How much is a 2018 Audi A4Diesel worth in Ireland?

The median asking price for a 2018 Audi A4Diesel on the Irish used-car market is around €18,995, based on 66 live listings tracked by Carintel.ie.

How much does a 2018 Audi A4 depreciate per year?

A Audi A4 loses roughly 12.0% of its value per year on the Irish used-car market based on Carintel.ie's regression across active listings.

Is it cheaper to import a 2018 Audi A4 from Northern Ireland?

It depends on spec, mileage and CO2. Carintel.ie compares ROI median prices against Northern Ireland listings' landed cost, including VRT, NOx levy and registration fees, so you can see the saving at a glance on this page.

What are the running costs of a 2018 Audi A4Diesel?

This page estimates annual running costs for a 2018 Audi A4Diesel using WLTP consumption data, current Irish fuel and electricity prices, and Irish motor tax bands.

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Data and calculations are in active development and changing regularly. Please do not make buying decisions based solely on this site, always verify with other sources.

Analysing market data

Fetching listings · computing fair value · building charts

Switch powertrain:Diesel · 82 Petrol · 21 Overview

Filter by trim, gearbox, source1 active

Trim:All Black Edition · 3 S Line · 9 SE · 23 Sport · 2 Unknown · 16

Gearbox:Manual · 48 Automatic · 4

Source:ROI All NI

Market Intelligence

Audi A42018

Diesel

€18,500ROI listing median

NI import est.€37,834

ROI cheaper by ~€19,334

28 days avg on market · Medium data confidence · VRT based on A10 (116–120 g/km) (20%), Revenue uses OMSP

Normal DemandHigh Confidence

Listing price range

€17k – €20k

middle 50% of listings

Listings

ROI active now

Updated 4d ago · ROI · Medium confidence

Expected price

Est. trade-in

Avg mileage

196k km

typical 192k km

Days listed

28d

avg on market · demand 54/100

AI Market Summary

Diesel engines need scrutiny: 2.0 TDI injector stiction and carbon build-up cause rough idle and power loss; budget €600–€1,200 per injector if cleaning fails.
DPF regeneration failures common on low-mileage urban examples; forced cleaning costs €400–€800. Check service history for regular motorway runs to prevent soot accumulation.
DSG 7-speed gearbox judder and hesitation on low-speed manoeuvres reported; software updates help but don't always fix fully. Test drive thoroughly in stop-start traffic.
At median price, this A4 sits mid-range for the year and market demand is solid (28-day average sell). Pricing fair but not bargain territory.
Before buying, request full service history and ask seller about recent DPF cleans, injector work, or gearbox software updates—evidence of preventive care is crucial.

AI-generated analysis · Carintel.ie · verify independently before purchasing

Analysis & Insights

Price Analysis Costs Import Recalls & Info

Vehicle specification

Manufacturer WLTP data

Power

168 bhp

150 PS

Torque

360 Nm

266 lb·ft

0–62 mph

8.35s

136 mph top

Engine

2.0L

2000 cc

Boot space

505L

1510L folded

Seats

3 doors

Fuel economy & emissions

Combined

58.95 mpg

4.8 L/100km

Urban

53.45 mpg

Extra urban

62.90000000000001 mpg

CO₂

120 g/km

EURO 6

Fuel tank

49L

Dimensions

Length

4.74m

4744 mm

Width

1.84m

Height

1.43m

Wheelbase

2.82m

Kerb weight

1,553 kg

2,165 kg gross

Safety & ownership

Insurance

Group 26E

Warranty

3 years

60,000 miles

Reliability & Safety Recalls

Audi A4 2018

Reliability

3/5

The 2018 Audi A4 diesel (B9 generation) is a competent executive saloon with a solid 2.0 TDI engine, but this generation is prone to DPF regeneration issues, DSG gearbox problems, and electrical gremlins that can become costly. Ownership experience is generally acceptable for careful buyers who stay on top of servicing, but real-world reliability is below class average. Value for money is reasonable if a full service history is present and major work has been completed.

Known issues

DPF regeneration failures and excessive soot accumulation, particularly on low-mileage or urban-driven examples; requires forced regeneration or DPF cleaning (€400–€800)
DSG 7-speed automatic gearbox judder on low-speed manoeuvres, hesitation during gear changes, and occasional loss of drive; software updates help but don't always resolve fully
2.0 TDI fuel injector stiction and carbon build-up, causing rough idle, reduced power, and check engine lights; cleaning or replacement needed (€600–€1,200 per injector)
Electrical water ingress in door handles, tailgate, and boot area leading to corrosion and intermittent window/lock failures
EGR valve sticking and carbon fouling, reducing efficiency and triggering emission warnings; replacement required (€500–€900)
12V auxiliary battery discharge issues; OEM batteries can fail prematurely, leaving the car immobilised (€150–€250 replacement)

Good for

Respectable fuel economy in real-world mixed driving (45–50 mpg) when DPF and injectors are clean
Comfortable motorway cruiser with refined cabin and good seat support over long distances
Competitive performance relative to petrol rivals; adequate torque for acceleration and overtaking
Strong residual value and parts availability due to high UK/Irish market penetration

Years to avoid: 2018, 2019

AI-generated summary · verify with DVSA & owner forums