Compare Mars 51g bars with 69g Duo packs, each available as a 24-pack case or through a separate smaller-quantity offer. Start with the individual format, then choose the order size.
The Duo case has 432g more total declared weight. Each 69g Duo contains two 34.5g pieces, so 24 Duo retail packs contain 48 inner pieces.
Mars 51g bars versus Mars Duo
The manufacturer specifies a 69g Mars Duo as two 34.5g pieces. The 51g bar is a separate single-bar format, so two standard bars would weigh 102g rather than 69g.
Choose the 51g bar or the 69g Duo first, then compare the order quantity and current price for that exact format.
Compare the two Mars cases
Both listed cases contain 24 retail packs. The 24 × 51g standard-bar case totals 1.224kg, while the 24 × 69g Duo case totals 1.656kg: a difference of 432g.
The Duo case contains 48 inner pieces within those 24 retail packs. Keep that distinction in mind when deciding how many unopened packs you need.
Choose a smaller Mars quantity
The Duo selector offers 1, 2, 3, 4, 6 or 12 complete 69g packs. The 51g bar selector offers 2, 3, 4, 6 or 12 bars; it does not currently offer a single bar.
Use the price for the quantity selected, then compare total weight if you want an equal-weight price comparison. Delivery choices and charges are confirmed for the order at checkout.
HRS Food lists 51g Mars bars and 69g Mars Duo packs in cases and selected smaller quantities. Open the exact format to check current price and availability.
Does a Mars Duo weigh 69g per piece?
No. The full Duo pack weighs 69g and contains two 34.5g pieces, according to the manufacturer.
How many Mars bars are in the cases here?
The standard case contains 24 × 51g bars. The Duo case contains 24 × 69g retail packs, each containing two pieces.
Can I buy one Mars Duo pack?
Yes, the Duo quantity selector includes a one-pack option. The separate 51g standard-bar selector starts at two bars.
Which Mars case has the greater total declared weight?
The Duo case totals 1,656g, compared with 1,224g for the standard-bar case. Both contain 24 retail packs, but the Duo packs are heavier.
