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2004–2008 · Petrol · 4163 cc

Audi A4 B7 S4 4.2 V8: motor tax, specs and NCT

Motor tax on a Audi A4 B7 S4 4.2 V8 in Ireland is €1,809 a year. Cars registered before July 2008 are taxed on engine size and later ones on CO2, so the same car can cost very different amounts depending on its registration date.

Motor tax by year of first registration

RegisteredBandCO2Per year6 months3 months
2004Over 3000cc
engine size
—€1,809€1,004€511
2005Over 3000cc
engine size
—€1,809€1,004€511
2006Over 3000cc
engine size
—€1,809€1,004€511
2007Over 3000cc
engine size
—€1,809€1,004€511
2008 Jan–Jun 2008Over 3000cc
engine size
—€1,809€1,004€511
2008 Jul–Dec 2008—
CO2
—Not known: official CO2 figure not found——

Where a range is shown, official CO2 varies by body style, gearbox and economy version (for example BlueMotion or EfficientDynamics). The bold figure is the middle of that range.

Vintage tax and NCT

Vintage tax
The earliest cars turn 30 in 2034. From then they can be taxed in the vintage class at €56 a year.
NCT
NCT every year: a 2004 car is about 22 years old, and cars over 10 are tested annually. (for the oldest cars; newer ones may be on a different schedule)

Specification

Years
2004–2008
Body
Estate, 5 doors
Fuel
Petrol
Engine
4,163 cc
Power
344 bhp
Torque
410 Nm
Gearbox
Manual or auto
Drive
AWD
0–62 mph
5.6 s
Top speed
155 mph
Seats
5
Weight
1,710 kg

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Other Audi A4 B7 versions

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Motor tax rates: Department of Transport schedule (unchanged in Budgets 2025 and 2026), checked 2026-09. CO2: official UK type-approval figures from the Vehicle Certification Agency; Irish-market versions can differ slightly. Your car's exact CO2 and band are on its registration certificate, and motortax.ie shows the rate for a given registration. Pre-July 2008 cars are taxed on engine size; July 2008–2020 on NEDC CO2; 2021 on, on WLTP CO2.