AUDI

AUDI A4 DIESEL AVANT S4 TDI Quattro Vorsprung 5dr Tiptronic

Fuel

FuelDiesel

Transmission

TransmissionAutomatic

Acceleration

0 - 62 mph4.9s

WLTP - CO2 (g/km)

WLTP - CO2189 g/km

The Audi S4 Avant moves to diesel power - and very potent diesel power at that. The 3.0-litre V6 TDI diesel puts out 347PS and a thumping 700Nm of pulling power, making it certain that in real world terms, it'll be quicker from point to point than the previous petrol model. There's life in diesel power yet.

S4 SPEED & SENSIBILITY

The fifth generation Audi A4 offers potent performance in S4 guise - and decent practicality with the Avant body style. This is an estate that doesn't shout about its speed, despite it being faster than ever in TDI diesel form. Jonathan Crouch reports.

Ten Second Review

The Audi S4 Avant moves to diesel power - and very potent diesel power at that. The 3.0-litre V6 TDI diesel puts out 347PS and a thumping 700Nm of pulling power, making it certain that in real world terms, it'll be quicker from point to point than the previous petrol model. There's life in diesel power yet.

Background

The S4 Avant has been a fixture in Audi's range since 1991 and has largely followed the same formula. Sure, engine-wise, it might have been offered with (in order of appearance) a turbocharged in-line five, a V8, a twin turbo V6, another V8 and a supercharged V6, but all have been mounted up front with power sent to all four wheels. All have also been available in saloon and estate body styles too. The big change here is the switch to diesel power. We'll get to that. The other main thing that all previous S4 Avant models have shared is discreetness. Unlike some rivals, this Audi has never shouted about the level of performance it offers. There might be extra exhaust pipes, subtle badging and some attractive alloy wheels but Ingolstadt has always avoided bulging arches, vents and in your face body kits. And so we come to this current S4 TDI model. How does it stack up to its predecessors?

Driving Experience

Where once the S4 Avant was powered by a normally aspirated 4.2-litre V8, then a turbo 3.0-litre V6, these days, it's pulled along by a mild hybrid 3.0-litre TDI diesel unit that produces 347PS and 700Nm of pulling power, good enough to get this car from rest to 62mph in just 4.8s, which is only a tenth slower than the previous 3.0-litre TFSI V6 petrol unit could manage. Top speed, as before, is artificially pegged at 155mph. The engine utilises a large turbo, which is partly driven by a little electric compressor, as well as exhaust gases. Audi claims that this set-up minimises the effects of turbo lag, with the system being automatically activated whenever the requested engine load exceeds the capabilities of the turbocharger. To go with this change of engine, Audi has upgraded this car in a number of other areas, adding in Progressive steering, refining the sports suspension and incorporating a revised chassis platform, which controls the car's quattro 4WD system. The transmission remains an 8-speed Tiptronic auto unit, but this set-up's impressively quick-reacting and smooth. Not so good is the lowered 'S' Sports suspension, which will be rather over-firm for some, though you can improve it by paying extra for a 'CDC' 'Continuous Damper Control' system that can be tweaked via the settings of the standard 'drive select' driving dynamics system. As well as also altering steering weight, throttle response and stability control thresholds, the 'drive select' modes can also influence the optional 'Quattro Sport differential' system, which constantly varies the amount of drive to each of the rear wheels for extra cornering traction.

Design and Build

Like the regular A4, the S4 is based on Audi's 'MLB' platform that uses a combination of high strength steels and aluminium to reduce weight. The S4 has sports suspension that makes it 23mm closer to the ground than a normal A4. To look at this model externally, you'd be hard pushed to know how potent the S4 is. There are the now traditional aluminium-look mirror housings, four exhaust tips, a subtle lip on the boot lid, plus S4 specific front and rear bumpers. Unlike the exterior which is very much an evolution of previous generation S4 models, the interior is a lot more avant garde. There's a flat bottomed S4 badged steering wheel, matt brushed aluminium inlays for various trim pieces and predominantly black fabrics and trim everywhere else. There are 'S' sports seats in Nappa leather and Alcantara that not only hold the driver tighter than a regular seat, they also have a massage function too. There is of course plenty of room for five passengers inside, while the 480-litre boot (505-litre in the Avant) should take a fair amount of luggage too.

