How much does a 2021 FIAT AUTO-SLEEPERS cost to run?

Estimated annual running cost is £1,695 (£141/month), including £1245 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2021 FIAT AUTO-SLEEPERS?

The 2021 FIAT AUTO-SLEEPERS has a 95% MOT pass rate based on 88 tests in 2026. This ranks 1001 out of 3373 cars from 2021.

FIAT AUTO-SLEEPERS (2021)

Q: Is the 2021 FIAT AUTO-SLEEPERS reliable?

Excellent reliability. Very few MOT failures. 95% of FIAT AUTO-SLEEPERSs from 2021 passed their MOT first time in 2026, based on 88 tests. That's 13 points above the national average of 82%.

Q: What is the average mileage for a 2021 FIAT AUTO-SLEEPERS?

The average mileage for a 2021 FIAT AUTO-SLEEPERS is 10,658 miles, which is significantly below the expected 37,000 miles for a 5-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Running costs, reliability data, and common problems from 88 real MOT tests.

Annual Cost

£1,695

£141/month

MOT Pass Rate

95%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 25-38

2300cc Diesel

Great Choice

95% pass rate, £1695/year to run. 13 points above average.

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Diesel2300cc5 years old88 tests11k miles avg

Annual Running Costs

Fuel (Diesel, 2300cc)

~40 mpg

£1,245

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,695

Per month£141/mo

Per week£33/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

95% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%. It also outperforms the FIAT brand average of 83%.

At 5 years old, 95% of FIAT AUTO-SLEEPERSs from 2021 passed their MOT first time in 2026. That's based on 88 tests across the UK. The average mileage at this age is 10,658 miles.

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How Does It Compare?

Rank among 2021 cars1001th of 3,373(top 30%)

Rank among FIAT models126th of 818(top 15%)

vs national average+13%(82% avg)

vs 2021 cars average+3%(92% avg)

vs FIAT average+12%(83% avg)

Mileage Analysis

10,658

Average miles

37,000

Expected for age

The average 2021 FIAT AUTO-SLEEPERS has 10,658 miles on the clock, which is significantly below the expected 37,000 miles for a 5-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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FIAT AUTO-SLEEPERS by Year

Year	Pass Rate	Tests	Avg Mileage
2021	95%	88	10,658 mi
2018	76%	41	14,185 mi

Similar Cars to Consider

FORD KUGA

2019 · 1997cc Diesel

£1,482/year

91%

-4%

FORD TRANSIT CUSTOM

2019 · 2000cc Diesel

£1,632/year

87%

-8%

BMW 118

2020 · 1995cc Diesel

£1,482/year

93%

-2%

VOLKSWAGEN T-ROC

2019 · 1968cc Diesel

£1,482/year

94%

-1%

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About the 2021 FIAT AUTO-SLEEPERS

The 2021 FIAT AUTO-SLEEPERS is a large car with a 2300cc diesel engine. 88 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.

With an average of 10,658 miles at 5 years old, FIAT AUTO-SLEEPERS 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.

2021 FIAT AUTO-SLEEPERS Fuel Costs

The 2300cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2021 FIAT AUTO-SLEEPERS?

Total estimated annual running cost is £1,695 (£141/month), broken down as £1245 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 FIAT AUTO-SLEEPERS

At 5 years old, the FIAT AUTO-SLEEPERS offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 88 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2021 FIAT AUTO-SLEEPERS's fuel type, age, and engine size, these are the most likely problem areas to check.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Medium risk

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Low risk

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Medium risk

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

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 2021 FIAT AUTO-SLEEPERS stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
FIAT AUTO-SLEEPERS(2021)	95%	£1245	£195	Grp 25-38	£1695
FORD KUGA(2019)	91%	£1037	£190	Grp 18-32	£1482-£213
FORD TRANSIT CUSTOM(2019)	87%	£1037	£190	Grp 18-32	£1632-£63
BMW 118(2020)	93%	£1037	£190	Grp 18-32	£1482-£213
VOLKSWAGEN T-ROC(2019)	94%	£1037	£190	Grp 18-32	£1482-£213

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.