Audi A4 Technik 35 TFSI MHEV S A (2021)
2021 Audi A4 Technik 35 TFSI MHEV S A
CarHunch analysed 281 real MOT records for the 2021 Audi A4 Technik 35 TFSI MHEV S A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2021 Audi A4 is significantly more reliable than average, with a 92.7% first-time pass rate that comfortably beats the UK average of 80%—and dangerous defects are rare, affecting just 5.7% of vehicles. The petrol engine variant maintains that strong performance at 92.6%, making it a dependable choice for buyers prioritising safety and durability.
At 39,443 miles on average for a 2021 model, these cars are running well within normal wear parameters, which explains why the failure rate is exceptionally low at 0.21 per vehicle. The modest 1.5 advisories per car suggest routine maintenance rather than systemic issues, so check the full service history before buying and you should expect a trouble-free ownership experience.
What to check before buying a 2021 Audi A4 Technik 35 TFSI MHEV S A
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Audi A4 Technik 35 TFSI MHEV S A
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (97%) | 273 | 92.6% | 0.21 |
| Other (2%) | 6 | 100% | 0 |
| Hybrid Electric (Clean) (1%) | 2 | 87.5% | 0.5 |
Mileage Distribution
Most 2021 Audi A4 Technik 35 TFSI MHEV S A vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2021 Audi A4 Technik 35 TFSI MHEV S A vehicles fall between 24,526 and 47,436 miles.
MOT History Averages
Found a specific Audi A4 Technik 35 TFSI MHEV S A?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.