CarCostCheck

SUZUKI SWIFT SPORT BOOSTERJET MHEV (2021)

Running costs, common problems, and reliability data based on 1,003 real MOT tests in 2024.

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MOT Pass Rate

95%

Total Tests (2024)

1,003

Avg Mileage

19,921 mi

Est. Annual Cost

£1,582

Is the 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV reliable?

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

At 3 years old, 95% of SUZUKI SWIFT SPORT BOOSTERJET MHEVs from 2021 passed their MOT first time in 2024. That's based on 1,003 tests across the UK. The average mileage at this age is 19,921 miles.

How does the 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV compare?

Rank among all 2021 cars820th out of 3,373(top 24%)
Rank among all SUZUKI models61th out of 310(top 20%)
vs national average+13% (82% avg)
vs 2021 cars average+3% (92% avg)
vs SUZUKI average+13% (82% avg)

Mileage Analysis

The average 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV has 19,921 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.

How much does a 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV cost to run?

⛽Fuel (Petrol, 1373cc)
£1,137
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,582
Per month£132/mo

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

SUZUKI SWIFT SPORT BOOSTERJET MHEV by Year

YearPass RateTestsAvg Mileage
202293%5420,025 mi
202195%1,00319,921 mi
202094%77125,401 mi

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About the 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV

The 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV is a small family car with a 1373cc petrol engine. 1,003 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 24% of all 2021 cars for reliability.

With an average of 19,921 miles at 3 years old, SUZUKI SWIFT SPORT BOOSTERJET MHEV owners drive about as much as the UK average.

2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV Fuel Costs

The 1373cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 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 SUZUKI SWIFT SPORT BOOSTERJET MHEV?

Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 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.

SUZUKI SWIFT SPORT BOOSTERJET MHEV Reliability Trend

The SUZUKI SWIFT SPORT BOOSTERJET MHEV has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.

Buying a Used 2021 SUZUKI SWIFT SPORT BOOSTERJET 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.

Alternatives to the 2021 SUZUKI SWIFT SPORT BOOSTERJET MHEV

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines: