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  #1  
Old 24th June 2012, 11:23 PM
Bushido Bushido is offline
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Default Real differences between the a8 and s8?

Apologies for draining the fountain of knowledge here folks...
So, as my thinking progresses Im now looking for a simple mans guide to the real world differences between the 4.2 and the s8 please? If possible to include a simple visual / spec list differencs and also a driving / costs / servicing guide.

many thanks as always
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Old 25th June 2012, 07:14 AM
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Adrian E Adrian E is offline
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This is covered all over the shop, but basically the physical differences between an A8 4.2 in Sport spec and an S8 are pretty small - alloy mirror housings and different wheels. Main mechanical difference is a slightly higher power output from the S8 and much shorter gearing (so you're pulling more revs for a given road speed in the S8 than in an A8) - consequently an S8 gives worse fuel economy. Think 20mpg on a good day!
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Old 25th June 2012, 02:08 PM
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S8 has different wheels, S8 logos on the door sills, S8 logo on the instrument cluster, 750rpm more before redline, Different bonnet and front lower grills, Ally door mirror housings, 360BHP (vs 310) and much shorter gear ratios. It feels significantly quicker - but has an increased thirst as a result. S8's after about 2000 had Brembo brakes, but to be honest they're still a bit poor like the A8 ones so dont get excited.

The A8 sport and S8 both share the same Recaro sports seats front and rear, electrically adjustable and heated in front, driver with memory.

On the plus side, the S8 benefits from Sat Nav and xenons as standard kit, and are often well specced as they were often bought by top brass with money to burn.

Tax disc, insurance, servicing and running costs (fuel aside) are about the same for the 4.2 A8 and S8 in my experience.

If its a weekend car, you dont travel far, or fuel is no object - The S8 is the better beast and worth paying a bit of premium for.

If never reaching much above 20 MPG is going to sting, consider the 4.2 A8 as its longer gear ratios will see you 25MPG+, or LPG.
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The First 20 Audis:

2001 D2 4.2 QS Silver, 1997 D2 S8 Silver, 1999 D2 4.2 Silver, 2002 D2 S8 Dolphin Grey,
2003 C5 RS6 Blue, 1998 D2 S8 Black, 2000 D2 4.2 QS/S8 Ming Blue, 2003 D3 4.2 Ming Blue,
2005 B7 S4 Blue, 2006 D3 3.0 Tdi Black, 1999 D2 4.2 Silver, 2003 D3 4.2 LPG Crystal Blue,
2000 D2 S8 Silver, 2007 3.0 Tdi Q7 Black, 2009 B8 S4 Black, 1998 D2 S8 Agate Grey,
2006 D3 4.2 Tdi Blue, 2006 D3 S8, 2007 Q7 3.0 Tdi, 2006 C6 S6,

The Second 20 Audis:

2011 A7 Sline, 2001 A2 1.4 Tdi Black, 2002 A2 1.4 Tdi Silver, 2006 A8 4.2 Tdi Blue,
2007 4.2 Tdi Q7, 2006 S4 Cab Silver, 2010 RS6 Saloon Black , 2007 TT Roadster,
2010 A8 D4 4.2 Silver, 2006 C6 A6 2.7 Tdi Quattro, 2000 D2 4.2 QS/S8 Ming Blue (again), 2008 Q7 4.2 Black,
2009 C6 RS6 Saloon Daytona Grey, 2001 Fully Loaded A2 Tdi, 2006 Avant S6 Black, 2007 VW Caravelle Exec Black (almost an Audi)
2009 TT Roadster Daytona, 2015 Q7 4.2 tdi lava grey, 2002 GmbH D2 demonstrator, 2006 D3 A8 LWB 4.2 Tdi Black

Most Recent Audis:

2001 A2 1.4 Tdi Black, 2007 4.2 FSi Q7 ABT Blue, 2016 S5 Coupe Launch model, 2004 S4 B6 Cabriolet, 2016 Q7 Sline White, 2006 Q7 4.2 FSi Black, 2012 Q7 Sline+ 4.2Tdi White, 2008 Blue Audi S8

Everything Else

1989 Subaru Justy, 1986 Vauxhall Cartlton 2.0 GL, 1985 Vauxhall Carlton 2.2 CDi, 1987 Ford Sierra XR4x4, 1983 Vauxhall Senator, 1985 Vauxhall Senator 3.0i, 1997 Polo Saloon, 1997 Peugeot 306 1.9 TDi, Ford Sierra Sapphire 2000E, 1990 Subaru Justy, 2000 Subaru Impreza, 2000 Subaru Impreza RB5, 1993 Range Rover LSE, 2005 VW Bora, 2003 Skoda Superb, 2003 VW Passat V6 4 Motion, 1996 Peugeot 106, 2000 Range Rover 4.0, 2019 Tesla Model 3 Performance
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