Market and Model

You'll need a £49,400 budget for your S4 Avant, this estate body style costing around £1,500 more than its saloon counterpart. That prices the car in direct competition with cars like BMW's M340i xDrive and the Mercedes-AMG C 43. If it's the Audi you want and the asking price is agreeable, the first question you need to ask yourself is whether you prefer your Teutonic express as either a saloon or estate. While the saloon may be a little lighter, if you're going for subtle speed, an estate seems the obvious choice. For your money, you get S sport suspension, 18" wheels, S-specific styling cues inside and out including model specific bumpers, plus leather and Alcantara sports seats inside. As with any Audi, it's all too easy to bump the price up by a five figure sum if you option stuff like the 19" wheels, sports rear differential, head up display and the Audi virtual cockpit. At least you shouldn't have to pay out for additional safety features. On top of everything we've come to expect, there's adaptive cruise control with traffic jam assist so the car almost drives itself up to 40mph. For when you are in full control, there's park assist, a cross traffic warning, plus autonomous braking.

Cost of Ownership

This S4's new mild-hybrid diesel engine uses a 48-volt belt-driven alternator starter, a 0.5kWh lithium-ion battery pack and an energy recuperation system. Audi claims exemplary fuel economy, thanks to a revised engine control unit which shuts off the combustion engine when coasting at speeds between 34mph and 99mph. The engine management system decides in every situation whether coasting, freewheeling or recuperation (the recovery of kinetic energy), is most efficient. It does this using information from the navigation system and the onboard sensors. The energy recovered by the water-cooled belt alternator starter during coasting and braking flows into the 48-volt storage unit or directly to the electrical consumers. When the driver presses the accelerator pedal again after a coasting phase or a stop, the water-cooled belt alternator starter restarts the combustion engine. The system does this as required by the driver's wishes and the situation, from very smoothly to very quickly. Start-stop operation begins at 13mph. When stopped, the engine restarts as soon as the car in front starts to move, even if the brake is depressed. We'll finish by covering the warranty. Most cars in this class get three years of cover, but whereas rival brands BMW and Mercedes don't limit your mileage in this period, Audi rather meanly restricts you to 60,000 miles. Optional extra-cost packages can extend the cover to either four or five years.

Summary

The Audi S4 Avant is a car that makes sense in such a wet country as ours, particularly in its latest TDI diesel form. With all wheel-drive traction and a whole raft of electronic safety measures, it's effortlessly secure, offering less of the heart in mouth moments that often accompany a combination of big power, damp roads and an enthusiastic approach. That's not to say this S4 is a fuddy duddy that's forgotten how to entertain. Learn to drive the car properly and you'll be able to use more of that power more of the time than you ever thought possible. It's so addictive that only the realisation of quite how much fuel you've burnt per session could possibly quell the temptation to repeat ad infinitum. All of this will appeal to many people out there. As will the switch made here to diesel power. As sensible yet quick and capable transport for five people, this S4 remains tough to beat.

