SUZUKI SWIFT SZ5 DUALJET MHEV (2021)
Running costs, common problems, and reliability data based on 1,279 real MOT tests in 2024.
MOT Pass Rate
95%
Total Tests (2024)
1,279
Avg Mileage
19,106 mi
Est. Annual Cost
£1,400
Is the 2021 SUZUKI SWIFT SZ5 DUALJET 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 SZ5 DUALJET MHEVs from 2021 passed their MOT first time in 2024. That's based on 1,279 tests across the UK. The average mileage at this age is 19,106 miles.
How does the 2021 SUZUKI SWIFT SZ5 DUALJET MHEV compare?
Mileage Analysis
The average 2021 SUZUKI SWIFT SZ5 DUALJET MHEV has 19,106 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
Best year to buy a SUZUKI SWIFT SZ5 DUALJET MHEV?
The most reliable year is the 2022 model with a 99% MOT pass rate, while the 2020 model has the lowest at 90%. The 2021 sits between the two at 95%.
How much does a 2021 SUZUKI SWIFT SZ5 DUALJET MHEV cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
SUZUKI SWIFT SZ5 DUALJET MHEV by Year
Checking a specific SUZUKI SWIFT SZ5 DUALJET MHEV?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 SUZUKI SWIFT SZ5 DUALJET MHEV
The 2021 SUZUKI SWIFT SZ5 DUALJET MHEV is a city car with a 1197cc hybrid engine. 1,279 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 19,106 miles at 3 years old, SUZUKI SWIFT SZ5 DUALJET MHEV owners drive about as much as the UK average.
2021 SUZUKI SWIFT SZ5 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 SZ5 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 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
SUZUKI SWIFT SZ5 DUALJET MHEV Reliability Trend
Newer SUZUKI SWIFT SZ5 DUALJET MHEVs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.
Buying a Used 2021 SUZUKI SWIFT SZ5 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. If you're flexible on year, the 2022 model has the highest pass rate at 99%.
Alternatives to the 2021 SUZUKI SWIFT SZ5 DUALJET MHEV
The SUZUKI SWIFT SZ5 DUALJET MHEV is actually the most reliable option among similar hybrid city cars from this era. Here are comparable hybrid cars with similar engines:
- TOYOTA YARIS (2019) 93% pass rate (-2%) from 41,554 tests
- MINI COOPER S (2019) 92% pass rate (-3%) from 33,682 tests
- VOLVO XC40 (2021) 93% pass rate (-2%) from 25,698 tests
- MINI COUNTRYMAN (2019) 93% pass rate (-2%) from 25,254 tests