...upper/lower indicated P&G speeds as the Camry (55/25 km/h)...
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Bro in-law says he doesn't regret not getting the BMW. Reason: you can have fun doing what the Camry does best all the time. If you do what the BMW does best all the time, you'll lose your licence.
Did about a 1000 km trip with my sister in her Camry.
The tank there: about 6.1 L/100 km (37.9 mpg US), maybe 25% urban / 75% freeway, into a light (<15 km/h) headwind, with A/C. Driving conservatively.