Warm engine in my SDL shows 3 bar at highway speeds and 1.8 bar at 630 RPM idle. This using 15w-40 Rotella (dino) oil. Oil changed every 3000 miles. Engine uses maybe 1/3 quart between oil changes and has used this amount since new.

__________________
Paul 1987 300 SDL; 2000 ML; '69 MGB; '68 VW Fastback