  • Privacy glass
  • Rain and light sensors
  • Windscreen with acoustic glazing

  • Multi collision brake assist
  • Electronic Stabilisation Control (ESC) including ABS, ASR and EDL
  • S model enhanced braking system
  • Front brake calipers painted in black with S4 logo
  • Hill hold assist

  • Adaptive S sport suspension with damping control

  • Audi smartphone interface
  • Audi connect safety and service (e-call)
  • Audi phone box with wireless charging
  • Bluetooth interface
  • Voice control system

  • Park assist system
  • Audi drive select
  • Electromechanical power steering

  • Power operated tailgate
  • Automatic start-stop system with coasting functionality and efficiency programme

  • MMI Navigation plus with MMI touch includes 10.1" high resolution colour MMI display, 3D map
  • Audi virtual cockpit
  • S instrument dials
  • Head up Display

  • Automatic dimming rear view mirror
  • Electrically folding auto dimming/adjustable/heated door mirrors with memory function, LED side indicators and kerb view function for passenger side

  • 58 Litre fuel tank

  • DAB digital radio reception
  • 2 USB charging ports
  • Audi sound system with 10 loudspeakers

  • Illuminated door sill trims with S logo
  • S Line roof edge spoiler
  • Body colour side sill trim
  • Body colour door handles
  • Body colour front spoiler lip
  • S specific dual branch chrome tailpipes with twin oval pipes on left and right
  • S specific side air inlets in titan black with chrome inlays in unique S design
  • Panoramic glass sunroof
  • S line front and rear bumpers with side skirts
  • S Style rear spoiler

  • Audi matrix LED headlights with LED rear lights + dynamic front and rear indicators
  • High beam assistant
  • Audi beam uses LEDs to project the audi logo in front and Vorsprung in rear

  • Deluxe 3 zone electronic climate control

  • Door sill trims with aluminium inlay
  • 3 spoke high multi-function sports leather steering wheel grips in perforated leather with S badging including paddle shift
  • Gear lever with diamond S badge
  • Key with S4 logo
  • Fine nappa leather upholstery with S embossed logo + super sports seats
  • Black cloth headlining
  • Stainless steel pedals and foot rest
  • Electric load area cover
  • Contrast stitching on seats, steering wheel and gear lever gaiter
  • Black leather gear lever knob
  • Front centre armrest
  • Tool kit

  • Comfort and sound pack - A4
  • Driver assistance pack - A4/S4
  • Parking assistance advanced pack - A4 Vorsprung
  • Titanium black styling pack - A4 Avant
  • Multi coloured extended LED interior lighting pack - S4

  • 6 airbags - Driver, front passenger, curtain and side windows
  • Pop-up bonnet for pedestrian protection
  • Seatbelt monitoring
  • Pre sense city
  • 3 rear seatbelts
  • Warning triangle and first aid kit

  • Heated front and outer rear seats
  • Front and rear head restraints
  • ISOFIX child seat mounting and top tether
  • 40/20/40 split folding 3 rear seat bench in 3 parts with rear centre armrest
  • Pneumatically adjustable lumbar support with massage function
  • Electrically adjustable front seats with memory function for driver's side

  • Anti theft wheel bolts
  • Keyless Go
  • Anti theft alarm

  • Audi sports differential

  • 19" 5 V spoke star design alloy wheel in matt titanium look

  • Tyre repair kit

  • CO2 (g/km): 163
  • Standard Euro Emissions: EURO 6
  • HC: N
  • Particles: N
  • WLTP - CO2 (g/km) - Comb: 189
  • WLTP - CO2 (g/km) - Comb - Max: 191
  • WLTP - CO2 (g/km) - Comb - Min: 189

  • CC: 2967
  • Cylinder Layout: IN-LINE
  • Camshaft: DOHC
  • Fuel Delivery: COMMON RAIL
  • Catalytic Convertor: True
  • Engine Layout: NORTH SOUTH
  • Transmission: SEMI-AUTO
  • Gears: 8 SPEED

  • EC Directive 1999/100/EC Applies: False
  • EC Combined (mpg): 44.8
  • WLTP - MPG - Comb: 39.2
  • WLTP - MPG - Comb - Min: 39.2
  • WLTP - MPG - Comb - Max: 38.7
  • WLTP - FC (l/100km) - Comb: 7.2
  • WLTP - FC (l/100km) - Comb - Min: 7.2
  • WLTP - FC (l/100km) - Comb - Max: 7.3

