CarCostCheck

SUZUKI SWIFT SZ-L DUALJET MHEV (2021)

Running costs, common problems, and reliability data based on 6,056 real MOT tests in 2024.

MOT Pass Rate

96%

Total Tests (2024)

6,056

Avg Mileage

21,027 mi

Est. Annual Cost

£1,400

Is the 2021 SUZUKI SWIFT SZ-L DUALJET MHEV reliable?

Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the SUZUKI brand average of 82%.

At 3 years old, 96% of SUZUKI SWIFT SZ-L DUALJET MHEVs from 2021 passed their MOT first time in 2024. That's based on 6,056 tests across the UK. The average mileage at this age is 21,027 miles.

How does the 2021 SUZUKI SWIFT SZ-L DUALJET MHEV compare?

Rank among all 2021 cars468th out of 3,373(top 14%)
Rank among all SUZUKI models32th out of 310(top 10%)
vs national average+14% (82% avg)
vs 2021 cars average+4% (92% avg)
vs SUZUKI average+14% (82% avg)

Mileage Analysis

The average 2021 SUZUKI SWIFT SZ-L DUALJET MHEV has 21,027 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 SZ-L DUALJET MHEV cost to run?

Fuel (Hybrid, 1197cc)
£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.

SUZUKI SWIFT SZ-L DUALJET MHEV by Year

YearPass RateTestsAvg Mileage
202296%10120,399 mi
202196%6,05621,027 mi
202093%27826,823 mi

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About the 2021 SUZUKI SWIFT SZ-L DUALJET MHEV

The 2021 SUZUKI SWIFT SZ-L DUALJET MHEV is a city car with a 1197cc hybrid engine. 6,056 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 14% of all 2021 cars for reliability.

With an average of 21,027 miles at 3 years old, SUZUKI SWIFT SZ-L DUALJET MHEV owners drive about as much as the UK average.

2021 SUZUKI SWIFT SZ-L DUALJET MHEV Fuel Costs

The modest 1197cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2021 SUZUKI SWIFT SZ-L DUALJET 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 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

SUZUKI SWIFT SZ-L DUALJET MHEV Reliability Trend

The SUZUKI SWIFT SZ-L DUALJET MHEV has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2021 SUZUKI SWIFT SZ-L DUALJET 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. With 6,056 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2021 SUZUKI SWIFT SZ-L DUALJET MHEV

The SUZUKI SWIFT SZ-L DUALJET MHEV is actually the most reliable option among similar hybrid city cars from this era. Here are comparable hybrid cars with similar engines: