CarVerify

Free Car Check

AX21 BYF

2021 Audi S4 Black ED TDI MHEV QUATTRO A

Blue Diesel 2967cc
Search another vehicle

MOT Status

Valid
Expires20 Nov 2026
Tests3 (3 pass, 0 fail)
Pass rate100%

Mileage

52,136 mi
Last recorded52,136 miles
Recorded on6 Nov 2025
Typical for 2021 Audi S4 Black ED TDI MHEV QUATTRO A34,436 mi

Significantly above average — investigate

4 checks still locked for this Audi
Stolen
Finance
Write-off
Keepers
Unlock full report — £4.99
Instant £30k guarantee
or single check £9.99

Not all car check providers offer a guarantee. Don't risk buying from services that can't back their data. CarVerify reports include a £30,000 finance data guarantee.

Vehicle Details

RegistrationAX21 BYF
MakeAudi
ModelS4 Black ED TDI MHEV QUATTRO A
Year2021
ColourBlue
Fuel typeDiesel
Engine2,967cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

3 pass
Pass 6 Nov 2025 52,136 miles

Offside Front Nail in tyre ()

Pass 30 Oct 2024 35,095 miles
Pass 21 Nov 2023 19,973 miles

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

How Reliable is the Audi S4 Black ED TDI MHEV QUATTRO A?

Based on 444 MOT tests across 305 vehicles.

93.2%
Pass Rate
9,108
Miles/Year
305
On UK Roads
Full Audi S4 Black ED TDI MHEV QUATTRO A reliability report

Don't risk it. Know before you buy.

Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

£30k guarantee Instant results Cancel anytime

AX21 BYF is a 2021 Audi S4 Black ED TDI MHEV QUATTRO A in Blue with a 2,967cc diesel engine. This vehicle has been through 3 MOT tests with a personal pass rate of 100%.

Across all 2021 Audi S4 Black ED TDI MHEV QUATTRO A models, the average MOT pass rate is 93.0% with a typical mileage of 34,436 miles. This particular vehicle has performed better than the average for its year.

Frequently Asked Questions

How do I check the history of AX21 BYF?

You can check the full history of AX21 BYF by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was AX21 BYF registered?

AX21 BYF is a 2021 Audi S4 Black ED TDI MHEV QUATTRO A, first registered on 26 June 2021.

Is AX21 BYF safe to buy?

The MOT history for AX21 BYF shows 3 tests with a 100% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does AX21 BYF have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on AX21 BYF. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.