CarCostCheck

FIAT AUTO-SLEEPERS (2021)

Running costs, common problems, and reliability data based on 88 real MOT tests in 2024.

MOT Pass Rate

95%

Total Tests (2024)

88

Avg Mileage

10,658 mi

Est. Annual Cost

£1,690

Is the 2021 FIAT AUTO-SLEEPERS reliable?

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 3 years old, 95% of FIAT AUTO-SLEEPERSs from 2021 passed their MOT first time in 2024. That's based on 88 tests across the UK. The average mileage at this age is 10,658 miles.

How does the 2021 FIAT AUTO-SLEEPERS compare?

Rank among all 2021 cars1001th out of 3,373(top 30%)
Rank among all FIAT models126th out 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

The average 2021 FIAT AUTO-SLEEPERS has 10,658 miles on the clock, which is significantly below the expected 22,200 miles for a 3-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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

Fuel (Diesel, 2300cc)
£1,245
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,690
Per month£141/mo

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

FIAT AUTO-SLEEPERS by Year

YearPass RateTestsAvg Mileage
202195%8810,658 mi
201876%4114,185 mi

Checking a specific FIAT AUTO-SLEEPERS?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

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 2024, 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 3 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).

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

Total estimated annual running cost is £1,690 141/month), broken down as £1245 fuel, £190 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 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 88 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 FIAT AUTO-SLEEPERS

The FIAT AUTO-SLEEPERS is actually the most reliable option among similar diesel large cars from this era. Here are comparable diesel cars with similar engines: