Date: Wed, 09 Aug 2000 22:22:27 +0200
From: Stefan Nilsson <>
Subject: Re: Poor gas mileage in 9-5

I have a -99 9-5 wagon, 2.0T man. with Saab's own factory chip trimming. The chip trim increases the torque from 240 to 300 Nm and power from 150 to 192hp, giving the car a good boost. Sofar I've driven 22000 km and is very satisfied, though the sun have some spots. According to spec's the average shall be around 9.8l/100km, a figure which seems to optimistic. With 'normal' driving, 10.5l/100km, (22 mpg) during summer With 'normal' driving, 10.2l/100km, (23 mpg) during winter!!!!! The computer shows (cruise control): 110 km/h (68 mph) 7.8/100km (30.1 mpg) 130 km/h (81 mph) 8.8/100km (26.7 mpg) Strangely enough there car needed more gas after the 10000 km service. At the same time I changed tires from winter to summer season, so I don't know what actually caused the increase. I expected that the winterseason should be worse, though? Is there anyone with similar experienciens/car? /Stefan Ma wrote: > > I have an -98 9-5 2,3 T Auto > > Total average since I bought it is 0,95 l/10km (that is about 25 mpg) > > Lowest so far is 0,67 l/10 km (35 mpg), using the cruise control, no > overtaking, following the speed limit (55 mp/h), 3 passangers with > luggage, rather hilly roads. > > Highest so far is 1,18 l/10 km (20 mpg), city driving, lots of traffic > lights, winter conditions with snowtyres. > > So I think that your average is excellent, keeping in mind that the > car weighs around 1600 kg (over 700 pounds). > > I have calculated the above with 1 gallon = 3,79 liters, dont know if > that is US or english gallons. My conversion program states > "conversion from english to metric" so it should be english, but I am > not sure. > > /Mats > > >On a UK gallon, I get an indicated 30 to 34 mpg from my '99 2.3T 9-5. I have > >seen 38mpg when cruising speed is held back to 65mph. This is a manual > >transmission of course. > > > >I test drove a 2.3T aero with a 4 spd auto box and the computer showed > >16-20mpg. I would blame the transmission. > > > >Clive

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