SUZUKI SWACE SZ5 HEV CVT (2021)
Running costs, reliability data, and common problems from 648 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
94%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1798cc Hybrid
Great Choice
94% pass rate, £1777/year to run. 12 points above average.
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Annual Running Costs
~36 mpg
Flat rate (post-2017)
Low estimate due to excellent reliability
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the SUZUKI brand average of 82%.
At 5 years old, 94% of SUZUKI SWACE SZ5 HEV CVTs from 2021 passed their MOT first time in 2026. That's based on 648 tests across the UK. The average mileage at this age is 27,935 miles.
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How Does It Compare?
Mileage Analysis
27,935
Average miles
37,000
Expected for age
The average 2021 SUZUKI SWACE SZ5 HEV CVT has 27,935 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2020 model with a 97% MOT pass rate, while the 2021 model has the lowest at 94%. Consider a different year if reliability is a priority.
SUZUKI SWACE SZ5 HEV CVT by Year
Similar Cars to Consider
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About the 2021 SUZUKI SWACE SZ5 HEV CVT
The 2021 SUZUKI SWACE SZ5 HEV CVT is a family car with a 1798cc hybrid engine. 648 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 27,935 miles at 5 years old, SUZUKI SWACE SZ5 HEV CVT owners tend to use this car less than the typical driver.
2021 SUZUKI SWACE SZ5 HEV CVT Fuel Costs
The 1798cc hybrid engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 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 SWACE SZ5 HEV CVT?
Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
SUZUKI SWACE SZ5 HEV CVT Reliability Trend
The SUZUKI SWACE SZ5 HEV CVT has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2021 SUZUKI SWACE SZ5 HEV CVT
At 5 years old, the SUZUKI SWACE SZ5 HEV CVT offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Common Issues to Watch For
Based on the 2021 SUZUKI SWACE SZ5 HEV CVT's fuel type, age, and engine size, these are the most likely problem areas to check.
Hybrid Battery Health
Medium riskAfter 5 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.
Inverter and Power Electronics
Low riskThe inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.
Regenerative Braking
Medium riskBrake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2021 SUZUKI SWACE SZ5 HEV CVT stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| SUZUKI SWACE SZ5 HEV CVT(2021) | 94% | £1327 | £195 | Grp 18-32 | £1777 |
| TOYOTA YARIS(2019) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| MINI COOPER S(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| LAND ROVER RANGE ROVER SPORT(2019) | 94% | £1327 | £190 | Grp 18-32 | £1772-£5 |
| TOYOTA C-HR(2019) | 92% | £1327 | £190 | Grp 18-32 | £1772-£5 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Suzuki Models
Explore other Suzuki cars or similar models in the same category.
SUZUKI VITARA
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SUZUKI ALTO
2014 · 996cc Petrol
SUZUKI SWIFT
2015 · 1586cc Petrol
TOYOTA YARIS
2019 · 1497cc Hybrid
MINI COOPER S
2019 · 1499cc Hybrid
LAND ROVER RANGE ROVER SPORT
2019 · 1997cc Hybrid
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