Skip advert
Advertisement
Long-term tests

Audi TT Final Report: 9,357 miles

A late problem with an exhaust sensor couldn’t blot our coupé’s copybook after a thrilling 12 months on our fleet

Our Audi TT has been getting a bit hot under the collar lately – and it’s got nothing to do with fiery volcanic ash in the atmosphere or the UK’s sizzling summer weather.

Rather, the temperature was rising under the coupé’s stylish bodywork. And according to the car’s manual, when two amber warning lights started flashing on the TT’s instrument panel, it was down to the diesel’s glowplug and the engine management system and catalytic converter. The handbook was unequivocal in the course of action. ‘Get it to your dealer IMMEDIATELY!’

Advertisement - Article continues below

I called my local franchise in Southend, Essex, to seek further advice. “It’s okay to drive, but bring it in asap – we wouldn’t advise you take it anywhere too far, say like John O’Groats!”

A couple of days later, the TT was in a service bay at Southend Audi, with the diagnosis that a faulty exhaust gas temperature sensor was the culprit. But the guilty part wasn’t in stock and another visit was needed the following week to do the job.

The return trip also allowed work to be carried out on a ‘mystery’ recall. The dealer listed it as a Code 23D8, which involved modifying the drainage tubes for the air-conditioning system.

Skip advert
Advertisement
Skip advert
Advertisement - Article continues below

Used - available now

Tucson

2023 Hyundai

Tucson

6,176 milesAutomaticPetrol1.6L

Cash £21,515
View Tucson
Fiesta

2021 Ford

Fiesta

53,719 milesManualPetrol1.0L

Cash £9,453
View Fiesta
Aygo X

2024 Toyota

Aygo X

8,133 milesManualPetrol1.0L

Cash £17,917
View Aygo X
Stonic

2020 Kia

Stonic

35,703 milesAutomaticPetrol1.0L

Cash £13,387
View Stonic

I thought I’d check out with Audi UK how many TTs were affected – and guess what? It assured me there was no such thing as 23D8. However, a quick trawl through various online forums suggests I’m not the only TT owner to have this work done.

Anyhow, the Coupé is now back to its usual reliable and brilliant self. We’ve clocked up a total mileage of 9,350 across the editorial team – and apart from the sensor and recall, the 2.0 TDI continues to run smoothly, powerfully and economically. We’re averaging just over 37mpg, which is great for this type of car.

Advertisement - Article continues below

Even after a year on our fleet, the TT still turns heads thanks to its beautiful lines, distinctive optional Petrol Blue paint finish and muscular 19-inch alloys. Be warned, though – those rims are all too easy to scuff if you spend a lot of time driving in town!

Inside, the TT’s beautiful leather-trimmed cabin has worn well. The seats are supportive and comfortable, no matter what size or shape the occupants.  And the Audi continues to surprise and impress everyone with its practical boot. It really is amazing what will fit in with the rear seats down – we even carried a bike in it!

But then, this TT is full of surprises – none more so than what lies under the bonnet. The 2.0-litre TDI engine sounds positively sporty for a diesel, yet it’s smooth, refined and has bags of torque for those occasions when you need to put your foot down. Yes, the TT ownership experience has been a joy – even when the temperature rises! I can think of only one car this summer that could replace it – and that’s the TT Roadster!
 

Extra Info

“The Audi is heading off into the sunset,and according to Glass’s Guide it should still be worth £24,750 – a drop of £2,865. That’s not bad after a year and 10,000 miles. The Government’s new road tax regime has also seen the cost of an annual disc fall by £10 since we took delivery last May.”

Ross Pinnock
Road test editor

Skip advert
Advertisement

New & used car deals

Nissan Juke

Nissan Juke

RRP £19,805Avg. savings £5,180 off RRP*Used from £7,595
Volkswagen Tiguan

Volkswagen Tiguan

RRP £38,050Avg. savings £3,270 off RRP*Used from £27,865
Audi A3

Audi A3

RRP £26,310Avg. savings £2,444 off RRP*Used from £9,495
Vauxhall Corsa

Vauxhall Corsa

RRP £19,705Avg. savings £6,086 off RRP*Used from £8,938
* Average savings are calculated daily based on the best dealer prices on Auto Express vs manufacturer RRP
Skip advert
Advertisement

Most Popular

Can you park over a dropped kerb? Blocked driveways, rights and the law explained
Dropped kerb - header image

Can you park over a dropped kerb? Blocked driveways, rights and the law explained

A dropped kerb allows vehicles to legally cross the pavement between the road and a private driveway or parking space, here’s everything you need to k…
Tips & advice
22 Jun 2026
VW ID. Buzz gets new Good-Night package for camper van capability
VW ID. Buzz with the Good-Night package - front 3/4 open with furniture

VW ID. Buzz gets new Good-Night package for camper van capability

We’ve been waiting for VW to transform the ID. Buzz into a modern camper
News
24 Jun 2026
Four new Land Rover Defender Classic V8s with wild colour-changing paint go to one customer
Classic Land Rover Defender V8 range

Four new Land Rover Defender Classic V8s with wild colour-changing paint go to one customer

You’re not likely to see these special Land Rover Defenders doing work around the farm anytime soon
News
23 Jun 2026