SUZUKI SX4 (2018)
Running costs, common problems, and reliability data based on 4,246 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
4,246
Avg Mileage
39,553 mi
Est. Annual Cost
£1,400
Is the 2018 SUZUKI SX4 reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the SUZUKI brand average of 82%.
At 6 years old, 91% of SUZUKI SX4s from 2018 passed their MOT first time in 2024. That's based on 4,246 tests across the UK. The average mileage at this age is 39,553 miles.
How does the 2018 SUZUKI SX4 compare?
Mileage Analysis
The average 2018 SUZUKI SX4 has 39,553 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
Best year to buy a SUZUKI SX4?
The most reliable year is the 2020 model with a 96% MOT pass rate, while the 2006 model has the lowest at 68%. The 2018 sits between the two at 91%.
How much does a 2018 SUZUKI SX4 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 SX4 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2020 | 96% | 650 | 27,786 mi |
| 2019 | 93% | 3,150 | 31,067 mi |
| 2018 | 91% | 4,246 | 39,553 mi |
| 2017 | 89% | 5,178 | 48,601 mi |
| 2016 | 88% | 5,352 | 58,722 mi |
| 2015 | 86% | 5,903 | 66,711 mi |
| 2014 | 82% | 10,448 | 72,614 mi |
| 2013 | 77% | 5,691 | 72,178 mi |
| 2012 | 73% | 3,558 | 77,215 mi |
| 2011 | 72% | 4,179 | 82,547 mi |
| 2010 | 72% | 3,714 | 89,318 mi |
| 2009 | 71% | 3,674 | 90,089 mi |
| 2008 | 71% | 4,618 | 95,199 mi |
| 2007 | 69% | 4,449 | 99,965 mi |
| 2006 | 68% | 1,744 | 100,733 mi |
Checking a specific SUZUKI SX4?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 SUZUKI SX4
The 2018 SUZUKI SX4 is a city car with a 998cc petrol engine. 4,246 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.
With an average of 39,553 miles at 6 years old, SUZUKI SX4 owners drive about as much as the UK average.
2018 SUZUKI SX4 Fuel Costs
The modest 998cc 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 2018 SUZUKI SX4?
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 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
SUZUKI SX4 Reliability Trend
Newer SUZUKI SX4s show better MOT pass rates than older ones, with an average improvement of 17 percentage points.
Buying a Used 2018 SUZUKI SX4
At 6 years old, the SUZUKI SX4 offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2020 model has the highest pass rate at 96%.
Alternatives to the 2018 SUZUKI SX4
The SUZUKI SX4 is actually the most reliable option among similar petrol city cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2016) 81% pass rate (-10%) from 205,128 tests
- VAUXHALL CORSA (2016) 81% pass rate (-10%) from 133,045 tests
- NISSAN QASHQAI (2017) 86% pass rate (-5%) from 100,176 tests
- VAUXHALL ASTRA (2016) 85% pass rate (-6%) from 92,988 tests