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There are certain types of streets our cars just really don't like. There's a 25 MPH street near me with a stop sign every quarter mile. When I had to drive down that street to pick up my daughter from school my MPG was abysmal. Dense urban areas like Kensington where you're on the brakes more than the accelerator and the pedestrians are moving faster than the cars it going to be hell on the MPG. Get it out on the open road and check the MPG there.
If I mainly do my usual 8km urban trips to work and back in my '10 XKR I tend to average about 15-16mpg. That doesn't usually include too much time queueing in traffic though. On a longer run I get low 20's.
Even my Aston gets low double figures so unless you spend a lot of time stationary that sounds a bit low!
Stop-go use is very uneconomical. Heavy car with automatic transmission, supercharger to turn, 8 big pistons to keep in motion. I can imagine that single-figure mileage is possible. I just don't use mine for such journeys, not regularly anyway, because it uses to much fuel for no fun Take it on a decent run and if you get about book fuel economy, everything is fine. If it is still guzzling fuel, check for binding brakes (unusually dusty wheels), old, dirty air filters, etc. before digging deeper, if necessary.
Two or three recent examples of the possible range:
Berlin city traffic, a lot of stop and go: close to 30l/100km. What a pain!
On the other hand, reasonably fast (but not aggressive) German Autobahn, averaging 130km/h, 11l/100km. Relaxed driving.
Country roads in Austria (East Tyrol), curves, curves, curves… - 10-12l/100km. What a pleasure!
XKR 4.2 Convertible, see signature.
hmmm…. this has a theme of 8mpg is bad… while enjoying the car the way she’s meant to be enjoyed.
Truly, if you are driving her in an economical manner, with the engine fully warmed and, not to mention - stop and go traffic, you are a little low.
You could establish a optimal baseline of your car by getting on the M, and at a reasonable speed for quite a distance, set the cruise control. but where’s the fun in that.
Two or three recent examples of the possible range:
Berlin city traffic, a lot of stop and go: close to 30l/100km. What a pain!
On the other hand, reasonably fast (but not aggressive) German Autobahn, averaging 130km/h, 11l/100km. Relaxed driving.
Country roads in Austria (East Tyrol), curves, curves, curves… - 10-12l/100km. What a pleasure!
XKR 4.2 Convertible, see signature.
I still haven’t added a Morgan to the stable. Tell me about her.
Oh, the Mog…
I had one of the last Plus8 with the 3.9l Rover engine, fast erect hood (important, as you can open and close it within less than 5 minutes and without a second person helping or ruining your finger nails), connaught green, and some minor yet important improvements. The car was pure fun, but you would drive it only under optimal or close to optimal weather conditions. It gave me a hell of stories to remember. I sold it when a housing project (restauration of a heritage-protected building) demanded more investment than I had anticipated at the time. Still miss it…
Something seriously wrong, check fuel trims
I'm getting around 18mpg and I'm driving my XKR-S for over a year and a half
18 is mixed driving in traffic - urban driving on a motorway photo attached for that
Take it on a decent run and if you get about book fuel economy, everything is fine. If it is still guzzling fuel, check for binding brakes (unusually dusty wheels), old, dirty air filters, etc. before digging deeper, if necessary.
