How much is a 2018 Audi Q8Diesel worth in Ireland?

The median asking price for a 2018 Audi Q8Diesel on the Irish used-car market is around €51,475, based on 4 live listings tracked by Carintel.ie.

How much does a 2018 Audi Q8 depreciate per year?

A Audi Q8 loses roughly 13.3% 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 Q8 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 Q8Diesel?

This page estimates annual running costs for a 2018 Audi Q8Diesel 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

Filter by trim, gearbox, source1 active

Source:ROI All NI

Market Intelligence

Audi Q82018

Diesel

€51,475ROI listing median

€57,238All listing median

NI import est.€56,653

ROI cheaper by ~€5,178

30 days avg on market · Low data confidence · VRT based on D (est. ~145 g/km) (27%), Revenue uses OMSP

Normal DemandLimited Data

Listing price range

€53k – €66k

25th to 75th percentile

Listings

all active now

Updated 10h ago · all · Low confidence

Median listing price

€57,238

private sale ~€54,811 Pricing assumptionsAssumptions· Good condition, full service history· No outstanding finance or damage· Based on ads seen in the past 30 days

Est. trade-in

€37,100 – €45,050

15–30% below private sale

Avg mileage

131k km

typical 125k km

Days listed

30d

avg on market · demand 49/100

AI Market Summary

Impressive cabin tech and spacious interior, but German reliability comes at a premium service cost — budget accordingly for diagnostics.
At median price, fairly valued against rivals; however, diesel engines face headwinds in Irish market, limiting resale appeal post-2025.
DPF clogging is common on this era — budget €800–€1,500 for cleaning or replacement if warning lights appear during test drive.
Check service history meticulously: EGR valve carbon buildup causes rough idle and power loss; ask dealer for emissions test records before purchase.
Gearbox hesitation and low-speed shudder reported; request smooth acceleration and downshift behaviour during extended test drive on varied roads.

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

Analysis & Insights

Price Analysis Costs Import Recalls & Info

Vehicle specification

Manufacturer WLTP data

Power

282 bhp

286 PS

Torque

600 Nm

443 lb·ft

0–62 mph

6.1s

151 mph top

Engine

3.0L

3000 cc

Boot space

680L

1755L folded

Seats

5 doors

Fuel economy & emissions

Combined

37.25 mpg

7.65 L/100km

Fuel tank

75L

Dimensions

Length

4.99m

4986 mm

Width

2.19m

Wheelbase

3.00m

Kerb weight

2,153 kg

2,890 kg gross

Safety & ownership

Euro NCAP

★★★★★

Adult 93% · Child 87%

Insurance

Group 48E

Road tax (UK)

£620

per year

Warranty

3 years

60,000 miles

Reliability & Safety Recalls

Audi Q8 2018

Reliability

3/5

The 2018 Audi Q8 diesel is a premium SUV with a complex turbocharged engine and sophisticated emissions systems that demand careful maintenance. While generally well-built, the 3.0 TDI engine is prone to DPF and EGR issues, and the multi-speed automatic gearbox can develop electrical faults. Strong performance and luxury features, but ownership costs are significantly higher than mainstream rivals and repair bills can be steep.

Known issues

Diesel particulate filter (DPF) clogging and regeneration failures leading to limp mode and expensive cleaning/replacement (€800–€1,500)
EGR valve carbon buildup and cooler leaks causing rough idle, increased emissions, and loss of power
8-speed Tiptronic automatic gearbox with occasional hesitation, shuddering on downshifts, and DSG-style judder during low-speed manoeuvres
Timing chain tensioner noise on cold start; premature stretch reported in some units requiring engine work (€2,000+)
AdBlue system malfunctions including heater failures and sensor errors preventing engine restart if tank empty
MMI infotainment system software glitches causing screen freezing and Bluetooth/navigation dropouts

Good for

Powerful 286 hp 3.0 TDI engine delivering strong motorway performance and towing ability (3,500 kg braked)
Spacious seven-seat cabin with premium materials and comfort features; excellent for family long-distance journeys
Smooth adaptive suspension and responsive steering for a large SUV; good refinement at cruising speeds
Strong resale value among premium second-hand buyers; desirable model in the Audi SUV range

Years to avoid: 2018, 2019

AI-generated summary · verify with DVSA & owner forums

Safety Recalls2 found

Airbags2019

Takata airbag inflator rupture risk in driver and passenger front airbags

Remedy: Airbag module replacement with updated non-Takata units

llm-1775657780210

Fuel System2018

Fuel pump module failure in 3.0 TDI engines; risk of fuel leakage and fire hazard

Remedy: Fuel pump module replacement

DVSA

AI-generated · verify at gov.uk/check-vehicle-recall

Potential value opportunities

ROI + NI · by value score

Audi Q8 3.0 TDI 286HP QUATTRO S LINE...

€49,950

+3% vs expected price

135k km · automatic · Dublin · 20d

S Line

See ad

2018 Audi Q8 50 TDI Quattro S Line 5dr Tiptronic Video Review •

£30,950→€61,476imported

+3% vs expected price

NI Import

NI → ROI import costs

Assumes the car is NI-registered (no customs duty or VAT under Windsor Framework). Includes VRT + NOx levy + registration + transport. Click for full breakdown.

116k km · automatic · Cullybackey · 34d

S Line

See ad

Audi Q8 3.0 TDI 286PS S line 50 Quattro Auto 5D

€53,000

+9% vs expected price

177k km · automatic · Galway City, Galway · 33d

S Line

See ad

2018 Audi Q8 50 TDI Quattro S Line 5dr Tiptronic Video Review •

£34,990→€66,243imported

+25% vs expected price

NI Import

NI → ROI import costs

Assumes the car is NI-registered (no customs duty or VAT under Windsor Framework). Includes VRT + NOx levy + registration + transport. Click for full breakdown.

96k km · automatic · Strabane · 34d

S Line

See ad

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