147 MPH. This is the number that Car and Driver got in a test of the 855T. They use electronic equipment for testing, so I would believe thier data over speedometer readings.

I know that they had an R once too, but I cannot find the Road Test. I think it was in the low 150's. Aerodynamics are going to hold these cars back, not a lack of power. I would like to see what an S60T5 could do ungoverned.

The limit I saw was 155 for the 95 850 Turbo and it was stated that that was drag limited. That would be consistent with the observed behaviour of 260 KPH and rising past red line by Sin - he probably had a really nice wax job to cut the coefficient of friction...

I don't know how accurate my speedo is, but I've red lined my 94' 855T in final gear before. When I do it, I hold it for a for a couple seconds. It's really hard to find stretches of highway without cops, traffic and good road surface. The engine actually revs past the red line if you keep your foot planted. In fact, my speedo has actually gone past 260km/h at about 6150rpm. If my speedo is correct (and I seriously doubt it was), it was at about 260km/h or about 161.6mph. And the speed was still climbing at a very very slow rate. I'm assuming the car will do something closer to 250km/h or about 155.4mph.

I have also taken a 2001 Mazda Protege LX Touring Edition with a 160km/h'ish electronic speed limiter to the limit so I know what hitting a speed limiter feels like. In this car, it doesn't feel so much as if the engine is misfiring. To me, it feels simply like the throttle has been cut from my control.

I think the common feeling of misfiring is the tranny and torque convertor causing slight jerking feelings when the limiter is hit and the throttle control is bypassed by the ecu.

From what I know, 1994 & 1995 model year 850 turbos do not have speed governors and run all the way to their theoretical rev-limit in 4th gear (auto-tranny). I have yet to prove this myself but I remember reading several auto mags at the time who did run 850 turbos and T5Rs all the way to 150 and even 152 MPH. I am unsure whether or not the '96 and '97 850 turbos had limiters put in because I know somewhere along the way they implemented them on the S70s (I think the limiters are set at around 130 MPH on these models).

I think the speed limiter is 143 or 149 mph thru 98 models

(U.S. market) for turbos. Low 120s after 98. I'm not

sure how it reacts (probably similar to hitting the

rev limiter). After-market ECUs typically remove the

top speed limiter.

At 143mph your engine would be spinning at about 5200 RPM

(based on the photo Dave has posted showing the speedo

pegged -- not from my experience).

Your tire rating should be on the side of the tire.