  • Generation Mark: 5
  • Alternative Fuel Qualifying: False
  • Did at least one aspect of this vehicle's safety give cause for concern?: False
  • Coin Series: S4 Vorsprung
  • Coin Description: TDI Quattro
  • Special Edition: False
  • Special Order: False
  • Based On ID: N
  • Insurance Group 1 - 50 Effective January 07: 44E
  • NCAP Adult Occupant Protection %: N
  • NCAP Child Occupant Protection %: N
  • NCAP Pedestrian Protection %: N
  • NCAP Safety Assist %: N
  • NCAP Overall Rating - Effective February 09: N
  • Badge Power: 347
  • Badge Engine CC: 3.0
  • Vehicle Homologation Class: M1
  • AdBlue: True
  • Standard manufacturers warranty - Years: 3
  • Standard manufacturers warranty - Mileage: 60000
  • Manufacturers Paintwork Guarantee - Years: 3
  • Manufacturers Corrosion Perforation Guarantee - Years: 12

  • Engine Power - BHP: 347
  • Engine Power - PS: True
  • 0 to 60 mph (secs): False
  • 0 to 62 mph (secs): 4.9
  • Top Speed: 155
  • Engine Power - KW: 255
  • Engine Power - RPM: 3850
  • Engine Torque - LBS.FT: 516
  • Engine Torque - NM: 700
  • Engine Torque - RPM: 2500
  • Engine Torque - MKG: 71.4

  • Emissions Test Cycle: WLTP

  • Alloys?: True
  • Space Saver?: False
  • Tyre Size Front: 255/35 R19
  • Wheel Style: 5 V SPOKE STAR DESIGN
  • Tyre Size Rear: 255/35 R19
  • Tyre Size Spare: TYRE REPAIR KIT
  • Wheel Type: 19" ALLOY

  • Width (including mirrors): 2022
  • Height: N
  • Height (including roof rails): 1433
  • Length: 4770
  • Width: N
  • Wheelbase: 2825

  • Minimum Kerbweight: 1825
  • Gross Vehicle Weight: 2375
  • Fuel Tank Capacity (Litres): 58
  • Max. Towing Weight - Braked: 2100
  • Max. Towing Weight - Unbraked: 750
  • Max. Loading Weight: 550
  • Luggage Capacity (Seats Up): 420
  • No. of Seats: 5
  • Luggage Capacity (Seats Down): 1435
  • Turning Circle - Kerb to Kerb: 11.6

  • Piano black finish inlay: Included
  • Carbon atlas inlays: £300

  • Metallic paint: £675
  • Pearlescent paint: £675
  • Solid paint: Included
  • Audi exclusive paint: £2,400
  • Special solid paint: £675

  • Storage and luggage compartment pack - A4: £195

  • Metallic - Glacier white: £675
  • Metallic - Mythos black: £675
  • Metallic - Navarra blue: £675
  • Metallic - Tango red: £675

  • Pearl - Daytona grey: £675

  • Solid - Ibis white: £0

  • Audi Exclusive - Custom: £2,400
  • Special solid - Quantum grey: £675
  • Special solid - Turbo blue: £675

  • Towing folding equipment - Mechanically swivelling ball head with electric release: £995

  • Fine Nappa leather - Rotor grey with Anthracite stitching + super sports seats with S embossed logo: £0
  • Fine Nappa leather - Black with rock grey stitching + super sports seats with S embossed logo: £0
  • Fine Nappa leather - Magma Red with Granite grey stitching + super sports seats with S embossed logo: £0

Whilst every effort is made to verify and ensure the accuracy of the data, the information should only be used as a guide and no purchasing decision should be made without verification of the data from either the manufacturer or franchised dealer. Our offers may be on a different model year to that represented by this data and so specification may differ accordingly.

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