The Audi B5 RS4 was introduced by Audi in late 1999, as the successor to the Audi RS2 Avant. The vehicle, like its RS2 predecessor, was available only as an Avant and was built on an existing platform, in this case the Volkswagen Group B5 platform shared with the A4 and S4. Although related to the Audi B5 S4, many of the outer body panels were altered, with wider front and rear wheel arches to allow for the wider axle track on the RS4. With unique front and rear bumpers and side sills and the rear spoiler from the S4 Avant not only did the RS4 look the part but the aerodynamic modifications achieved a drag coefficient of Cd 0.34.
The engine was developed from the 2.7 litre 90° V6 ‘biturbo’ used in the B5 S4. It displaced 2,671 cubic centimetres and had five valves per cylinder. This engine was developed and manufactured in the UK by Cosworth Technology. It featured enlarged intake and smaller exhaust ports on the two Cosworth cast aluminium alloy cylinder heads, two parallel BorgWarner K04-series turbochargers, two larger side-mounted intercoolers, dished piston crowns, stronger connecting rods, larger intake ducting, enlarged exhaust system and a re-calibrated engine management system. The modifications increased the engine’s output from 261 bhp and 295 lbft of torque in S4 to a mighty 375 bhp 325 lbft of torque.
Even with a kerb weight weight of 1,620 kilograms the RS4′s powerful engine gave it exhilarating performance with 60mph coming up in 4.9 seconds. Top speed was electronically limited to 162.8 mph.
Brakes were also developed jointly in house by Audi’s quattro GmbH, not by Porsche as with its predecessor, the RS2. At the front they were radially vented and floating cast iron discs, 360 millimetres diameter and 32 millimetres thick with double-piston floating calipers and at the rear 312 millimeters by 22 millimetres discs with a single-piston floating caliper. The RS4 needed less than 50 metres to come to a full stop from a speed of 68mph.
Audi produced 6,030 units between 1999 and 2001 of which only approxmately 400 examples were RHD.
Black Leather with Hi Tech fabric, Heated electric seats, Bose audio system, Black trim, Digital climate control, Arm rest, Roof rails, ESP, Cruise control, Electric mirrors.
This low-mileage example of Audi’s B5 RS4 Estate, presented in Avus Silver is in excellent condition. The paint work displays a deep shine with a metallic flake present making it sparkle under the studio lights. It looks fantastic with the wider front and rear wheel arches, unique, ground-hugging front and rear bumpers and side sills, and rear spoiler all contributing to a distinctive aggressive stance on the road.
RS4 badges front and rear help hint at it’s disguised super car underpinnings packed into a usable and daily vehicle, it’s not all about the power – a large boot and roof rails mean the car is also eminently practical.
Inside, the car is immaculate, with a subtle Quattro badge on the dash and a RS4 badge on the leather steering wheel. The front Recaro sports seats, clad in unmarked leather and supportive Hi Tech fabric, offer supreme comfort and grip assisted by an arm rest, pristine carpets and digital climate control.
In-car entertainment is offered by Bose sound system, featuring radio, cassette and single CD player all of which work as intended.
ENGINE & TRANSMISSION
The RS4’s engine is famous for its usability, with good torque low down, it is effortless as a daily machine or equally at home at speed.
The spotless example here is in great working order, hidden away behind a shiny black engine cover emblazoned with the famous Audi badge and the telling ‘V6 Biturbo’ legend.
WHEELS, TYRES & BRAKES
The 18-inch 9-spoke alloy wheels on this example are in fantastic condition showing no curb or scuff marks. The hub caps are in a darker shade of grey bearing the famous Audi four interlocking rings and again are in pristine condition.
The alloys are wrapped in a recent set of Michelin Pilot Sport 3 tyres, showing plenty of tread all round.
Registered in September of 2000 by Franklin Audi a combination of the supplying dealer and Lancaster Audi would service the car for the first 3 years / 25k miles.
With a total of 10 specialist stamps since 2003 this B5 has had everything it has needed during the modest mileage covered. The last service was in October of ’16 at 61,571 miles which included rear brake discs and pads, with the last cambelt service was in July of ’15 at 57k miles.
The car is exceptionally rare in that it presents as sold from the showroom with no modifications whatsoever,
Every Invoice and MOT from new is featured in the History file; excellent provenance that ties in with a total of 14 service stamps in the original service book. All original literature, spare and valet key are included.
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