CarCostCheck

FIAT 500 C ROCKSTAR MHEV (2021)

Running costs, common problems, and reliability data based on 40 real MOT tests in 2024.

MOT Pass Rate

100%

Total Tests (2024)

40

Avg Mileage

16,646 mi

Est. Annual Cost

£1,400

Is the 2021 FIAT 500 C ROCKSTAR MHEV reliable?

Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the FIAT brand average of 83%.

At 3 years old, 100% of FIAT 500 C ROCKSTAR MHEVs from 2021 passed their MOT first time in 2024. That's based on 40 tests across the UK. The average mileage at this age is 16,646 miles.

How does the 2021 FIAT 500 C ROCKSTAR MHEV compare?

Rank among all 2021 cars58th out of 3,373(top 2%)
Rank among all FIAT models14th out of 818(top 2%)
vs national average+18% (82% avg)
vs 2021 cars average+8% (92% avg)
vs FIAT average+17% (83% avg)

Mileage Analysis

The average 2021 FIAT 500 C ROCKSTAR MHEV has 16,646 miles on the clock, which is below the expected 22,200 miles for a 3-year-old car. This suggests lighter use than average, which generally means less wear on major components.

How much does a 2021 FIAT 500 C ROCKSTAR MHEV cost to run?

Fuel (Petrol, 999cc)
£955
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,400
Per month£117/mo

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

FIAT 500 C ROCKSTAR MHEV by Year

YearPass RateTestsAvg Mileage
2021100%4016,646 mi
2020100%5024,435 mi

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About the 2021 FIAT 500 C ROCKSTAR MHEV

The 2021 FIAT 500 C ROCKSTAR MHEV is a city car with a 999cc petrol engine. 40 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 2% of all 2021 cars for reliability.

With an average of 16,646 miles at 3 years old, FIAT 500 C ROCKSTAR MHEV owners tend to use this car less than the typical driver.

2021 FIAT 500 C ROCKSTAR MHEV Fuel Costs

The modest 999cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 FIAT 500 C ROCKSTAR MHEV?

Total estimated annual running cost is £1,400 117/month), broken down as £955 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2021 FIAT 500 C ROCKSTAR MHEV

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 40 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2021 FIAT 500 C ROCKSTAR MHEV

The FIAT 500 C ROCKSTAR MHEV is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines: