kipseverino
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What does SR5's meaning just curious?
What does SR5 mean just curious?
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Ben_Mueller
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Interesting question and it looks like the answer brings up the question as to why it is still used to designate a trim level of the current generation 4runner 
Answers.com - What does SR5 stand for
Answers.com - What does SR5 stand for
westwind77
New member
Interesting question and it looks like the answer brings up the question as to why it is still used to designate a trim level of the current generation 4runner
Answers.com - What does SR5 stand for
Well, we still have a 5 speed trasmission, automatic, not manual, but still a 5-speed'.
Will733
New member
True, it used to be a higher-end "fully loaded" model designation (PWR windows, doors, seats, AC, etc...), but now it means "bottom of the line" base-model since the LE and TE are now used to indicate models with more features.
I wonder which Toyota designer chose to stop putting 4x4 badges on the T4R but still really felt he needed to stick a giant SR5 badge on the side of my 4Runner? Needless to say... I peeled that eye-sore off.
I wonder which Toyota designer chose to stop putting 4x4 badges on the T4R but still really felt he needed to stick a giant SR5 badge on the side of my 4Runner? Needless to say... I peeled that eye-sore off.
Ben_Mueller
New member
Yes it is interesting that they stuck to using SR5 badge but no badge for the TE...
B'klyn_Mike
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sandcrawler
Senior Member
the best badge for a 4runner is trail damage. 
jreiter
New member
Sure, but usually in cars, and even then, usually in luxury or sports cars. Seven or eight speed auto trannies aren't quite as common in trucks. The problem there will be size, weight, and strength. Each gear you add takes up more space and adds more weight to the tranny. In a smaller, lighter car, you can use smaller, lighter gears to keep the tranny size and weight under control. In a heavy truck that could be used for towing you want heavy duty gears. Adding 2 or 3 more gears to the existing 5 speed tranny in the 4runner would add more size and weight to the transmission. It can be done, of course, but you have to take into account all the pros and cons.
Some comparisons of similar vehicles:
Jeep Grand Cherokee: 5-speed auto
Nissan Pathfinder: 5-speed auto
Honda Ridgeline: 5-speed auto
Land Rover LR4: 6-speed auto (V8)
Chevy Tahoe: 6-speed auto (V8)
Ford Explorer: 5-speed (V6) and 6-speed (V8)
So 7 and 8 speed auto trannies really aren't common in this class of vehicle. Also note that in all of those 6-speed models above, they are quite a bit heavier. This is partly due to the larger motors, but partly due to the tranny, as well.
I don't feel Toyota is behind the technology curve on this. It all comes down to what is honestly needed in a particular vehicle. Could Toyota put a 6-speed in there? Sure, but you'd have to give up some room somewhere. Maybe less ground clearance or a larger transmission hump in the floor. Would that be worth it? Each person would have a different perspective on that. On a Limited model where most people won't care about hardcore off-road performance, giving up some ground clearance or adding some weight might be fine. But in a Trail edition, I very much care about ground clearance and lower weight, so I'm happy having a 5-speed if it means I have better clearance and less weight.
Just some stuff to consider before asking for more gears that you really might not need.
westwind77
New member
My poor arm/hand would get tired using the 'sport mode' with 8 speeds! :lookout:
Or they would possibly do it like the Tacoma that has 6 gears spaced within the range of the 5AT box (i.e. not using the 6th gear for highway cruising). The way the 5AT is geared, it has a sufficient highway cruising gear, IMO. I'm getting over 22mpg in mine and with the mountains we have, I'd be running around in 5th gear all the time anyways because another OD would just mean I wouldn't have the torque to pull the mountains in top gear. I think if the 4Runner had a V8 available, they would put a 6AT in it because the better low end torque would allow it to utilize that extra OD gear more often.
Now, if you are talking a small car, like my wife's MINI or my old GTI, I won't accept 5 gears. But that is because those vehicles are light and aerodynamic enough that it doesn't take much power to push it down the road. You can put them in 6th gear and leave them there on the interstate. It won't be hunting gears like a pig rooting for a truffle.
Now, if you are talking a small car, like my wife's MINI or my old GTI, I won't accept 5 gears. But that is because those vehicles are light and aerodynamic enough that it doesn't take much power to push it down the road. You can put them in 6th gear and leave them there on the interstate. It won't be hunting gears like a pig rooting for a truffle.
jreiter
New member
Does the Tacoma 6-speed manual take the exact same space as the 5-speed automatic?
MeetJoeAsian
New member
SR5 = Sport Rally 5-speed
It is actually tighter on the higher gears, believe it or not. It isn't the exact same spacing as the 6MT has a much shorter 1st gear. I was trying to figure out why the 6MT was rated so badly mileage wise compared to the 5AT and when I ran through the ratios, it was pretty clear. That 1GR is spinning at a decent pace at 70mph.
Gear : 6-speed manual w/OD : 5-speed automatic w/OD
Transmission gear ratio (1st) : 4.17 : 3.52
Transmission gear ratio (2nd) : 2.19 : 2.04
Transmission gear ratio (3rd) : 1.49 : 1.40
Transmission gear ratio (4th) : 1.19 : 1.00
Transmission gear ratio (5th) : 1.00 : 0.72
Transmission gear ratio (6th) : .85
Both have a 3.72 rear end. Basically, 5th in the AT is taller than 6th in the MT. 4th in the AT equals 5th in the MT. I'm not quite sure why they have 4th gear so close to 5th in the 6MT, but it seems somewhat redundant.
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fxoffroad
New member
Also used as model designation for the Sequoia.