 | Home > General & Technical (L663) > D250 v D300 |
 
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| 914PAW Member Since: 01 Feb 2021 Location: Wiltshire Posts: 14   
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Hi there, we are looking at replacing our 2019 RRS with a 110 Defender, and trying to navigate the options for new and used is a little bewildering! One question I haven’t been able to answer is the difference between the two 6 cylinder diesel engines. I think the 300 is similar to the engine we have in the RRS although I’ve been told by the dealer the current models are straight 6’s rather than a V6? We’ve driven the 300 albeit in a discovery and it was suitably brisk, but I can’t find a D250 to test drive near us. So I wondered if those that have driven both can share their thoughts on the differences?
Many thanks. |
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10th Aug 2023 7:04am |
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| XplusYplusZ Member Since: 16 Aug 2021 Location: UK Posts: 484 |
You probably already recognised this, but The D250 and D300 share the same engine. The engine is indeed a straight 6, not a terrible noise pumped into the cabin, but probably not as refined as a v6. (I assume the straight 6 was more adaptable).
I agree with Moo - the D300 is obviously a touch brisker on paper. The brakes are mandatorily the bigger variety in the D300. The D250 can have 18" wheels with smaller brakes, or 20" wheels with larger brakes, so that's something to look out for. For the D300 the 18"s aren't an option. The D250 is definitely swift enough for such a lump (7 seconds 0-60 is as quick many large saloons), with great torque. It probably doesn't handle corners quite as well as the RRS! If you care about economy, the D250 is probably slightly better. Some folks on here go for the D300 if they do a lot of towing, but almost an equal percentage agree the D250 will get the job done without much concern. Either way, you will probably notice a considerable drop in cabin quality - "utilitarian" is JLR speak for partial leather seats, and less leather. Look for the HSE / Windsor Leather if you're still after those creature comforts. But equally, you'll likely get a little more kudos at the petrol station. One further plus - the pivi-pro system is the same in the Defender and the new RRs, so the brains of the car are pretty much the same. |
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10th Aug 2023 9:59am |
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| senwar Member Since: 30 Apr 2023 Location: Sheffield Posts: 9
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I opted for a D250 90 over a D300 - basically the long and short of it was the extra power was the only difference for an extra £3k and didn't feel justified in that extra spend.
Saying that I have a D200 2.0 Velar so each engine is more powerful |
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10th Aug 2023 10:09am |
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| cozz Member Since: 15 May 2013 Location: nottingham Posts: 535 |
I went from a 90 HT (200bhp). to a 110 (300bhp). noticeable difference, effortless cruising and towing
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10th Aug 2023 9:49pm |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1359 
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I think most people would notice a 100 bhp uplift.
  Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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10th Aug 2023 10:06pm |
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| Arlo Member Since: 05 Jul 2020 Location: Sterksel Posts: 12 
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Hi,
Towing with the D300 is great. Also the benefits of bigger brakes can help to make your choice. |
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11th Aug 2023 5:20am |
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| Chicken Drumstick Member Since: 17 Aug 2020 Location: Near MK Posts: 716
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A Straight 6 should be more refined as it is naturally balanced. V6's are typically unbalanced and require balancing shafts or counter weights. |
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11th Aug 2023 9:21am |
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| XplusYplusZ Member Since: 16 Aug 2021 Location: UK Posts: 484 |
Good point - I was thinking more about engine note / burble.
Engineering wise, a straight 6 is nicely balanced, whereas the v6 inherently wants to shake itself apart. |
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11th Aug 2023 10:48am |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2749
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Towing our caravan with the D250 is also really good, despite being the basic specification the brakes are superb, the engine pulls like a train (l've never needed full power) And stability in my 90 is pretty much flawless. |
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11th Aug 2023 3:34pm |
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| Sion Member Since: 27 Jun 2016 Location: Mold Posts: 7 
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I test drove both the D250 and D300. The power difference is quite noticeable. The D250 is great and you don't need more really, but I couldn't resist the extra power of the D300 for that overtaking and towing capability.
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13th Aug 2023 12:31pm |
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| stevemfr Member Since: 18 Sep 2022 Location: Strasbpurg Posts: 137 
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Apparently, the only difference between the D200, 250 and 300 is software.
I have a D250. We'll see. 
Quite happy to have the smaller brakes, btw, as I'll be running 18s and off road tires. 
RRC 2Dr, RRC 4Dr, P38, and 2 L322s, 2 FL1s and a L663 on the way |
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14th Aug 2023 1:14pm |
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| Chicken Drumstick Member Since: 17 Aug 2020 Location: Near MK Posts: 716
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Wikipedia says 8.0sec 0-62mph for the D250 and 6.7sec for the D300, which is quite a difference. Although I guess one of the times might be a 0-60mph not 62mph, so the gap could be closer. But if they are the same stat, the D300 would seem to be quite a bit quicker. |
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14th Aug 2023 1:38pm |
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| Chicken Drumstick Member Since: 17 Aug 2020 Location: Near MK Posts: 716
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Would certainly be interesting to know if the D250 is only a remap away from a D300. Although I know sometimes things like turbos, injectors or other specs can be different sometimes. |
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14th Aug 2023 1:39pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2749
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Well, it's effectively 20% more power, similar increase to a stage 1 remap. |
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14th Aug 2023 8:48pm |
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