Audi RS 6: used car test –

Hats off to the tight ten cylinders in the Audi RS 6

Everyday life has a break: How To Cars takes a used Audi RS 6 with 580 PS to the chest. There are a few things to consider with the V10 biturbo.

GIf you oog for “Audi RS 6 with V10”, the search engine reveals in the related search queries that many users are interested in the Potential for appreciation of the sports model. No wonder, there will probably never be a V10 biturbo again in a station wagon or sedan. Audi built the exceptional unit for just three years. The big chunk (280 kg) on ​​the front axle, all-wheel drive, six-speed automatic and the inherently lavish equipment add up over 2.1 tons empty weight. There are better omens for the racetrack, but with the Dynamic Ride suspension (minimizes roll and pitching movements), high-traction quattro all-wheel drive (slightly rear-heavy) and foolproof handling, it nibbled RS 6 even competitors like the BMW M5 Touring – not only in terms of longitudinal dynamics, but also in tricky corners between the start and finish line. There was the M5 (at that time also with V10) almost four hundredweight lighter.

€ 50,970

Array RS6 4.0 TFSI qu Avant, petrol

90,950 km
412 kW (560 hp)

Petrol, 9.8 l / 100km (comb.) CO2 232 g / km *

€ 57,390

Audi RS6 Avant quattro, petrol

119,600 km
412 kW (560 hp)

Petrol, 9.6 l / 100km (combined) CO2 228 g / km *

€ 57,458

Audi RS6 4.0 TFSI quattro Avant 21-INCH LEDE, petrol

75,450 km
412 kW (560 hp)

Petrol, 9.6 l / 100km (combined) CO2 228 g / km *

€ 57,800

Audi RS6 4.0 TFSI quattro Avant l Sof, petrol

46,843 km
412 kW (560 hp)

Petrol, 9.6 l / 100km (combined) CO2 223 g / km *

€ 58,636

Audi RS6 4.0 TFSI quattro Avant OPTIK-SCHWARZ PANORAM, petrol

75,450 km
412 kW (560 hp)

Petrol, 9.6 l / 100km (combined) CO2 228 g / km *

€ 59,950

Audi RS6 4.0 TFSI quattro Avant performance, petrol

128,242 km
445 kW (605 hp)

Petrol, 9.6 l / 100km (combined) CO2 228 g / km *

€ 60,950

Array RS6 Avant 21, petrol

65,990 km
412 kW (560 hp)

Petrol, 9.6 l / 100km (combined) CO2 223 g / km *

71636 Ludwigsburg, AUDI Ludwigsburg GW

06110 Halle (Saale), Autohaus Huttenstrasse GmbH

02625 Bautzen, Autohaus Bernhard Matticzk GmbH

13156 Berlin, Car Selection CSG GmbH

02625 Bautzen, Autohaus Bernhard Matticzk GmbH

41063 Mönchengladbach, Waldhausen & Bürkel GmbH & Co Kg

92360 Mühlhausen, Auto beer cutter VW Mühlhausen

Many of the Audi RS 6s offered are listed with around 700 hp

Audi RS 6 Avant

Used RS 6 Avant (generation C6) start at around 20,000 euros, then have over 200,000 kilometers on the clock. The V10 can easily handle that.

© Sven Krieger / AUTO BILD

Due to the weather (production already took place in February), we were only allowed to give our test car the spores carefully. Its full potential remained hidden from us, but the sheer power can also be experienced at low speed. Gigantic boost in all situations, an automatic system that knows how to deal with it and prevents unnecessary downshifts. The undramatic, turbo-insulated V10 sound and the generous space available the RS 6 seem suitable for everyday use, at least if you scroll past the consumption display in the on-board computer. The loaders shovel the air into the ten combustion chambers with a maximum of 0.7 bar. There is more to it than that, many thought RS-6-Owner and missed theirs Audi a performance boost. It feels like every second offer in the online exchanges is far from its original performance, mostly around 700 hp are given. You can also do well, says Tilman Trost from the RS Clinic. Of the VW-Development engineer calls the Biturbo a “bomb engine”, which with adapted peripherals can also handle 1000 HP without having to change anything on the fuselage. And with the piston tipper problem of the S6 / S8 with a 5.2 liter V10 vacuum cleaner, the RS-6-Motor nothing on the hat.

The blow-off valves of the turbocharger can come under stress

Trost points out the two diverter valves on the turbocharger. Especially in performance-enhanced models, they are plagued by leaks, as the plastic membranes suffer from the heat from the exhaust manifold. Incorrect boost pressure values ​​can then lead to increased supercharger speeds and, in the long term, to the failure of the turbos. The exchange of the valves costs 250 euros per side, as they are glued to the air filter boxes. Trost recommends a heat-resistant upgrade made of metal (150 euros each). In addition, the transmission input shaft is well served with the series output. In some cases it came to demolition after an increase in performance. If you really want to know it with 700 or more hp, you should therefore go to a reinforced input shaft invest.

Technical specifications
engine V10 Biturbo / front lengthways
Valves / camshafts 4/2
Displacement 4991 cc
power 426 kW (580 hp) at 6250 rpm
Torque 650 Nm at 1500 rpm
Maximum speed 280 km / h
0-100 km / h 4.4 s
Tank / fuel 80 l / Super Plus
Gearbox / drive 6-speed automatic / all-wheel drive
Length Width Height 4928/1889/1460 mm
Trunk volume 565-1669 L.
Empty weight / payload 2146/509 kg

Many workshops are not familiar with the V10 biturbo

Audi RS 6 Avant

Something can go wrong with this unit when changing the oil. And you need a special tool to change the spark plug.

© Sven Krieger / AUTO BILD

Many Standard work is hardly possible in the completely enclosed engine compartment. For the replacement of the starter or the water pump, the repair specifications amount to over 13 hours, because the V10 has to be drained for this. This madness is however only for experienced screwdrivers. The first time you come into contact, you may fail to change the oil in the dry sump motor. Several drain plugs want to be opened so that the used oil really drains off completely. Incidentally, Consolation recommends Fixed intervals for oil changes after 15,000 kilometers at the latest. And one should not deviate from the manufacturer’s specification for the type of oil. Then the engine holds out for a long time: Mileage over 200,000 kilometers is no problem. Anyone looking for value growth is more likely to be looking for a model with less than 100,000 kilometers on the watch. With a bit of luck, these are also available for less than 30,000 euros. But probably not that long.

Conclusion: The Audi RS 6 6C / 4F with its V10 biturbo stands out from its eight-cylinder ancestral gallery. Anyone interested in this exceptional talent should get hold of it soon. Prices are already stabilizing.

Test consumption 16.4 l SP / 100 km
CO2 333 g / km
inspection 550-800 euros
Liability (17) * 611 euros
Partially comprehensive (29) * 423 euros
Fully comprehensive (28) * 1194 euros
Motor vehicle tax (Euro 4) 337 euros
Spare part prices **
Alternator (AT) 1486 euros
Starter (AT) 2077 euros
Water pump (AT) 2285 euros
Timing belt not applicable, timing chain
Main silencer 778 euros
Front left fender, painted 1482 euros
Brake discs and pads 1407 euros
* Online tariff of the HUK24 insurance: registration in Hamburg, driver only policyholders and partners (25 years old), annual mileage 15,000 km, no-claims class 1; ** Prices including wages and 19 percent sales tax

* Further information on the official fuel consumption and the official specific CO2 emissions and, if applicable, the power consumption of new cars can be found in the “Guide to Official Fuel Consumption”, which is available free of charge at all sales outlets and from “Deutsche Automobil Treuhand GmbH” (www

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